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28

                                                                                       SMG digital gateway

 

Instead  of  using  the  expression  "

<MAC>.cfg

",  the  server  may  send  the  configuration  file  name  in  the 

following format

: 11.22.33.44.55.66.cfg

, where 

11:22:33:44:55:66

 is the factory MAC address of the device. 

If no Options 66 and 67 are received from the DHCP server, their default values will be used. 

For 

Option 66

: "update.local". 

For 

Option 67

: "smg4.manifest;<MAC>.cfg"; 

   

           "smg2.manifest;<MAC>.cfg".

 

4.1.1.2

 

smg4.manifest (smg2.manifest) File Format 

smg4.manifest (smg2.manifest) is a text file containing information about the version and the path to the 

firmware  file  located on the  automatic update server, as well as the time to restart the device  after firmware 
update to a new version. 

General format of the file content:

 

<firmware version>;<path to firmware file>; <time (in hours)>

 

The 

<firmware version>

 and 

<path to firmware file>

 parameters are mandatory. The

 

<Time>

 parameter is 

optional. If it is not specified, the device will restart as soon as there are no conversation sessions.

 

Example of a file with time set:

 

3.1.1.1076;smg4/smg4_firmware_3.1.1.1076.bin;18-21 

 

Example of a file without time set:

 

3.1.1.1076;smg4/smg4_firmware_3.1.1.1076.bin

 

4.1.1.3

 

Algorithm of Automatic Configuration Loading and Checking for a New Configuration File 

This  procedure  is  used  for  automatic  download  of  a  new  device  configuration  file  from  the  server.  The 

configuration file contains the date and time of its creation: 

SMG-config: 
  Version: 13 
LastUpdate: 
 ID: 1 
Date: 2015-03-30 
Time: 05:59:28

 

While loading, SMG checks for a configuration file in the specified location on the FTP/TFTP/HTTP/HTTPS 

sever (and authorises on the server if necessary). If it finds the configuration file, the gateway downloads it and 
compares  the  creation  date  and  time  of  the  current  file  and  the  downloaded  one's.  If  the  downloaded  file  is 
created later, the device saves and applies the new configuration. Otherwise, the current configuration remains 
valid.  

Thus, to change the gateway configuration, operator simply needs to upload a new configuration file to 

the  server with  necessary adjustments  and  new  date  and  time  of  creation.  The  configuration  will  be  updated 
automatically after the time set in the 

Configuration update period

 parameter. 

Summary of Contents for SMG-2

Page 1: ...Digital gateway SMG 4 SMG 2 Operation manual version 2 4 15 06 2017 Firmware version 3 1 6 1189 ...

Page 2: ...nsmission using AVAYA Siemens Windows 1251 encodings Translit and Unicode UTF 8 name transmission methods QSIG Q 931 Display CorNet and AVAYA Display Version 2 3 15 08 2016 Time zones updated New features added STUN server parameters public IP settings Clear Channel CLEARMODE settings English language Version 2 2 05 04 2016 Support added for routing modes configuration during trunk registration fo...

Page 3: ...on results and program output data KEY Keyboard keys are written in upper case and enclosed in angle brackets Analogue phone unit SMG digital gateway Softswitch ECSS 10 software switch Digital subscriber PBX Network connection Optical transmission medium Notes and Warnings Notes contain important information tips or recommendations on device operation and setup Warnings inform users about hazardou...

Page 4: ...cal personnel in charge of gateway configuration and monitoring using the web configurator as well as of installation and maintenance Qualified technical personnel should be familiar with the operation basics of the ТСР IP UDP IP protocol stacks and Ethernet networks design concepts ...

Page 5: ...System Parameters 26 4 1 2 Monitoring 30 4 1 3 Synchronisation Sources 39 4 1 4 CDR 40 4 1 5 E1 Streams 45 4 1 6 Dial plan 52 4 1 7 Routing 58 4 1 8 Internal Resources 79 4 1 9 Network Services 92 4 1 10 User Configuration 95 4 1 11 Security 95 4 1 12 Network Utilities 99 4 1 13 RADIUS Configuration 100 4 1 14 Tracing 107 4 1 15 Working with Objects and the Objects menu 111 4 1 16 Saving Configura...

Page 6: ...Mode 159 4 3 18 SIP SIP T General Configuration Mode 159 4 3 19 SIP SIP T Interface Configuration Mode 160 4 3 20 SS 7 Category Modification Configuration Mode 166 4 3 21 SS 7 Timer Configuration Mode 166 4 3 22 Sync Configuration Mode 168 4 3 23 Syslog Configuration Mode 168 4 3 24 Trunk Group and Trunk Direction Configuration Mode 170 5 APPENDIX A CABLE CONTACT PIN ASSIGNMENT 173 6 APPENDIX B AL...

Page 7: ...o more efficient ones with alternative operation principles At present IP networks are considered to be the most efficient when they are weakly dependent from data type and transmission medium and at the same time are flexible and manageable Designed and manufactured by Eltex SMG digital gateway is intended for interfacing of traditional communication networks based on the link switching principle...

Page 8: ...31 QSIG and CORNET for subscriber name transmission SS 7 quasi associated mode operation DTMF transmission SIP INFO RFC2833 in band Echo cancellation G 168 recommendation Voice activity detector VAD Comfortable noise generator CNG Adaptive or fixed jitter buffer V 152 data transmission Fax transmission G 711 pass through T 38 UDP Real Time Fax NTP support DNS support SNMP support ToS for RTP and s...

Page 9: ...Header RFC 3892 SIP Referred By Mechanism RFC 4028 SIP Session Timer RFC 4566 Session Description Protocol SDP RFC 5806 SIP Diversion Header SIP Enable Disable 302 Responses Q1912 5 SIP I SIP SIP T SIP I interaction Delay offer SIP OPTIONS Keep Alive SIP Busy Out 1 2 Typical Applications This manual describes several methods of SMG connection 1 2 1 Interface for TDM and VoIP Network Signalling and...

Page 10: ...d uses interaction between МС240 digital PBX and ECSS 10 software switch as an example Fig 1 3 Interfacing of TDM and VoIP Network Signalling and Media Streams Fig 4 shows scheme of semi permanent connection over E1 channels through an Ethernet network Fig 1 4 Semi permanent connection over E1 channels trough an Ethernet network 1 3 Device Design and Operating Principle SMG has a submodule archite...

Page 11: ...intrasystem backbone to be encoded using one of the selected standards and further transferred as digital packets to the central processing unit In the IP TDM direction digital packets are transferred to the VoIP submodule to be decoded and further transferred to E1 streams via the intrasystem backbone External 2 Mbps E1 streams are transmitted to framers through matching transformers At that sync...

Page 12: ... Kbps CLEARMODE RFC 4040 Number of VoIP Channels Supported by a Submodule Depending on the Codec Type Codec packetisation time ms Number of channels SMG 2 SMG 4 with SM VP M300 submodule SMG 2 with SM VP M200 submodule G 711 A U 20 60 G 711 A U 10 G 729 A 20 80 G 729 A 10 G 723 1 6 3 Kbps 5 3 Kbps G 726 20 G 726 10 Т 38 128 112 72 62 58 98 88 54 104 74 48 41 39 65 59 36 Electrical Ethernet Interfa...

Page 13: ...ad acc to CCITT G 703 guidelines Input signal from the line from 0 to 6 dB in relation to the standard output impulse Elastic buffer 2 frame capacity Signalling protocol ISDN PRI Q 931 QSIG and CorNet to transmit user name SS 7 General Parameters Operating temperature range from 5 C to 40 C Relative humidity up to 80 Power voltage 12 V DC 2 А power adapter Power consumption not more than 10 W Dime...

Page 14: ...x124x32 mm plastic casing For external view of the device panels see Fig 6 7a and 7b Fig 1 7 SMG External View Top and Side Panels Fig 1 8 SMG 4 External View Rear Panel Fig 1 9 SMG 2 External View Rear Panel For ports LEDs and controls located on the device see Table 2 1 ...

Page 15: ...for SMG 4 4 x RJ 48 ports for Е1 streams for connector wiring see Appendix A E1 0 1 for SMG 2 2 x RJ 48 ports for Е1 streams 3 for connector wiring see Appendix A 1 6 LED Indication The current status of the device is shown by the Power LAN USB Alarm Status Sync and E1 indicators located on the top panel Indicator statuses are listed in Tables 3 1 and 3 2 Table 3 1 LED Indication of the Device Sta...

Page 16: ...hen the pattern appears press the F button and hold it for 40 45 seconds to change network parameters and restore the device configuration to factory defaults 4 Off Yellow Yellow When the pattern appears release the F button After a while the following message will be displayed in the console BOOTING IN SAFE MODE RESTORING DEFAULT PARAMETERS Reset to factory defaults is complete The device can als...

Page 17: ...up to a specified value a fault will be indicated Table 3 5 Alarm Indication Alarm LED Status Fault Level Fault Description Blinking red Critical failure Configuration error Connection with SIP module lost SS 7 line group fault when the Fault indication checkbox is checked in the Routing SS line groups menu E1 stream fault when the Alarm indication checkbox is checked in the Е1 streams Physical pa...

Page 18: ...y for drives with less than 5 GB storage 1 024 MB for drives with more than 5 GB storage 1 7 The F Function Button The F button allows device reboot restoration to factory configuration and recovery of forgotten password For instructions on reset of an operating device to factory defaults see Table 3 2 When the factory configuration is restored the device can be accessed by IP address 192 168 1 2 ...

Page 19: ...itional operations the current configuration will be restored on the device without password recovery The gateway will be restarted with the current configuration and the old password Welcome to SMG 4 smg login admin Password rootpasswd Welcome to SMG 4 Welcome It is Thu Aug 21 11 40 40 GMT 6 2014 SMG4 sh home admin restore Welcome It is Fri Jul 2 12 57 56 UTC 2010 SMG4 sh home admin restore New i...

Page 20: ...quipment The SMG trunk gateway can be used 24 7 provided the following requirements are met Ambient temperature from 0 to 40 C Relative humidity up to 80 at 25 C Atmosphere pressure from 6 0 х 104 to 10 7х104 Pa from 450 to 800 mm Hg The device should not be exposed to mechanical shock vibration smoke dust water and chemicals To avoid components overheating which may result in device malfunction d...

Page 21: ... at least 12 hours in normal conditions prior to turning it on 2 1 Startup Procedure 1 Connect stream E1 and Ethernet cables to corresponding gateway connectors 2 Connect the power adaptor to the device 3 Turn the device on and check the front panel LEDs to make sure the terminal is in normal operating conditions 2 2 Opening the Casing Prior to proceed disable SMG power supply and disconnect all c...

Page 22: ... battery life is expired replace the battery with a new one to ensure correct and continuous operation of the equipment The replacement procedure is as follows 1 Check if the device is energised 2 If the voltage is present disconnect the power supply 3 Open the device casing see section 2 2 Opening the Casing 4 Remove the exhausted battery from the reverse side of the plate Fig 17 and install a ne...

Page 23: ...assword for the web interface For information on password configuration for telnet and console access see section 4 3 2 Changing Device Access Password via CLI For information on password configuration for web interface access see section 4 1 21 It is recommended to write down and store the configured passwords in a safe place inaccessible for intruders In order to prevent the loss of device confi...

Page 24: ...b configurator or the COPY RUNNING_TO_STARTUP command in CLI 4 1 SMG Configuration via web Interface To configure the device establish a connection to the device in a web browser hypertext document viewer e g Firefox Google Chrome Enter the device IP address in the address bar of the web browser SMG factory default IP address 192 168 1 2 network mask 255 255 255 0 As soon as the IP address is ente...

Page 25: ...rmware status Control menu drop down menus in the control panel for the settings field and firmware status Alarms displays the current highest priority fault and serves as a link to work with the fault events log Authorisation a link to work with passwords which are used to access the device via web interface Control icons controls to work with objects in the settings field duplicate the Objects m...

Page 26: ...dication CPU load when checked the control system will be alerted about high CPU utilisation RAM usage when checked the control system will be alerted when running out of free RAM Local disk drive free space when checked the control system will be alerted when running out of free memory on an external drive Auto configuration Automatic Configuration Active auto update enables automatic updates of ...

Page 27: ...file name name of the manifest file on the automatic update server that contains a description of the firmware version a path to the firmware file and time of firmware update Software upgrade period min time interval in minutes between requests for a manifest file on the automatic update server 4 1 1 1 Format of Options 66 and 67 Option 66 is required to retrieve the IP address or domain name of t...

Page 28: ...th time set 3 1 1 1076 smg4 smg4_firmware_3 1 1 1076 bin 18 21 Example of a file without time set 3 1 1 1076 smg4 smg4_firmware_3 1 1 1076 bin 4 1 1 3 Algorithm of Automatic Configuration Loading and Checking for a New Configuration File This procedure is used for automatic download of a new device configuration file from the server The configuration file contains the date and time of its creation...

Page 29: ...rrent ones on the gateway the device checks for active conversation sessions If there are none the gateway downloads the firmware image specified in the smg4 manifest smg2 manifest file and updates the firmware After the firmware update the gateway checks for active voice sessions and restarts if finds none Otherwise a 30 seconds timer starts When the time runs out the gateway checks for active co...

Page 30: ...sation USR percentage of CPU time utilisation by user applications SYS percentage of CPU time utilisation by core processes NIC percentage of CPU time utilisation by applications with a modified priority IDLE percentage of unused CPU resources IO percentage of CPU time spent on I O operations IRQ percentage of CPU time spent on processing of hardware interruptions SIRQ percentage of CPU time spent...

Page 31: ... alarm indication D channel status status of D channel service management channel up D channel is in operation down D channel is not in operation no there is no management channel for the stream off signalling is disabled for the stream D channel state state of D channel service management channel up D channel is in operation down D channel is not in operation no there is no management channel for...

Page 32: ...onnected Е1 stream is transmitted directly in the same stream PRBS test enables pseudorandom sequence output to the output port of the unit transmitted into the connected Е1 stream at that the error detection mode will be enabled at the unit input port Е1 stream reception for this sequence in order to evaluate the signal transmission quality The number of errors and analysis time counter will be d...

Page 33: ...ORK SLIP SLIP indication for the stream WORK stream in operation TEST stream test indication PRBS test local or remote loop Channel State State channel status OFF channel is disabled in configuration Idle channel is in initial state Block port is blocked Incoming dialing incoming call dialling Outgoing dialing outgoing call dialling Incoming alerting incoming engagement callee is disengaged Outgoi...

Page 34: ...going call dial In Call Out Call incoming or outgoing engagement In Busy Out Busy sending the busy tone Talk channel is in call state Release channel release Wait Ack waiting for acknowledgement Wait CID waiting for CgPN Caller ID Wait Num waiting for call dial Hold subscriber is on hold State timer channel last known status duration Incoming SS7 category SS7 category of an incoming call before mo...

Page 35: ... 4 1 2 5 VoIP Submodule Monitoring This section contains information on installed SM VP submodules and their channel status No SM VP submodule serial number SMG allows installation of only one VoIP submodule Type installed submodule type State Not Present not installed No init not initialised no initialisation attempts Off disabled starting to load submodule Wait Ack waiting for acknowledgement fr...

Page 36: ...sation Idle channel is in initial state In Dial Out Dial incoming outgoing call dial In Call Out Call incoming or outgoing engagement In Busy Out Busy sending the busy tone Talk channel is in call state Release channel release Wait Ack waiting for acknowledgement Wait CID waiting for CgPN Caller ID Wait Num waiting for call dial Hold subscriber is on hold State timer channel last known status dura...

Page 37: ...sendonly channel operates in the simplex mode transmission only recvonly channel operates in the simplex mode receipt only inactive channel is not active receipt and transmission are inactive SSRC the SSRC Synchronisation Source field value for the RTP stream outgoing from the device IP port remote remote IP address and port of the RTP stream source IP port local local IP address and port of the R...

Page 38: ...ar delete the existing fault events table fault sequential number Time fault occurrence time HH MM SS Date fault occurrence date DD MM YY Type a fault type CONFIG a critical fault a configuration file fault SIPT MODULE a critical fault a failure of a program module responsible for VoIP operation LINKSET a critical fault an SS 7 line group is not in operation STREAM a critical fault an E1 stream is...

Page 39: ... does not switch to that signal Up to 4 synchronisation sources are supported from any of the 4 E1 streams To generate the list use the following buttons Add Source Remove To change the source priority use the Up Down buttons located next to each source The highest priority value is 0 the lowest priority value is 14 Signal loss timeout sec time interval when the system does not switch to a lower p...

Page 40: ...ters Enable CDR when checked the gateway will generate CDRs Saving period Days Hours Minutes time period for CDR generation and saving in the device RAM Add header when checked the following header will be written at the beginning of the CDR file SMG4 CDR File started at YYYYMMDDhhmmss where YYYYMMDDhhmmss is the records saving start time Signature specifies a distinctive feature to identify the d...

Page 41: ...ds the corresponding SNMP trap Other Settings Save unsuccessful calls when checked stores unsuccessful calls not resulted in conversation into CDR files Save empty files when checked saves CDR files containing no records Write redirecting number when checked an additional field Redirecting Number is added to CDR otherwise the additional Redirecting Number field will not be added when a call is red...

Page 42: ... if the corresponding setting is selected Connection establishment time in the YYYY MM DD hh mm ss format in case of unsuccessful calls this parameter is equal to the disconnection time Call duration seconds Cause of disconnection according to ITU T Q 850 Connection information Caller information IP address source type subscriber trunk name TG Caller number on input Caller number on output Caller ...

Page 43: ... call that was redirected 4 1 4 2 CDR File Example Example of a CDR file containing 2 records header and discriminant are enabled SMG4 CDR File started at 20111024093328 27 2011 10 24 09 33 37 2 16 user answer 192 168 16 200 sip user undef 520001 520001 192 168 16 200 sip user undef 520000 520000 2011 10 24 09 33 35 2011 10 24 09 33 39 27 2011 10 24 09 38 56 242 16 user answer 192 168 16 202 sip u...

Page 44: ...message received with redirection information the number from the Called Party Number field When message 302 the SIP protocol is received the number from the Contact field When the Save Call Category checkbox is checked two additional fields are added to this record 2013 10 08 15 10 14 2 16 user answer 0 0 0 0 trunk SS7 TrunkGroup00 650000 650000 1 3 0 0 0 0 trunk SS7 TrunkGroup00 80123456789 8012...

Page 45: ...f signalling and parameters for each E1 stream 4 1 5 1 Signalling Protocol Selection To select a signalling protocol for a stream use the Signalling Protocol drop down list The device supports the following signalling protocols Q 931 User Network SS7 ОКС 7 QSIG for subscriber name transmission CorNet for subscriber name transmission 4 1 5 2 Configuration of Physical Parameters Physical settings En...

Page 46: ...MI Slip indication when checked any slips identified in the reception path result is fault indication Slip detection timeout time interval for stream parameters polling on the card if a slip is detected in the stream the gateway will indicate an alarm during the timeout 4 1 5 3 Q 931 Signalling Protocol Configuration Physical Parameters Q 931 Tab ...

Page 47: ...eived from a linked channel the maximum number of digits is achieved according to the prefix the dialling timeout for the next digit Do not send RESTART for interface when checked the gateway does not send the RESTART message into the line when a stream is restored the channel level LAPD is established Do not send RESTART for channel when checked the gateway does not send the RESTART message into ...

Page 48: ... NA transmission via QSIG NA ECMA 164 protocol CORNET transmission via Siemens CorNet protocol CORNET HICOM 350 transmission via Siemens CorNet protocol with supplementary information for Hicom PBX AVAYA DISPLAY transmission in Q 931 Display element with Codeset 6 Name encoding method Transit transcoding is not performed name received in UTF 8 by default CP 1251 Windows 1251 encoding Siemens adapt...

Page 49: ...abled Check or uncheck the checkbox next to the corresponding channel The Trunk Group column shows the number of the group where the channels are configured it is used when a trunk group is set for certain stream channels instead of the entire stream 4 1 5 4 SS7 Signalling Protocol Configuration ...

Page 50: ...it D in the status field SF of the LSSU signal unit bits D F in the status field are reserved Channel Settings ISUP CIC channel identifier code voice link numbers CIC To adjust automatic numbering of voice links click the Set button This will open the following menu Starting number the number of the first voice link Numbering increment the channel numbering increment Each subsequent channel will b...

Page 51: ...nsit through semi permanent connection is displayed in Transit column7 The example of configuration of the connection is represented in appendix G The window where you can set the following parameters is opened after clicking the button 7 Only upon a lisence for transit ...

Page 52: ...el except the number of channel field which will not be available in this mode every channel number on the active side will be comply to channel number on remote side 4 1 6 Dial plan This section defines transition prefixes to trunk groups The device features up to 16 independent numbering schedules Every numbering schedule may have its own subscribers and prefixes To set the number of active sche...

Page 53: ...e search recognises the end dial marker Search masks by template searches a prefix by the number template To create a new prefix open the Objects menu and click Add Object or click the button located below the list and enter prefix parameters in the opened form Title name of the numbering schedule Dial plan the selected numbering schedule Access category the selected access category Check access c...

Page 54: ...or sending complete in PRI Priority sets the prefix priority within the range from 0 to 100 A prefix with a smaller value has a higher priority 0 is the highest priority 100 is the lowest For trunk direction Trunk direction a trunk direction a set of trunk groups united in one direction in which a call will be routed by this prefix Direction the trunk group access type local emergency zone private...

Page 55: ...used when trunk groups are directly connected without prefix mask analysis the Direct Prefix function in trunk group settings These timers work only when dialling in the overlap mode Short timer time interval in seconds when the digital gateway will wait for further dialling if a part of address information has already been received The default value 5 seconds Duration the timer for number diallin...

Page 56: ...racters between the digits of prefixes e g the range 1 5 ХХХ all 4 digit numbers which begin with 1 2 3 4 or 5 the enumeration 138 xx all 3 digit numbers which begin with 1 3 or 8 min max defines the number of repetitions for the character outside the parentheses e g 1x 3 5 means that there may be from 3 to 5 arbitrary digits х and it corresponds to the mask 1ххх 1хххх 1ххххх logical OR separates ...

Page 57: ...digits from 0 to 9 until is met In general this template is used to order VAS utilisation from the phone unit 4 112 dialling the specific 3 digit number 112 5 011 dialling the specific 3 digit number 011 6 0 1 4 a 2 digit number which begins with 0 and ends with 1 2 3 or 4 i e 01 02 03 or 04 7 6 2 9 ХХХ a 5 digit number which begins with 6 with the second digit of the number being any digit from 2...

Page 58: ...match to rule 5 that is 011 the S timer is activated 5 seconds to wait for the next digit If the next digit does not come in 5 seconds a timeout will be registered Since there is a match to a rule the call will be successfully directed according to this mask Receiving the third digit 1 There is no match to rule 6 anymore but the number matches rule 5 now This match is final since the mask has no m...

Page 59: ...inkset Direct routing prefix transition to the prefix without caller or callee number analysis It enables switching of all calls in a single trunk group to another group regardless of the dialled number without mask creation in prefixes When a number is dialled in the overlap mode direct dialling timers are used which are configured in the direct prefix Ingress calls Disable ingress calls when che...

Page 60: ...lysis of the callee s original number sent to the outgoing channel Redirecting Number intended for modifications based on analysis of the redirecting number sent to the outgoing channel Generic number intended for modifications based on analysis of the generic number sent to the outgoing channel To create edit or remove groups as well as other objects use the Objects Add Object Objects Edit Object...

Page 61: ...oup name of the trunk group the SS 7 line group operates with Access category the selected access category Dial plan defines the numbering schedule that will be used to route calls of this group required for coordination of numbering schedules Scheduled routing profile the selected scheduled routing profile ...

Page 62: ...re used in this SS 7 line group while signal channels of the primary and secondary SS 7 groups are used for signalling Primary SS7 Linkset the SS 7 line group selected by signal D channels that will be used to exchange the signalling messages related to this particular SS 7 line group Secondary SS7 Linkset the second SS7 line group selected by signal D channels that will be used to exchange the si...

Page 63: ...ed Interworking indicator defines whether the interaction indicator should be modified defines whether the interaction has been established with a non ISDN network Call type indicator determines whether the call type indicator should change its value to international or national Connect type indicators Satellite indicator identifies the presence of a satellite channel Override to no satellite chan...

Page 64: ... Code OPC 22 and ISUP Opposite Code DPC ISUP 23 in the SS 7 Line Groups menu Let us assume that stream 0 is connected to STP 1 while stream 1 to STP 2 Specify the following in the stream settings SS7 Signalling protocol configure CIC numbering correctly and select the required E1 stream time slot for signalling D channel select the pre created SS 7 line group in SS 7 Line Group settings and set MT...

Page 65: ... while stream 1 is connected to PBX STP 2 and is configured to use the second SS 7 line group stream 2 of SMG is connected to PBX SP and is configured to use the third SS 7 line group Specify the following in the stream settings SS7 Signalling protocol configure CIC numbering correctly and select the required E1 stream time slot for signalling D channel of streams 0 and 1 specify the first SS 7 li...

Page 66: ...ational calls using the SIP T protocol Common SIP settings Local SIP port the UDP port which is used to send and receive SIP messages Transport the selected transport protocol which is used to send and receive SIP messages TCP prefer the messages are received via UDP and TCP and sent via TCP If failed to establish a TCP connection the messages are sent via UDP UDP prefer the messages are received ...

Page 67: ... activity detector and generates comfort noise Annex B T 38 is a standard which describes sending facsimile messages in real time over IP networks Signals and data sent by a fax unit are copied to T 38 protocol packets The generated packets may include redundancy data from previous packets that allows reliable fax transmissions through unstable channels CLEARMODE a mode which does not use signals ...

Page 68: ...elected access category Dial plan defines the numbering schedule that will be used for dialling from this port required for coordination of numbering schedules Hostname IP address IP address or name of the host communicating via the gateway s SIP SIP T protocol Remote SIP port9 a UDP TCP port of the communicating gateway that is used to receive SIP SIP T signalling Local SIP port9 a local UDP TCP ...

Page 69: ...cation when checked SMG will indicate a fault when connection to the opposite device is lost For correct operation of this feature check the Opposite party availability control using OPTIONS messages checkbox in SIP settings Network interface for SIP the network interface selected to receive and transmit signalling SIP messages Network interface for RTP the network interface selected to receive an...

Page 70: ...hem The parameter defines the request transmission period and may take values in the range of 30 3 600 seconds Always transmit SDP in provisional responses allows early forwarding of voice frequency path For example when unchecked SMG sends reply 180 without SDP session description according to this reply the outgoing party plays the ringback tone when checked SMG sends reply 180 with SDP session ...

Page 71: ...nal responses The SIP protocol defines two types of responses to connection initiating requests INVITE provisional and final 2хх 3хх 4хх 5хх and 6хх class responses are final their transfer is reliable and confirmed by the ACK message 1хх class responses except for the 100 Trying response are provisional and do not have a confirmation rfc3261 These responses contain information on the current INVI...

Page 72: ...NVITE message Default CdPN the CdPN number for calls routing in case of the by CdPN by default mode Replace CgPN on egress call when checked the caller number CgPN is taken from the Username Number parameter otherwise the CgPN number received in the incoming call is used Registration period sec the time interval for registration renewal Registration requests interval ms the minimum interval betwee...

Page 73: ... address and UDP port Echo cancellation the echo cancellation mode voice default echo cancellers are enabled in the voice data transmission mode voice nlp off echo cancellers are enabled in the voice mode the non linear processor NLP is disabled When the levels of transmission and reception signals significantly differ a weak signal may be suppressed by the NLP This echo canceller mode is used to ...

Page 74: ...tion is terminated At that cause 3 no route to destination is set as a cause of the disconnection to the TDM and IP protocols The control period is calculated from the following expression RTCP timer RTCP control period seconds When unchecked the feature is disabled Clear Channel a channel that is established for transparent transfer of digital data when the channel is established the device does ...

Page 75: ...ximum size of the adaptive jitter buffer in milliseconds The range of permitted values is from minimum size to 200 ms Adaptation period ms the time of buffer adaptation to the lower limit without faults in packet sequence order Removal mode the mode of buffer adaptation Defines the method of packet deletion during buffer adaptation to the lower limit Soft the device uses an intelligent selection p...

Page 76: ...Data Transmission Enable VBD when checked creates a VBD channel according to V 152 recommendation for modem transmission When a CED signal is detected the device enters the Voice Band Data mode Unchecking the checkbox disables modem tone detection but does not affect modem ...

Page 77: ... with high speed fax units If fax units support data transfer at 14 400 bauds and the gateway is configured to 9 600 bauds the maximum rate of connection between the fax units and the gateway will be limited by 9 600 bauds And vice versa if fax units support data transfer at 9 600 bauds and the gateway is configured to 14 400 bauds this setting does not affect the interaction and the maximum rate ...

Page 78: ...arameters Remove Direction To access a trunk direction the device configuration should include prefixes which perform transition to this direction Name name of the trunk direction TrunkGroup select mode order of trunk group selection in the direction Sequential forward all trunk groups of the direction are selected in turns beginning from the first one in the list Sequential back all trunk groups ...

Page 79: ...col categories The generally accepted correspondence between SS7 categories and Caller ID categories is provided below SS7 category 10 Caller ID category 1 SS7 category 11 Caller ID category 4 SS7 category 12 Caller ID category 8 SS7 category 15 Caller ID category 6 SS7 category 224 Caller ID category 0 SS7 category 225 Caller ID category 2 SS7 category 226 Caller ID category 5 SS7 category 227 Ca...

Page 80: ... checkbox next to the corresponding category to enable access check the checkbox next to the corresponding category In total up to 64 access categories can be configured Access to the first 16 categories is provided by default in each of the access categories To configure and edit a selected category click the button 4 1 8 3 Modifier Tables This table contains all created modifiers and the objects...

Page 81: ...ompared to the subscriber number for mask syntax see section 4 1 6 1 Number type type of the subscriber number Subscriber subscriber number SN in Е 164 format National national number The format NDC SN where NDC a geographical area code International international number The format СС NDC SN where СC a country code Network specific specific network number Unknown unknown type of the number Any mod...

Page 82: ...ter application of the modification rules specified It is recommended to define a number to be modified instead of number 123456789 which is entered in the rule check example Modification rule for CdPN Original CdPN callee number modification rule For syntax see section 4 1 8 3 1 for examples see Appendix C This rule also applies to modification of the callee original number original Called party ...

Page 83: ...cation rule for caller screen indicators no change do not modify Number category modification rule for caller category no change do not modify Numbering plan type modification rule for numbering schedule types no change do not modify 4 1 8 3 1 Modification Rule Syntax Modification rule is a set of special characters which govern number modifications and special characters indicating that a digits ...

Page 84: ...col operation Timer names and default values are described in Q 931 ITU T recommendation 9 List of System Parameters Name Default Value seconds Range seconds T301 180 180 360 T302 15 10 25 T303 4 4 10 T304 20 20 30 T305 30 30 40 T306 30 30 40 T307 180 180 240 T308 4 4 10 T309 90 6 90 T310 10 10 20 T312 6 6 12 T313 4 4 10 T314 4 4 10 T316 120 120 240 T317 120 120 240 not less than T316 T320 30 30 6...

Page 85: ...in Q 703 ITU T recommendation 12 3 Timers Name Default Value seconds Range seconds T1 50 40 50 T2 50 5 150 T3 2 1 2 T4n 8 2 7 5 9 5 T4e 0 5 0 4 0 6 T6 6 3 6 T7n 2 0 5 2 Names of MTP3 level timers and their default settings are described in Q 704 ITU T recommendation 16 8 Timers and Timer Values Name Default Value seconds Range seconds T2 2 0 7 2 T4 1 2 0 5 1 2 T12 1 5 0 8 1 5 T13 1 5 0 8 1 5 T14 3...

Page 86: ... 4 1 8 6 Q 850 Cause and SIP Reply Code Correspondence Table This section establishes correspondence between clearback reasons described in Q 850 recommendations for the SS 7 and PRI protocols and 4xx 5xx 6xx class SIP replies The correspondence described in the Order No 10 as of January 27 2009 issued by the Ministry of Communications and Mass Media MinComSvyaz of the Russian Federation is used b...

Page 87: ...d routing that allows the use of different numbering schedules depending on the time and day of the week To create edit or remove rules use the following buttons Add Rule Edit Rule Parameters Remove Rule Routing Rule Start date the selected start date for a scheduled routing rule operation Active days duration of the scheduled routing rule operation Repeat monthly allows monthly repetition of the ...

Page 88: ...ame This may be useful e g when hosts are specified in the routing schedule or when a network name of the SIP server is used as its address TELNET is a protocol which is used to establish control over network Allows remote connection to the gateway from a computer for configuration and management In case of the TELNET protocol the data transfer process is not encrypted SSH is a protocol which is u...

Page 89: ...ress or the default value to set a default gateway Mask specifies a network mask for the defined IP network use mask 255 255 255 255 for IP address Gateway IP address or defines an IP address of the route gateway Interface the selected network transmission interface Metric route metrics 4 1 8 10 Network Settings This submenu can be used to specify a device name and to change the network gateway ad...

Page 90: ...LAN identifier 1 4 095 only for tagged type interfaces Enable DHCP specifies that an IP address is to dynamically obtained from the DHCP server IP address network address of the device Network mask subnet mask of the device Broadcast address for packets broadcasting Gateway do not obtain the IP address of the gateway dynamically from the DHCP server DNS address by DHCP obtain the IP address of the...

Page 91: ...nches the interface at device startup Ignore default gateway ignores the gateway setting in the Network Parameters section Enable encryption enables encryption Services a configuration menu for the services enabled for this interface Enable Web enables access via web interface Enable Telnet enables access via the Telnet protocol Enable SSH enables access via the SSH protocol Enable SNMP enables SN...

Page 92: ...MT offset will be determined automatically This mode also enables automatic switch to daylight saving time Synchronisation period min an interval between synchronisation requests Save saves changes Cancel discards changes To force time synchronisation with the server click the Restart NTP client button the NTP client will be restarted 4 1 9 1 SNMP Settings SMG firmware enables device status monito...

Page 93: ...s Reset discards the settings 4 1 9 2 SNMP Trap Configuration For detailed monitoring parameters and traps description see MIB files on the disk shipped with the gateway The SNMP agent sends an SNMPv2 trap message in case of the following events configuration error SIP module failure IP submodule failure linkset failure SS 7 signal channel failure synchronisation loss or synchronisation from a low...

Page 94: ...of the SNMP message TRAPv1 TRAPv2 INFORM Community the password contained in traps IP address IP address of the trap recipient Port UDP port of the trap recipient default port 162 4 1 9 3 FTP Server This section allows configuration of an integrated FTP server used for provisioning FTP access to the following directories cdr a directory with CDR files log a directory with tracing files and other d...

Page 95: ...irectory access configuration read write Access to mounts mnt directory access configuration read write Access to CDR CDR directory access configuration read write 4 1 11 Security 4 1 11 1 SSL TLS Configuration This section is used to obtain a self signed certificate in order to use an encrypted connection to the gateway via the HTTP protocol and to upload download configuration files via the FTPS...

Page 96: ...lowing actions may be identified as an unsuccessful access attempt Brute forcing authentication data reception of REGISTER requests from a known IP address but containing wrong authentication data Reception of requests REGISTER INIVITE SUBSCRIBE and others from an unknown IP address Reception of unknown requests via SIP port Fail2ban Parameters Enable launches Fail2ban utility Block time seconds t...

Page 97: ... PC List of banned addresses a list of addresses banned by fail2ban Download the entire list of banned IP addresses allows download of the entire list of banned addresses to PC To update the lists click the Refresh button next to the header 4 1 11 3 Firewall Profiles Firewall is a software tools package that allows control and filtration of transmitted network packets in accordance with defined ru...

Page 98: ... network The field is active when the any checkbox is unchecked The mask is mandatory for a network but optional for an IP address Destination ports a ТСР UDP port or port range defined with a hyphen of the packet recipient This parameter is used for TCP and UDP only thus select UDP TCP or TCP UDP in this field to make it active Protocol the protocol the rule will be used for UDP TCP ICMP or TCP U...

Page 99: ...b interface and the Telnet SSH protocols By default all addresses are allowed Access only for allowed IP addresses when checked the list of allowed IP addresses is used otherwise access is allowed from any address Apply applies changes Confirm commits changes To create or remove a list of allowed addresses use the following buttons Add Remove Upon configuration of a list of addresses click the App...

Page 100: ...s to the addresses specified in the host list Period minutes time interval between requests in minutes Attempts count the number of attempts to send a request to an address Status Start launches restarts periodic ping Stop forcedly stops periodic ping Information click this button to view the tmp log hosttest log log file which contains data on the last attempt of periodic ping request transmissio...

Page 101: ...cess the device via web interface Telnet or SSH When login password are entered an Access Request packet is sent to the RADIUS server In case of success authorisation the server replies with Access Accept and the user is allowed to access the device otherwise access is denied 4 1 13 2 Profile List Profile Parameters Enable RADIUS Authorization enables disables transmission of authentication author...

Page 102: ...al long distance etc USER NAME field the selected value of the User Name attribute in the corresponding Access Request authorisation packet RADIUS Authorization CgPN uses the calling party phone number as the value IP or E1 stream uses the calling party IP address or incoming connection stream number as the value Trunk name uses incoming connection trunk name as the value USER PASSWORD field speci...

Page 103: ...ng communications can be restricted no restrictions allows all calls local and zone networks only allows calls to special services local and zone network local network only allows calls to special services and local network emergency only allows calls to special services only deny all denies all calls This restriction governs call routing by a prefix controlling the corresponding call type local l...

Page 104: ...d on the eltex password without quotation marks NAS IP Address 4 SMG_IP Called Station Id 30 CdPN_IN Calling Station Id 31 CgPN_IN Acct Session Id 44 SESSION_ID NAS Port 5 NAS_PORT NAS Port Type 61 Virtual 5 Service Type 6 Call Check 10 Accounting Request Start Packet Acct Status Type 40 Start 1 User Name 1 USER_NAME Called Station Id 30 CdPN Calling Station Id 31 CgPN_IN Acct Delay Time 41 accord...

Page 105: ...onf id CALL_ID Vendor Specific 26 Cisco 9 h323 setup time 25 h323 setup time TIME_SETUP Vendor Specific 26 Cisco 9 h323 call origin 26 h323 call origin originate Vendor Specific 26 Cisco 9 h323 call type 27 h323 call type CALL_TYPE Vendor Specific 26 Cisco 9 h323 connect time 28 h323 connect time TIME_CONNECT Vendor Specific 26 Cisco 9 h323 disconnect time 29 h323 disconnect time TIME_DISCONNECT V...

Page 106: ...der 7 no response from the callee No Answer 8 outgoing trunk is unavailable Unavailable Trunk 9 RADIUS server authorisation denied Access Denied 10 no free channels for connection establishment Unavailable Voice Channel 11 RADIUS server is unavailable RADIUS Server Unavailable NAS_PORT xport type 24 xport slot 16 xport stream 8 xport cell ROUTE_RETRIES The current number of the attempt the count b...

Page 107: ... of the TCP dump utility TCP dump a utility to intercept and analyse network traffic Interface an interface for network traffic interception Capture length limit size limit for intercepted packets bytes Add filter packet filter for the tcpdump utility Structure of Filter Expressions Every expression defining a filter includes a single or multiple primitives which contain a single or multiple objec...

Page 108: ...and or and not To reduce the expressions which define filters lists of identical qualifiers may be omitted Filter Examples dst foo filters the packets which IPv4 v6 recipient address field contains address of the foo host src net 128 3 0 0 16 filters all Ipv4 v6 packets sent from the specified network ether broadcast ensures filtering of all Ethernet broadcasting frames The ether keyword may be om...

Page 109: ...load it to a local PC check the checkboxes located next to the required filenames and click the Download button To delete the specified files from the directory click Delete 4 1 14 2 PBX Tracing The PBX PSTN section registers operations and interaction in a log as well as message exchange via various protocols PBX PSTN parameters allow configuration of tracing levels for various events and protoco...

Page 110: ...e identified To determine the necessary debug levels please contact Eltex Service Centre syslog parameters specify IP address of the syslog server the UDP port used to receive the syslog server messages and debug levels according to events and protocols Possible levels are as follows 0 disabled 1 99 enabled 1 minimum debug level 99 maximum debug level Output the history of entered commands saves t...

Page 111: ...item To read write the main device configuration file select the Service Configuration Files Management menu item To configure the local date and time manually select the Service Date and Time Configuration menu item see section 4 1 17 To update the firmware via web interface select the Service Firmware Update menu item see section 4 1 18 To update add licences select the Service Licence Update me...

Page 112: ...f your device see section 4 1 22 Next select the Licence Update parameter from the Service menu Use the Select File button to specify the path to the licence file obtained from the manufacturer and update it by clicking Update Licence file update requires confirmation When the operation is complete the system prompts you to restart the device This can also be done manually in the Service Device Re...

Page 113: ...User The program allows neither modification of administrator permissions nor his removal from the user list that ensures access to the program for system administrators at any time username the username to log in the web interface enter password the password to access the web interface confirm password used to confirm the password to access the web interface To save the configuration use the Serv...

Page 114: ...k the Cancel button 4 2 Command Line List of Supported Commands and Keys SMG features several debug terminals with specific functions Terminal com port enables device configuration and firmware update via CLI command line interface Telnet port 23 terminal duplicate com port SSH port 22 terminal duplicate com port 4 2 1 System of Commands for SMG Gateway Operation in the Debug Mode To enter the deb...

Page 115: ...n synchronisation frequency setsync Forced synchronisation source change Parameter stream number checkmod Check the number modifier operation for a specific number Parameters modifier table the phone number to be checked cic linkset Show the status of channels in the line group linkset is the number of SS 7 line group checknum Check the number with the numbering schedule cfg_read Apply the current...

Page 116: ...twork operation tracing Not used mspc IP forwarding tracing Not used mspd Signal processor operation tracing 0 net Tracing of the 2nd layer data network operation Not used sync Tracing of synchronisation sources operation Not used erl1 Low level tracing of the system which transfers messages between the application and the SIP module Not used erl3 High level tracing of the system which transfers m...

Page 117: ...ter the device configuration mode CPU load statistic Show CPU load for the last minute date DAY MONTH YEAR HOURS MINS 1 31 1 12 2011 2037 00 23 00 59 Set the device local date and time exit Terminate this CLI session firmware update tftp FILE SERVERIP firmware file name IP address in the AAA BBB CCC DDD format Firmware update without automatic gateway restart FILE firmware file name SERVERIP IP ad...

Page 118: ...P address in the AAA BBB CCC DDD format Download a licence file from the specified address license reset YES_NO no yes Reset the license license update Update the licence management Enter the SS 7 stream management mode md5sum FILE file name Calculate MD5sum for file from the tmp log folder number check NUMPLAN NUMBER COMPLETE 0 15 String 31 characters max yes no Check routing capability for this ...

Page 119: ...ting SNAPLEN the number of bytes captured from each packet 0 the entire packet is captured tftp put LOCAL_FILE REMOTE_FILE SERVERIP string string IP address in the AAA BBB CCC DDD format Get a file via TFTP This command is used to download the tracings made by the tcpdump and pcmdump commands timezone set TIMEZONE GMT GMT 1 GMT 1 GMT 2 GMT 2 GMT 3 GMT 3 GMT 4GMT 4 GMT 5 GMT 5 GMT 6 GMT 6 GMT 7 GMT...

Page 120: ...3 3 3 Parameters of the MTP Traffic Statistics View Commands LINK Е1 stream number LINKSET SS 7 line group number TIME1 time span represented in statistics hours TIME2 time span represented in statistics minutes 4 3 3 4 View the MTP Traffic General Status Command syntax signalling link allstat LINK TIME1 TIME2 Example SMG4 STAT MTP signalling link allstat 8 12 0 Meaning The executed command shows ...

Page 121: ...umber of SU received in error 0 Meaning The executed command shows signalling link faults and performance counters for the 8th E1 stream in the 12 hours 00 minutes interval 4 3 3 7 View the Availability Time of MTP Signalling Link Q 752 ITU Т guidelines Table 2 Command syntax signalling link availablility LINK TIME1 TIME2 Example SMG4 STAT MTP signalling link availablility 8 12 0 Execution result ...

Page 122: ...1 TIME2 Example SMG4 STAT MTP signalling link availability 0 12 0 Execution result MTP SL utilization Link 08 Period 00 00 00 00 00 00 0 sec SIF and SIO octets transmitted 0 SIF and SIO octets received 0 MSUs discarded due congestion 0 Meaning The executed command shows availability metrics for the line group linkset and signalling routes for Linkset 0 in the 12 hours 00 minutes interval 4 3 3 10 ...

Page 123: ...ion result Packet statistic Period 12 00 17 13 22 32 4935 sec Packets received 0 Packets transmitted 0 Packets lost 0 Packets lost percentage 0 000000 Packets bad 0 Packets bad percentage 0 000000 Packets trip time average 0 ms Packets trip time min 0 ms Packets trip time max 0 ms Meaning The executed command shows QoS statistics for packet traffic in the 12 hours 00 minutes interval 4 3 4 Managem...

Page 124: ...st prbs_local_loop STREAM 0 3 Set a local loop and transmit a PRBS sequence to the specified E1 stream e1 test off STREAM 0 3 Disable a test loop on the specified E1 stream ss7link SS7_LINK 0 3 Proceed to management of parameters of the specified E1 stream quit Terminate this CLI session 4 3 4 1 SS 7 Stream Management Mode To enter this mode execute the ss7link Link command in the SS 7 stream conf...

Page 125: ...LIN Send the link inhibit message to a stream link send LUN Send the link uninhibit message to a stream link set congestion Set the overload status for a stream link set outage Set the CPU local failure status for a stream link start emergency Initiate emergency stream startup link start normal Initiate normal stream startup link stop Stop a stream quit Terminate this CLI session show info chan Sh...

Page 126: ...r profiles delete linkset OBJECT_INDEX existing number of the line group Delete an SS 7 line group delete trunk OBJECT_INDEX Existing trunk group number Delete a trunk group delete trunk direction OBJECT_INDEX Existing trunk direction number Delete a trunk direction delete sipt interface OBJECT_INDEX Existing SIP interface number Delete a SIP interface delete radius profile OBJECT_INDEX Existing R...

Page 127: ... 1 65535 Define a range of UDP ports used for voice traffic RTP and data transmission via the T 38 protocol ports show Show UDP ports configuration ports start START_PORT 1024 65535 Define the starting UDP port used for voice traffic RTP and data transmission via the T 38 protocol q931 timers Enter the Q 931 timer configuration mode quit Terminate this CLI session radius Enter the RADIUS configura...

Page 128: ...tion mode SMG4 CONFIG cdr Entering CDR info mode SMG4 CONFIG CDR Command Parameter Value Action Show the list of available commands archive all directory String 31 characters max String 31 characters max Archive CDR data category save yes no Save do not save subscriber category in CDR files config Return to the Configuration menu emptysave CDR_EMPTY yes no Save do not save empty CDR files enabled ...

Page 129: ...g MODTBL_INDEX 0 255 Set a modifier table for redirecting number for incoming communication period day CDR_DAY 0 30 Set a period for CDR generation and saving in the device RAM days period hour CDR_HOUR 0 23 Set a period for CDR generation and saving in the device RAM hours period min CDR_MIN 0 59 Set a period for CDR generation and saving in the device RAM minutes quit Terminate this CLI session ...

Page 130: ... config Return to the Configuration menu exit Return from this configuration submenu to an upper level quit Terminate this CLI session set access CAT_IDX ACCESS_IDX ACCESSIBLE 0 63 0 63 enable disable Define mutual access permissions for categories CAT_IDX index of the access category being configured ACCESS_IDX the category the access is configured to ACCESSIBLE category access status available n...

Page 131: ...the current E1 stream quit Terminate this CLI session remalarm ON_OFF on off Enable disable remote fault indication for this stream show Show this stream configuration signaling Signaling type Q931_USR Q931_NET SS7 SORM Set the signalling type for a stream Possible signalling types Q931_USR Q931_NET SS7 SORM slipIND ON_OFF on off Enable fault indication when slips are identified in the reception p...

Page 132: ... 0 31 Set access category for a stream categoryAON CAT_AON 0 15 Set a Caller ID category for the incoming call channel CHAN_NUM on_off 0 31 or all on off Enable disable the specified channel chanorder CHAN_ORDER up_ring down_ring up_start down_start Specify the channel engagement order up_ring sequential forward down_ring sequential back up_start from the first and forward down_start from the firs...

Page 133: ... profile SendCatAON ON_OFF on off Enable disable Caller ID category transmission as the first digit of a number in the SETUP message Proper operation requires support of this mode by the opposite party SendDialTone ON_OFF on off Send do not send the DialTone ready signal into the line during incoming overlap engagement SendEndOfDial ON_OFF on off Enable disable the End of dial message transmission...

Page 134: ...mote_channel TIMESLOT R_CHANNEL 0 31 0 31 Select a remote channel transit set remote_stream TIMESLOT R_STREAM 0 31 0 1 0 3 Select a remote stream transit set sip_interface TIMESLOT SIP_IFACE_IDX 0 31 0 63 Select SIP interface from which transit will be implemented transit set usage TIMESLOT YES_NO 0 31 yes no Enable transit on selected channel 4 3 9 Fail2ban Configuration Mode To enter this mode e...

Page 135: ...P IP address in the AAA BBB CCC DDD format Remove an IP address from the Fail2ban whitelist whitelist _ip show all Show the Fail2ban whitelist whitelist _ip show first COUNT 0 4095 Show the specified number of addresses at the beginning of the Fail2ban whitelist whitelist _ip show ip BLACKIP IP address in the AAA BBB CCC DDD format Find the specified address in the Fail2ban whitelist whitelist _ip...

Page 136: ...network prohibited host prohibited TOS network unreachable TOS host unreachable communication prohibited host precedence violation precedence cutoff source quench redirect network redirect host redirect TOS network redirect TOS host redirect echo request router advertisement router solicitation time exceeded ttl zero during transit ttl zero during reassembly parameter problem ip header bad require...

Page 137: ...el profile ID 1 65535 Remove a firewall profile del rule ID 1 65535 Remove a firewall rule exit Return from this configuration submenu to an upper level modify profile ID NAME 1 65535 Allowed characters letters numbers _ 63 characters max Firewall profile index Enter a new name for the device modify rule Type ID param action dport_end dport_start enable icmp type name prof_id proto r_ip r_mask s_i...

Page 138: ...nable EN on off Enable disable the FTP server set port PORT 1 65535 Specify a port for the FTP server set interface IFACE_NAME String 255 characters max Specify a network interface for the FTP server set timeout idle TIME 0 600 Set an idle timeout in seconds set timeout login TIME 0 600 Set an authorisation timeout in seconds set timeout session TIME 0 600 Set a session timeout in seconds show con...

Page 139: ... the frequency of channel integrity checks during outgoing calls performed through the SS 7 line group cdpn digit in IAM ON_OFF on off Send the first digit of the CdPN number in the IAM message in the overlap dialling mode chan_order CHAN_SELECT up_ring down_ring up_start down_start odd_up_ring odd_down_ring even_up_ring even_down_ring Define the channel engagement order for this SS 7 line group u...

Page 140: ...a reserved network federal a federal network national a local network numbering plan 0 15 Select a numbering schedule for a linkset OPC OPC_ID 0 16383 Set a code for the SS 7 line group s own signalling point primary linkset PRI_LINKSET 0 3 Select the primary SS 7 line group for the combined mode quit Terminate this CLI session redirection check ON_OFF on off Check for Redirecting and Original Cal...

Page 141: ...marks Add a modifier MODIFIER_MASK modifier mask CLD_RULE callee number modification rule CLG_RULE caller number modification rule change aoncat MODIFIER_INDEX AONCAT 0 512 0 9 any Edit the Caller ID category number for the modifier MODIFIER_INDEX modifier number AONCAT Caller ID category change called numbering plan type MODIFIER_INDEX CALLED_NP_TYPE 0 8191 nochange unknown isdn telephony nationa...

Page 142: ...e Edit the Caller ID category number of the calling party for the modifier change calling numbering plan type MODIFIER_INDEX CALLING_NP_TYPE 0 8191 nochange unknown isdn telephony national private Edit the modifier s numbering schedule type for the caller number MODIFIER_INDEX modifier number CALLING_NP_TYPE numbering schedule type change calling presentation MODIFIER_INDEX CALLING_PRESENT 0 8191 ...

Page 143: ...pecific network number unknown an unknown number type nochange keep the number type unchanged change general access cat MODIFIER_INDEX ACCESS 0 8191 0 31 nochange Edit the modifier s general access category change general numplan MODIFIER_INDEX NUMPLAN 0 8191 0 15 nochange Edit the modifier s general numbering schedule change mask MODIFIER_INDEX MODIFIER_MASK 0 8191 a modifier mask 255 characters ...

Page 144: ...bmenu to an upper level history Show the history of entered commands quit Terminate this CLI session remove MODIFIER_INDEX 0 8191 Remove the specified modifier show MODIFIER_INDEX 0 8191 Show modifier configuration 4 3 13 Network Parameter Configuration Mode To enter this mode execute the network command in the configuration mode SMG4 CONFIG network Entering Network mode SMG4 CONFIG NETWORK Comman...

Page 145: ...he PPTP server NETMASK network mask available ip add IPADDR IP address in the AAA BBB CCC DDD format Add an address to the list of allowed addresses available ip delete INDEX 0 255 Remove an address from the list of allowed addresses available ip show Show the list of allowed addresses config Return to the Configuration menu confirm Confirm modified network settings and VLAN settings without gatew...

Page 146: ...ce set interface h323 NET_IFACE_IDX ON_OFF 0 39 on off Enable H323 signalling exchange for the specified interface set interface ipaddr NET_IFACE_IDX IPADDR NETMASK 0 39 IP address in the AAA BBB CCC DDD format network mask in the AAA BBB CCC DDD format Define an IP address and a network mask for the specified interface set interface network label NET_IFACE_IDX LABEL 0 39 letters numbers _ 255 cha...

Page 147: ...edundant DNS server set settings gateway GATEWAY network gateway address in the AAA BBB CCC DDD format Specify IP address of the network gateway set settings hostname HOSTNAME Allowed characters letters numbers _ 63 characters max Specify a host name set settings ssh PORT 1 65535 Set a TCP port for device access via the SSH protocol the default value is 22 set settings telnet PORT 1 65535 Set a TC...

Page 148: ...synchronisation period Set an NTP server Enable disable NTP usage show config Show configuration set timezone GMT GMT 1 GMT 1 GMT 2 GMT 2 GMT 3 GMT 3 GMT 4 GMT 4 GMT 5 GMT 5 GMT 6 GMT 6 GMT 7 GMT 7 GMT 8 GMT 8 GMT 9 GMT 9 GMT 10 GMT 10 GMT 11 GMT 11 GMT 12 Specify a time zone with respect to UTC 4 3 13 2 SNMP Configuration Mode To enter this mode execute the snmp command in the configuration mode ...

Page 149: ...rule for SNMP trap transmission the SNMP message type quit Terminate this CLI session remove IDX 0 15 Remove a rule for SNMP trap transmission restart snmpd Yes no Restart the SNMP client ro RO String 63 characters max Set a password for parameters reading rw RW String 63 characters max Set a password for parameters reading and writing show Show SNMP configuration syscontact SYSCONTACT String 63 c...

Page 150: ...ed number 4 3 14 1 Prefix Configuration Mode To enter this mode execute the prefix PREFIX_INDEX command in the configuration mode where PREFIX_INDEX is a prefix number SMG4 CONFIG NUMPLAN prefix 0 Entering Prefix mode SMG4 CONFIG NUMPLAN PREFIX 0 Command Parameter Value Action Show the list of available commands access category CAT_IDX 0 31 Define an access category for the line group access check...

Page 151: ... to the trunk group local local emergency emergency call zone zone access vedomst to a private network toll to a long distance network international to an international network duration PFX_DURATION 0 255 Set the number dialling duration timer in seconds exit Return from this configuration submenu to an upper level getCID ON_OFF on off Enable disable Caller ID request for prefix routing history Sh...

Page 152: ... configuration mode SMG4 CONFIG PREFIX 0 mask edit Entering Prefix Mask mode SMG4 CONFIG PREFIX 0 MASK Command Parameter Value Action Show the list of available commands add PREFIX_MASK PFX_MASK_TYPE A prefix mask 255 characters max should be enclosed in parentheses and calling called called Add a new mask into the prefix A mask can be specified for a caller calling or a callee called the default ...

Page 153: ... remove PREFIX_MASK_INDEX 0 1024 Remove a mask show Show mask information 4 3 15 Q 931 Timer Configuration Mode To enter this mode execute the q931 timers command in the configuration mode SMG4 CONFIG q931 timers Entering q931 timers mode SMG4 CONFIG q931 T Command Parameter Value Action Show the list of available commands config Return to the Configuration menu exit Return from this configuration...

Page 154: ...aracters max 0 8 Set a password for the accounting server SECRET password SRV_IDX server number auth ipaddr IP_ADDR SRV_IDX IP address in the AAA BBB CCC DDD format 0 8 Set an IP address of the authorisation server IP_ADDR IP address SRV_IDX server number auth port PORT SRV_IDX 0 65535 0 8 Set a port for the authorisation server PORT port number SRV_IDX server number auth secret SECRET SRV_IDX Str...

Page 155: ...nswer ON OFF off on Enable disable acct message transmission for call orig answer acct CdPN CDPN_MODE CdPN IN CdPN OUT Set a callee number for Accounting Request packets CdPN IN use the callee number prior to modification the number received in the SETUP INVITE packet CdPN OUT use the callee number after modification acct CgPN CGPN_MODE CgPN IN CgPN OUT Set a caller number for Accounting Request p...

Page 156: ...ct update message transmission period acct unsuccessfull ON_OFF on off Enable disable transmission of information on unsuccessful calls to the RADIUS server auth check on seize ON_OFF on off Enable disable authorisation request transmission during incoming engagement auth check on stop dial ON_OFF on off Enable disable authorisation request transmission during the end of dial auth emergency on REJ...

Page 157: ...Restrict the outgoing communications in case of a server fault no response from the server none allow all calls zone allow calls to special services local and zone networks local allow calls to special services and local networks emergency allow calls to special services only restrict all deny all calls auth service type SERVICE_TYPE none Login Framed Callback_Login Callback_Framed Outbound Admini...

Page 158: ...able incoming calling MODTBL_INDEX 0 255 none Set a caller CgPN number modifier for the incoming connection in relation to Calling Station Id xpgk src number in fields of RADIUS Authorization and RADIUS Accounting messages modifiers table outgoing called MODTBL_INDEX 0 255 none Set a callee CdPN number modifier for the outgoing connection in relation to the xpgk src number out field of RADIUS Auth...

Page 159: ...rmat Gateway in the AAA BBB CCC DDD format Unsigned integer String 255 characters max disable enable Add a route DESTINATION destination IP address MASK network mask for the specified IP address GATEWAY gateway IP address METRIC metrics IFACE_NAME network interface ENABLE enable disable the network route route del IDX 0 4095 Remove a route IDX network route index show Show route configuration info...

Page 160: ...s are received via UDP and TCP Transmission via TCP If failed to establish a TCP connection the messages are sent via UDP UDP prefer the messages are received via UDP and TCP The packets smaller than 1 300 bytes are sent via TCP while the ones larger than 1 300 bytes via UDP UDP only use the UDP protocol only TCP only use the TCP protocol only 4 3 19 SIP SIP T Interface Configuration Mode To enter...

Page 161: ...sent as digits 10 and 11 DTMF mode DTMF_m inband RFC2833 SIP INFO The DTMF mode for this interface DTMF payload DTMF_p 96 127 Set a payload type for RFC2833 DTMF payload equal DTMF_PT_EQ off on Enable disable the Same RFC2833 PT option ecan CANCELLATION voice nlp off voice modem off Set the echo cancellation mode Voice echo cancellers are enabled this mode is set by default Nlp off voice echo canc...

Page 162: ...or voice frequency path forwarding upon receipt of the CALL PROCEEDING or PROGRESS messages from PRI that contain the progress indicator 8 in band signal jitter adaptation period JT_AP 1000 65535 Set the time of jitter buffer adaptation to the lower limit in milliseconds jitter adjust mode JT_AM non immediate immediately Set the jitter buffer adaptation mode non immediate gradual immediately insta...

Page 163: ...rd PASSWD String 15 characters max Set an authentication password options OPTIONS enable disable Enable the function that controls direction availability by sending OPTIONS messages when a direction is not available the redundant trunk group is used for the call This function also analyses the received OPTIONS message that allows avoiding the use of the 100rel replaces and timer features which are...

Page 164: ...yed name in Contact header route_mode ROUTE_MODE RURI TO defaultCdPN Set a routing mode by RURI by the TO field CdPN by default routing_profile prof 0 127 Select a scheduled routing profile RTCP control RTCP_c 2 255 Set the number of time periods RTCP period to wait for RTCP protocol packets from the opposite party RTCP period RTCP_p 5 255 Set the time period in seconds after which the device send...

Page 165: ...ferredTCF Set a rate management method local TCF the method requires the TCF tuning signal to be locally generated by the recipient gateway transferred TCF the method requires the TCF tuning signal to be sent from the sender device to the recipient one t38 redundancy T38_REDUNDANCY off 1 2 3 Enable redundant frames for error control off disable timer enable YES_NO no yes Enable disable RFC4028 SIP...

Page 166: ... PBX_CAT Caller ID category SS7_CAT SS 7 category show Show information on SS 7 data category 4 3 21 SS 7 Timer Configuration Mode To enter this mode execute the ss7timers SS7_TIMERS_INDEX command in the configuration mode where SS7_TIMERS_INDEX is a profile number SMG4 CONFIG ss7timers 0 Entering SS7Timers mode SMG4 CONFIG SS7 TIMERS 0 Command Parameter Value Action Show the list of available com...

Page 167: ...P T5 level timer x100 ms set isup T6 TIMER 100 600 Set a value of ISUP T6 level timer x100 ms set isup T7 TIMER 200 300 Set a value of ISUP T7 level timer x100 ms set isup T8 TIMER 150 600 Set a value of ISUP T1 level timer x100 ms set isup T9 TIMER 300 2400 Set a value of ISUP T9 level timer x100 ms set isup T12 TIMER 150 600 Set a value of ISUP T12 level timer x100 ms set isup T13 TIMER 3000 900...

Page 168: ...ration menu exit Return from this configuration submenu to an upper level history Show the history of entered commands new stream E1 0 3 Set a synchronisation source from an E1 stream E1 Е1 stream number quit Terminate this CLI session remove SOURCE 0 3 Remove a synchronisation source specify the source number but not the number of the E1 stream show Show information on synchronisation sources con...

Page 169: ...ta transfer config Return to the Configuration menu exit Return from this configuration submenu to an upper level history Show the history of entered commands hw E1 HW 0 15 0 99 Send E1 stream hardware data with the specified debug level 0 disable data transfer E1 Е1 stream number HW priority level ipaddr IPADDR IP address in the AAA BBB CCC DDD format Set an IP address of the PPTP server isup ISU...

Page 170: ...the name of the modified parameter full messages contain the name of the modified parameter as well as parameter values before and after modification 4 3 24 Trunk Group and Trunk Direction Configuration Mode To enter the trunk group configuration mode execute the trunk group TRUNK_INDEX command in the configuration mode where TRUNK_INDEX is a trunk group number SMG1016M CONFIG trunk group 0 Enteri...

Page 171: ...Show the history of entered commands modifiers table incoming called MODTBL_INDEX 0 255 none Set a trunk group modifier intended for modifications based on analysis of the callee number received from the incoming channel modifiers table incoming calling MODTBL_INDEX 0 255 none Set a trunk group modifier intended for modifications based on analysis of the caller number sent to the outgoing channel ...

Page 172: ... mode SMG4 CONFIG TRUNK_DIRECTION 0 Command Parameter Value Action Show the list of available commands config Return to the Configuration menu Exit Return from this configuration submenu to an upper level history Show the history of entered commands list add TD_TRUNK 0 63 Add the trunk group with the specified index into the direction list remove TD_TRUNK 0 63 Remove the trunk group with the speci...

Page 173: ...e below Contact Pin No Pin Assignment Contact Pin Numbering 1 RCV from network tip 2 RCV from network ring 3 RCV shield 4 ХМТ tip 5 XMT ring 6 ХМТ shield 7 Not used 8 Not used Assignment of the Console port RJ 45 connector pins is provided in the table below Contact Pin No Pin Assignment Contact Pin Numbering 1 Not used 2 Not used 3 TX 4 Not used 5 GND 6 RX 7 Not used 8 Not used ...

Page 174: ...der Create the smg4 subfolder in the folder and place there the smg4_kernel smg4_initrd files the computer that runs the TFTP server and the device should be located in the same network 6 Turn the device on and stop the startup sequence by entering the stop command in the terminal program window BootROM 1 08 Booting from SPI flash General initialization Version 1 0 0 High speed PHY Version 2 1 4 C...

Page 175: ...ive IF first bus PEX 0 0 0 Detected No Link PEX 0 1 1 Detected No Link ready FPU not initialized USB 0 Host Mode USB 1 Host Mode SF Detected MX25L12805D with page size 64 KiB total 16 MiB Factory settings MODEL SMG 4 S N VI3F000026 HW 1v1 WAN MAC A8 F9 4B 88 29 93 LAN MAC 02 00 04 88 29 93 Net egiga0 egiga1 PRIME Type stop to stop autoboot 0 SMG4 7 Enter set ipaddr device IP address ENTER Example ...

Page 176: ...0 Erasing at 0x9e0000 100 complete OK NAND write device 0 offset 0x0 size 0x312248 3220040 bytes written OK SMG4 12 Update the file system using the run flash_initrd command SMG4 run flash_initrd Using egiga1 device TFTP from server 192 168 2 5 our IP address is 192 168 2 2 Filename smg4 smg4_initrd Load address 0x2880000 Loading done Bytes transferred 12727152 c23370 hex NAND erase device 0 offse...

Page 177: ...w modifier table NEW MOD TABLE 01 successfully created Table 1 has been created SMG4 CONFIG modifiers table 1 Enter the configuration mode for table 1 Entering modifiers table mode SMG4 CONFIG MODTABLE 1 add 1x 4 6 34xxxx Add a modifier a number mask and a modification rule Modifier add Modifier Create mask 1x 4 6 cld rule 34xxxx clg rule NEW MODIFIER 07 successfully created Modifier Created with ...

Page 178: ...dification rule is as follows ххххххх Use the change command for category modification the add command in the command example below adds an incoming modifier number 8 thus the change category modification command should be used for modifier 8 Commands Used SMG4 config Enter the configuration mode Entering configuration mode SMG4 CONFIG new modifiers table Create a new modifier table NEW MOD TABLE ...

Page 179: ...calling screen no change calling catAON no change SMG4 CONFIG MODTABLE 2 exit Exit the modifier table configuration mode Back to configuration mode SMG4 CONFIG trunk group 0 Enter the trunk group configuration mode Entering trunk mode SMG4 CONFIG TRUNK 0 modifiers table incoming calling 2 Add the created modification table for modification of the CgPN number in incoming communications Trunk 0 Set ...

Page 180: ...tisation time for G 711 codec 30 ms DTMF signal transmission during the established session according to RFC2833 payload type for RFC2833 packets 101 Routing route to SS 7 by trunk group 0 route to SIP T by trunk group 1 transition to SS 7 is performed by 7 digit numbers beginning from 6 7 91 92 93 transition to SIP T is performed by 7 digit numbers beginning from 1 2 3 all SS 7 signalling message...

Page 181: ...NFIG E1 0 signaling SS7 Select an SS 7 signalling protocol for the stream E1 0 Set Signaling 3 E1 PHYS 00 line on code hdb3 eq off crc off sig SIG_SS7 3 alarm_ind off rem_alarm_ind off SMG4 CONFIG E1 0 ss7 Enter the SS 7 protocol configuration mode E1 0 Signaling is SS7 SMG4 CONFIG E1 0 SS7 DPC MTP3 32 Define a code for opposite МТР3 signalling point E1 SS7 0 Fill CIC start 0 step 1 SMG4 CONFIG E1...

Page 182: ...the communicating gateway that is used for SIP signalling SIPT Interface 0 Set port 5060 SMG4 CONFIG SIP SIPT SIPI INTERFACE 0 codec set 0 G 711 a Set a codec SIPT Interface 0 Set codec 0 SMG4 CONFIG SIP SIPT SIPI INTERFACE 0 codec pte 0 30 Set packetisation time of 30 ms for the G 711 codec SIPT Interface 0 Set pte 30 SMG4 CONFIG SIPT INTERFACE 0 max_active 25 Define the number of simultaneous se...

Page 183: ...schedule configuration mode NEW PREFIX 00 successfully created SMG4 CONFIG NUMPLAN create prefix 0 Create a prefix to transit in the SS 7 direction in numbering schedule 0 NEW PREFIX 00 successfully created SMG4 CONFIG NUMPLAN create prefix 0 Create a prefix to transit in the SIP T direction in numbering schedule 0 NEW PREFIX 01 successfully created SMG4 CONFIG NUMPLAN exit Exit the numbering sche...

Page 184: ...MG4 CONFIG numplan SMG4 CONFIG NUMPLAN prefix 0 Enter the prefix configuration mode for transition to trunk group 0 Entering Prefix mode SMG4 CONFIG NUMPLAN PREFIX 0 type trunk Set the prefix type transition to trunk group Prefix 0 Set type 1 SMG4 CONFIG NUMPLAN PREFIX 0 trunk 0 Assign transition to trunk group 0 by prefix Prefix 0 Set idx 0 SMG4 CONFIG NUMPLAN PREFIX 0 mask edit Enter the mode wh...

Page 185: ...o trunk group 1 by prefix Prefix 1 Set idx 1 SMG4 CONFIG NUMPLAN PREFIX 1 mask edit Enter the mode which allows configuration of dialling masks and analysis of caller numbers Entering Prefix Mask mode SMG4 CONFIG NUMPLAN PREFIX 1 MASK add 1 3 xxxxxx Add a dialling mask according to the objective PrefixMask add NEW PREFIX MASK 01 successfully created PrefixMask Created with index 01 PREFIX MASK 01 ...

Page 186: ...REFIX 1 exit Exit the prefix configuration mode Leaving Prefix mode SMG4 CONFIG NUMPLAN exit Exit the numbering schedule configuration mode SMG4 CONFIG exit Leaving configuration mode Saving Configuration and Device Restart the above session continued SMG4 save Save the configuration tar removing leading from member names Saved successful SMG4 reboot yes Restart the device ...

Page 187: ...odifications for incoming communication After that the call is routed by prefix into the outgoing channel or to a SIP subscriber If a direct prefix is configured in the incoming TG the call is routed to the outgoing TG configured in the prefix parameters without caller and callee number analysis The outgoing TG performs number modifications After that the call arrives to the outgoing interface cha...

Page 188: ...port 5060 is not recommended To change this modify the Port for SIP signalling reception parameter in the SIP interfaces settings in SIP general configuration and SIP interface settings This setting will not ensure complete protection as the signalling port may be discovered during port scanning If IP addresses of all devices communicating with SMG are known use the iptables utility to configure r...

Page 189: ... critical fault or a warning indicating an error during CDR data transfer to the FTP server the fault level is determined by the amount of CDR data awaiting transfer to the server TRANSIT critical alarm which occurs in case of error while semi permanent connection establishment for E1 channel transit Optional faults with configurable indication they include STREAM a critical fault an E1 stream is ...

Page 190: ...a stream check the SLIP Indication checkbox and configure the SLIP detection timer 2 Configuration of optional failure indication for an SS 7 line group the E1 Streams SS 7 Line Group menu see section 4 1 5 4 SS 7 Signalling Protocol Configuration To configure SS 7 signal link fault indication check the Fault Indication checkbox 3 To enable SNMP use the TCP IP Settings Network Interfaces menu sect...

Page 191: ...e the Network Services SNMP menu section 4 1 9 2 SNMP Traps Settings To perform the configuration specify an SNMP message type TRAPv1 TRAPv2 INFORM a password Community an IP address and an SNMP trap recipient port When the configuration is set up and applied restart the SNMP agent by clicking the Restart SNMPd button ...

Page 192: ...tion integrity and availability of remote side is controlled by following means OPTIONS requests transmission session timers updating via RFC4028 session activity control via RTCP control of presence of RTP packets from remote side Objective Configure connection between two geographically remote phones Initial conditions Two remote objects connected through an Ethernet network On the first object ...

Page 193: ...2 10 Click Apply in Channel configuration section On the SMG which establishes the connection 1 and 2 steps must be performed as for receiving SMG but check the box Active side before 2 9 step SMG will start to establish the connection immediately You can check the status of the connection in section Monitoring E1 channels monitoring The example of connection configuration via CLI On the first obj...

Page 194: ...ransit set sip_interface 1 11 Transit 01 remote stream 0 remote channel 1 role passive codec NONE SIP Inteface 11 SIP interface11 Set channel number on the remote side SMG4 CONFIG E1 0 SS7 transit set remote_channel 1 4 Transit 01 remote stream 0 remote channel 4 role passive codec NONE SIP Inteface 11 SIP interface11 Set stream number on remote side SMG4 CONFIG E1 0 SS7 transit set remote_stream ...

Page 195: ...iguration mode SMG4 CONFIG e1 1 Entering E1 stream mode Set SS7 SMG4 CONFIG E1 1 signaling ss7 E1 1 Set Signaling 3 Enable the stream SMG4 CONFIG E1 1 enabled E1 1 Set line on Enter to SS7 configuration mode SMG4 CONFIG E1 1 ss7 E1 1 Signaling is SS7 Enable transit mode SMG4 CONFIG E1 1 SS7 transit set usage 4 yes Transit 04 remote stream 0 remote channel 1 role passive codec NONE SIP Inteface 00 ...

Page 196: ...ital gateway SMG4 CONFIG E1 1 SS7 exit Leaving SS7 signaling mode Quit E1 stream configuration mode SMG4 CONFIG E1 1 exit Leaving E1 stream mode Quit configuration mode SMG4 CONFIG exit Leaving configuration mode ...

Page 197: ...274 47 88 7 383 274 47 87 7 383 272 83 31 E mail techsupp eltex nsk ru Visit Eltex official website to get relevant technical documentation and software for Eltex products benefit from our knowledge base or consult a Service Centre Specialist on our technical forum http eltex nsk ru http eltex nsk ru downloads http eltex nsk ru forum http eltex nsk ru eltex_kb http eltex nsk ru interaktivnyi zapro...

Page 198: ...ed for operation The manufacturer LLC Eltex guarantees that the trunk gateway meets the requirements of technical specifications TU6650 107 33433783 2014 provided its operation conditions correspond to the ones set forth in this Manual Warranty period 1 year The device does not contain precious materials Director A N Chernikov signature full name Quality Control Director S I Igonin signature full ...

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