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TD 92326GB

2009-03-10 / Ver. E

Installation and Operation Manual

VoIP Gateway

Summary of Contents for TD 92326GB

Page 1: ...TD 92326GB 2009 03 10 Ver E Installation and Operation Manual VoIP Gateway...

Page 2: ...ration Information 10 4 Software Upgrade Information 11 4 1 Upgrade to version 7 00 11 4 1 1 Download new Software 11 4 1 2 Update the Licence 12 4 2 Upgrade from version 1 01 or earlier to version 1...

Page 3: ...g Configuration of Point to Point Protocols 31 6 5 PPP State The Status of Point to Point Protocols 32 6 6 Routing View the IP Routing Table 32 7 Ethernet IP Interface Parameters 33 7 1 DHCP Select Mo...

Page 4: ...lter Call filter and or IP filter 66 11 4 Objects Registration of Subscribers etc to the PBX Application 69 11 4 1 Object Properties 71 11 4 2 View Configured Objects 73 11 4 3 Set up Trunk lines 74 1...

Page 5: ...06 15 Diagnostics 107 15 1 Logging Define and View Log Messages 107 15 2 Define the Syslog Parameters 107 15 2 1 Tracing Define and View Trace Information 108 15 2 2 Alarms 109 15 2 3 Events Show all...

Page 6: ...p Tweaks 136 19 1 4 Setting up a Gatekeeper on another VoIP Gateway 137 19 1 5 Voice Transmission 137 19 2 Registering the VoIP Gateway with another Gatekeeper 140 19 3 Routing via the ENUM protocol 1...

Page 7: ...ace 160 23 3 The HTTP Interface 160 24 Document History 161 Appendix A Safety Instructions for the VoIP Gateway 162 A 1 Power Supply 162 A 2 Installation and Connection 162 A 3 Cleaning 163 A 4 Malfun...

Page 8: ...o 2 E1 up to 60 channels with EDSS1 QSIG E1 CAS protocol or up to 2 T1 up to 46 channels with QSIG 5ESS or NI 2 protocol or up to 48 channels with T1 CAS protocol If the channels provided by one box i...

Page 9: ...her described nor supported by Ascom Chapter 17 Getting Started Installation Example on page 117 helps you to install the VoIP Gateway and perform basic configuration This manual is an integral part o...

Page 10: ...dancy 6 Tel link RJ45 connector To connect an S0 ISDN exchange line The LED is lit if the exchange line connected to Tel is active 7 Ethernet 0 link 100M RJ45 socket to connect to 100 Mbit s Ethernet...

Page 11: ...r and data to each device This allows greater flexibility in the locating of network devices and significantly decreases installation costs in many cases For more information refer to the standard IEE...

Page 12: ...that the TX RX leads always follow the clock source If we are receiving clock then the TX leads are pins 4 5 If we are providing clock the TX leads are 1 2 2 6 Management port The Ethernet 1 port can...

Page 13: ...for each PRI port on the VoIP Gateway Up to 2 PRI s can be configured for capacity and up to 4 PRI s when redundancy is required Gatekeeper enables acceptance of incoming registrations at the Gatekeep...

Page 14: ...e based on the assumption that the VoIP Gateway has the default configuration and is in the same condition as delivered The following steps are recommended if you are unsure about the VoIP Gateway con...

Page 15: ...ions on page 76 14 Set up the interface configured above to register to the PBX Application Register a name for example Unknown_numbers See the example in 17 4 2 Activate the PBX Application in the Vo...

Page 16: ...ithout these functions The user interface has been tested with Internet Explorer 6 x 3 1 Change and Save the Configuration The VoIP Gateway saves the configuration permanently in a non volatile memory...

Page 17: ...ashing The parameters are reset and the VoIP Gateway will then restart in tftp mode after further 4 6 seconds Then switch the device off and on again to return to DHCP client mode See 2 4 Switching th...

Page 18: ...he upgrade to version 7 00 Gatekeeper licence version 6 used by IGWP 1 3 1 or older is not compatible with software version 7 00 and therefore a new Gatekeeper licence is required before the update Th...

Page 19: ...C Address Customer name and Date The Licence page opens 6 Click Download License to open the File Download window 7 Click Save to download the txt file and save it where you later can find it 8 Add th...

Page 20: ...page 15 4 Delete the PBX Registration Ascom 1000 license See 5 3 3 Delete installed License s on page 15 5 Add appropriate licenses See 2 8 Licences on page 6 and 5 3 1 Add License on page 15 6 If you...

Page 21: ...els with 30 voice channels each PRI used for Synchronization The Sync is an indicator of a successful PRI connection Address of the SNTP server used if configured Local time of the VoIP Gateway accord...

Page 22: ...ateway using a text file 1 Enter the location of the licence text file in the File text field or select the location of the license files using the Browse button 2 Click the Upload button to load the...

Page 23: ...the variables set after last successful execution of the associated command These values are provided as standard parameters in the query part of the URL 1 Select General Update Figure 10 Automatic so...

Page 24: ...posed to be used you can set up another port for the local HTTP server and then access the VoIP Gateway via this port For web administration via the browser the link must be specified for example for...

Page 25: ...the client to prove to the server that it knows the correct password without having to send the password itself to the server The client does an irreversible computation using the password and a rando...

Page 26: ...Ls can be added Allowed stations If IP address and Subnet Mask is specified access only from matching network is allowed for example 172 16 0 0 255 255 0 0 Public compact flash access If parts of the...

Page 27: ...ies in a Web server The syslog entries are transferred to a web server where they can be further processed Each individual syslog entry is transmitted as form data to the web server in HTTP GET format...

Page 28: ...logd 2 Enter the IP address of your syslogd in the Address text field 3 Select the desired syslogd message class in the Class text field and click OK 4 Click on reset required link 5 Click OK Field na...

Page 29: ...value cdr cdrwrite asp in the URL Path field if for example you have a page on your web server with the name cdr cdrwrite asp with a form that expects the log message in the msg parameter The VoIP Ga...

Page 30: ...ystem used to control and monitor the activities of network hosts using SNMP An SNMP agent the software component within the managed device that maintains data for the device and reports data as neede...

Page 31: ...PS is not supported by Ascom The Trust list contains the certificates to be accepted for TLS secured connections e g HTTPS SIPS The Device certificate contains the certificate chains that have been re...

Page 32: ...ded text file You can upload that file to another box Rejected certificates This list contains the certificate chains that were rejected before while trying to establish a secure TLS connection This h...

Page 33: ...ER link respectively 3 Remove the current signing request and the corresponding private key as a Certificate of Completion for that key cannot be installed any more 5 12 3 Create a certificate signing...

Page 34: ...f you access the web interface of the device with https the common name should be IGWP XX XX XX 5 There are some other optional naming parameters e g Organisational Unit Country You can use them to de...

Page 35: ...works better for VoIP Note Remember that the same value should be set in the TOS field for all devices TOS priority Signalling Configuration of the TOS value for signalling e g H 323 or SIP packets N...

Page 36: ...Private Networks By indication of a private network the VoIP Gateway can steer the Media Relay function Both signalling and RTP stream for VoIP calls that are routed into non private networks by the V...

Page 37: ...NAT for H 323 VoIP calls Not required if the connection is operated with unofficial but known IP addresses Network Address Translation NAT only needs to be active on networks requiring official IP ad...

Page 38: ...configuration 2 Click on PPPx A new window opens with configuration options for the selected interface Figure 27 PPP configuration options 3 Enter Select settings not described in this manual The con...

Page 39: ...m 1 Select IP PPP State Figure 28 PPP status The PPP status window shows information such as interface IP address Type of interface status for the interface etc 6 6 Routing View the IP Routing Table 1...

Page 40: ...mode with the IP address 192 168 1 1 when delivered from the factory If you connect a PC to the ETH1 port set the IP address of the PC permanently to 192 168 1 2 Note DHCP Automatic mode should not b...

Page 41: ...outers Default Gateway The first entry in the list of registered routers will be used as the standard IP gateway 006 Domain name servers DNS server address The first two entries from the list of regis...

Page 42: ...te DNS server Default leave empty Only needed if the VoIP Gateway is to also serve as a WAN router Proxy ARP Default leave deactivated Only needed if the VoIP Gateway is to also serve as a WAN router...

Page 43: ...nly 1 Select ETHX VLAN Figure 33 VLAN ID and priority Network destination Network mask For network routes enter the Network address with the host part as 0 in the Network dest text field and enter the...

Page 44: ...n DHCP servers are for example Microsoft Windows DHCP service and Linux dhcpd Installation To make the specific DHCP options useable for the DHCP server the server has to be informed about them Refer...

Page 45: ...s 3 Click OK 7 6 DHCP Leases IP addresses can be reserved for MAC addresses 1 Select ETHX DHCP Leases Figure 35 DHCP leases Figure 34 Field name Description Lease time Set the lease time in minutes Ch...

Page 46: ...devices to perform an authentication handshake within the 802 3 link layer Ethernet The authentication is encapsulated within EAP over LAN EAPOL frames No other traffic except EAPOL is allowed prior t...

Page 47: ...ics Figure 38 Statistics for tx and rx packets Figure 37 Field name Description EAP MD5 User Enter the user identity to authenticate with Password Enter the shared secret for the MD5 challenge respons...

Page 48: ...ver cable defectively with the receipt of packets rx tooshort The number of too small packets during the transmission rx too long The number of too large packets during the transmission rx collision T...

Page 49: ...down 8 1 Server LDAP User Name and Password If a replicating VoIP Gateway is used a user name and password needs to be specified in the master VoIP Gateway to allow a user to access the LDAP server 1...

Page 50: ...ons tx error Number of transmit errors tx error 49 Number of transmit errors due to incorrect entrance data tx error 50 Number of transmit errors due to insufficient rights Field name Description Full...

Page 51: ...LDAP User name and Password in the User and Password text fields 8 Click OK Note In the case of Master to Standby Master Full Directory Replication do not register new Portable Devices when the LDAP...

Page 52: ...P Replicator Figure 42 Configure Active Directory Replication 2 Select Active Directory Replication in the Type drop down list 3 Select the Enable check box 4 Enter the IP address to the AD in the Ser...

Page 53: ...r 3 In the Editor go to the HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services NTDS Parameters LDAPServerIntegrity key 4 Click on the key with the right mouse button and click Modify 5 Change the ke...

Page 54: ...and the root subscriber number to root If the value_expression was skipped it defaults to n where n is the running index of the symbol_definition starting with 1 The second example from above can ther...

Page 55: ...al identifiers and literals alike e g sn givenName yielding for instance Doe Jon Out Map Example The following example focuses on the generation of the e164 node and loc attribute Only Sindelfingen Nu...

Page 56: ...Starting Up Down remote Indicates the condition of the remote replication notify Number of received notifications modify Number of modified objects paged ActiveDirectory only Number of objects receiv...

Page 57: ...ox or select some individual objects Click on the Delete menu within the toolbar A confirmation dialogue will be shown Confirm Objects that are shown in the right results pane can be edited An edit di...

Page 58: ...9 1 Physical Configuration of the Physical PRI Interface All changes in the settings except Swap tx rx Do not use for synchronization and Relay off requires a reboot of the VoIP Gateway the Reset is r...

Page 59: ...tart is used No CRC4 Switches off the generation of CRC4 checksums Activate power off loop relay Manually switches on the internal relay connecting PRI1 and PRI2 or PRI 3 and PRI4 Loopback Used for di...

Page 60: ...the T1 to 24 IP phone lines Channelbank mode may be used also with 30 channels on an E1 line The channelbank mode only applies to CAS applications In the channelbank mode each CAS channel is fixed ass...

Page 61: ...ible to some ISDN conformance test equipment even if it conforms to standard This option turns this off No overlap Receive Suppresses a SETUP_ACK on incoming single digit dialling on a point to multip...

Page 62: ...me Description Physical Statea a A problem with Physical State is usually a protocol mismatch Shows the current condition of the layer 1 Physical Layer UP or down Link Stateb b A problem with Link Sta...

Page 63: ...E Installation and Operation Manual VoIP Gateway 56 D Channel D Channel statistics Tx good Number of successfully sent packets Rx good Number of successfully received packets Rx errors Number of inco...

Page 64: ...tion NT Mode Network Termination switches on the NT mode for layers 1 2 and 3 see 22 3 The TE and NT modes on page 154 Swap tx rx Swaps the receive leads Enable if you use a modified crossed connectio...

Page 65: ...ability with Other Equipment These settings are used to work around non standard behaviour of other equipment and usually nothing should be configured here 1 Select TEL Interop Figure 53 Interoperabil...

Page 66: ...hannel terminate each call found and respond with an Acknowledgement message Passive Layer2 Normally the device tries to establish the link layer on point to point interfaces as soon as the physical l...

Page 67: ...d again 1 Click TEL Statistics to see the channel statistics Figure 55 Channel statistics CR Length Call reference length see22 4 The Signalling Protocols on page 155 CHI Type Channel ID coding see22...

Page 68: ...oIP Gateway 61 Slips Number of synchronization problems with two connected ISDN interfaces D Channel D Channel statistics Tx good Number of successfully sent packets Rx good Number of successfully rec...

Page 69: ...p of subscribers such as the VoWiFi IP DECT handsets Setup of the exchange line Setup of call groups Optional 11 1 General Activation of the PBX Application 1 Select PBX General Figure 56 Activation o...

Page 70: ...ich any action for incomplete dialled number is taken for example incomplete destination at trunk object No of Regs w o Pwd Defines how many times a VoIP client can register without entering a passwor...

Page 71: ...for the escape of a node This object must be assigned to this PBX Application Slave PBX shown in Slave mode Master the IP address of the PBX master Alternate Master the IP address of an alternative P...

Page 72: ...RL for picking the right codec 9 For repetition of the MOH add repeat true after the URL 11 2 Password PBX Application Administrator The PBX administrator password is absolutely necessary otherwise th...

Page 73: ...ithout a password 11 3 1 Create Filter Call filter and or IP filter Figure 58 Create Call IP filter 1 Select PBX Filter 2 Select Enter the following settings Figure 66 Field name Description Call filt...

Page 74: ...lter from Example 3 is used here The national filter is used after the exchange access code in the first entry The second entry has been made to also prevent international calls from being made via ca...

Page 75: ...f the PBX Application is so flexible that it allows several locations to be skipped In Example 5 the telephone systems can be accessed via a two digit dialling code beginning with an 8 The same filter...

Page 76: ...announcement Time interval for the announcements can be specified Call Broadcast Not supported With the Call Broadcast object it is to possible to distribute all calls arriving on this object to all m...

Page 77: ...ll be forwarded to the resulting destination number The LDAP query will be submitted with the dialled number reduced by the object s own extension resp own prefix E g if an LDAP Quickdial object has g...

Page 78: ...in idle mode for example J Smith for a subscriber Number This is the E 164 number the unique phone number in the traditional telephone network and the IP telephone network For example the number of th...

Page 79: ...centrally via the master PBX Application Send Number The calling party number for this call will be replaced by the number given if any Used to hide an extension Currently works for non gateway object...

Page 80: ...rdware ID Node is to which node the subscriber and call group belongs PBX matches the name entered under PBX General Filter is the Call filter defined for the subscriber or call group Groups is to whi...

Page 81: ...a normal subscriber The trunk access code is configured as a NUMBER Access to the trunk line can be disabled for external callers by a conditional call diversion External direct dialling can be handl...

Page 82: ...ich dialled an invalid number Typically the number of the switchboard is configured here so that incoming calls with an invalid extension are not lost Busy Destination Name or Number to which calls ar...

Page 83: ...ubscriber C For an external call diversion to the PSTN it is not permitted to use an external CGPN subscriber A however Therefore the CGPN must be replaced by an associated call number in this case th...

Page 84: ...umber the number of the gateway object is sent or no number if the Prefix checkmark is set This is useful with Microsoft Exchange since this expects the number of the mailbox as diverting number Prefi...

Page 85: ...T device is connected All DECT base stations will have the same system name IPEI Optional This field will be automatically populated when the device subscribes to the DECT system Alternatively you can...

Page 86: ...he subscriber for whom the diversion is configured are always diverted to a different subscriber CFB Call Forward on Busy Diversion if busy is used to divert calls for the subscriber for whom the dive...

Page 87: ...ion 1 Select PBX Object and click Show 2 Click the button on the line of the desired subscriber in the CF column An edit window appears Figure 62 Set up Call diversion 3 Select boolean function in the...

Page 88: ...st been set up in the CF column 3 Select the unconditional entry in the Type field 4 Enter the extension of the switchboard position in the Number entry Select the entry only from selected numbers in...

Page 89: ...y fifth second See also 12 6 5 Show Active Calls on page 100 11 7 SOAP Display Active Sessions Note Not supported by Ascom Figure 71 Field name Description Number The calling number Name The calling n...

Page 90: ...Ver E Installation and Operation Manual VoIP Gateway 83 SOAP Simple Object Access Protocol is a simple XML based protocol to let applications exchange information over HTTP Figure 64 Shows active SOA...

Page 91: ...GW Nr For support purposes This feature allows to temporarily reduce the logging output relating to Diagnostics Logging Relay Calls An interfaces name and or a number can be entered The call logging...

Page 92: ...r following settings 4 Click OK 12 2 2 Call Number Mapping Call number mapping is made for incoming calls for example adding leading zeros or 9 in US Refer to chapter 20 1 Dealing with the various ISD...

Page 93: ...ntation restricted match In this case the presentation restricted property is cleared if R is not used on Number Out Can be used at any place inside the number and means that any received digit matche...

Page 94: ...following settings Figure 77 Figure 78 Field name Description Name Enter a name for this registration Disable A switch to temporarily disable this interface without deleting the configuration ID Here...

Page 95: ...ramesizea Silence Compressionb to be used if a local media address is detected Enable T 38 Enables T 38 fax protocol see 21 13 Routes from and to Fax Machines on page 150 Enable SRTP Enables encrypted...

Page 96: ...vider Fixed AOR The From header contains the fixed registration URI AOR The actual calling party number and name will be transmitted inside the P Preferred Identity header AOR with CGPN as display The...

Page 97: ...veral hundred VoIP devices See 19 Considerations on the Configuration of the Gatekeeper Interfaces on page 132 1 Click Gateway GK Figure 70 VOIP interfaces 2 Click the interface name A new window open...

Page 98: ...address i e with a telephone number Refer to the documentation for the gatekeeper you want to register Media Properties The configuration of the media properties is evaluated for calls from to this in...

Page 99: ...ls with and without faststart are answered without faststart No H 245 Tunneling A TCP connection of its own is established for the voice data connection negotiation Only recommended if compatibility p...

Page 100: ...d at any place inside the number and means that any received digit matches Examples 12 12 34 12 56 R12 34 12 R34 An incoming cgpn of 1234 is changed to 34 An incoming cgpn of 1234 is changed to 3434 A...

Page 101: ...front of From b Add a new route by clicking on the leftmost in the route which you want to insert the new route after Note the order of the routes here The new route is always inserted after the curre...

Page 102: ...the signalling channel for example the URL for an announcement this URL e g http www can be entered here Leave all the remaining fields blank in the normal case Final Route Enable if the routing shall...

Page 103: ...ing number matches the called party number it is replaced by the diverting number and the diverting number is removed and the call is routed normally Force enblock Used to convert a call from overlap...

Page 104: ...to calls with the presentation restricted set Together with the Verify CGPN flag at the route this can be used to route calls with CLIR differently 7 The Screening Indicator the right most drop down l...

Page 105: ...department via HTTP Log files can be transmitted using the SYSLOG TCP and HTTP protocols Selecting off deactivates the transmission of Call Data Records Depending on the protocol chosen the associate...

Page 106: ...Figure 79 HTTP 3 Enter the IP address in the Address text field 4 Enter the port number in the Port text field 5 Select request format in the Method drop down list When External GET is selected the HT...

Page 107: ...g Alerting Connected Clearing Dialling is in progress The dialled distant terminal is being called The call is connected The call has been terminated by one of the two parties Numbers Caller Called Ca...

Page 108: ...asswords in the configuration file It is only used together with a non standard password Configuration files with the standard password still use the old method Therefore only v7 configuration files w...

Page 109: ...your VoIP Gateway 1 Select Download Firmware 2 Click on the download firmware link A file download window opens Figure 84 File download window 3 Click Save to save to your computer the firmware is sav...

Page 110: ...stallation and Operation Manual VoIP Gateway 103 2 Click on the download bootcode link A file download window opens Figure 85 File download window 3 Click Save to save to your computer the bootcode is...

Page 111: ...te If the Ready LED flashes when downloading this process may not be interrupted Otherwise the equipment may be damaged IMPORTANT If the loading process is nevertheless interrupted do not on any accou...

Page 112: ...If the Ready LED flashes when downloading this process may not be interrupted Otherwise your VoIP Gateway may be damaged If the loading process is nevertheless interrupted do not on any account switc...

Page 113: ...re version into the DRAM of the VoIP device The new firmware is started immediately after upload The firmware loaded to DRAM is active until the next reset powercycle or trap This function can be used...

Page 114: ...es appear here regardless of which Protocol is selected under Syslog mode 15 2 Define the Syslog Parameters The VoIP Gateway can record significant events occurring during operation in a system log On...

Page 115: ...ting the frame in the context menu To do this use the right mouse button to click in the browser window and select Update from the context menu 1 Select Diagnostics Tracing Figure 92 Define trace info...

Page 116: ...SIP over TCP signalling SIP TLS Signalling Information on the SIP over TLS signalling PBX Information on the PBX application Gateway Information on the Gateway interface NAT Information on NAT H 323 N...

Page 117: ...n chkdsk 0x00090003 The underlying driver returned no data This can be caused by an invalid cluster or if the card was removed while operations are performed on it Be sure to run chkdsk 0x00090004 The...

Page 118: ...el of the analog interface if present should improve the EQM 0x000d0003 Fax Loss of data More than 5 lost T 38 packets Indicates a network problem 0x000d0004 Fax Missing Page Confirmation Indicates on...

Page 119: ...the clipboard using the right mouse button via the context menu You can now paste the configuration into any text editor and save it there A configuration saved in this way can be reloaded either par...

Page 120: ...n displayed in the same window 15 2 7 Traceroute The Traceroute tool allows you to see how packets travel in the IP network It shows the path taken by packets between this device and any other given r...

Page 121: ...nt calls from being accidentally interrupted If you decline the restart you can enforce it later on by clicking on the Reset or Reset when idle button 16 1 Idle Reset Reset when idle is used for a res...

Page 122: ...rmware start the bootcode calculates a checksum on the firmware to detect if the firmware is ok If the firmware checksum is wrong the firmware cannot be started In this case the bootcode includes a sm...

Page 123: ...TD 92326GB 2009 03 10 Ver E Installation and Operation Manual VoIP Gateway 116 1 Select Reset Boot Figure 100 Boot mode 2 Click OK Figure 100...

Page 124: ...stallation The VoIP Gateway can be stacked It is also possible to install the devices in a 19 rack using the supplied mounting brackets In this case use the supplied screws to attach the mounting brac...

Page 125: ...ctions are based on the assumption that the VoIP Gateway has the default configuration and is in the same condition as delivered If you are unsure about the state of the configuration we recommend sav...

Page 126: ...ssword 17 3 2 Add Licence See 3 The Graphical User Interface GUI on page 9 1 Select General License 2 Click Browse and select the licence delivered by your supplier 3 Click Upload Figure 103 Add licen...

Page 127: ...2 168 1 1 and give a connected PC the IP address 192 168 1 2 if the connected PC is configured to get the IP address via DHCP Set IP Address We recommend you set a fixed IP address either by setting D...

Page 128: ...IP as follows In the command line enter C plus the following command nbtstat R nbtstat a IGWP XX XX XX l Where the Xs should be replaced with the last 6 hexadecimals in the VoIP Gateway s MAC address...

Page 129: ...must be set to slave default setting for NT mode is master Select PRI Protocol 1 Select PRI1 Protocol 2 Select 5ESS in the Protocol drop down list Figure 108 Select protocol 3 Click OK If 46 channels...

Page 130: ...dle External Extensions on page 76 for more information 1 Select PBX Objects 2 Select Gateway in the drop down list and click new Figure 111 Gateway object for external numbers 3 Enter a name in the L...

Page 131: ...Interface Note There is an issue when interface PRI licenses are assigned to physical interfaces Interface licenses are assigned to physical interfaces bottom up i e a VoIP Gateway with 2 PRI interfa...

Page 132: ...o chapter 20 1 Dealing with the various ISDN address types on page 142 17 4 5 Add Users 1 Select PBX Objects 2 Select User in the drop down list and click new Figure 114 Add user 3 Enter a name in the...

Page 133: ...all waiting feature while entering a 2 or leaving empty will enable call waiting Figure 115 Enter user settings 7 Click OK 17 4 6 Configure Routes Routes are automatically created but other settings m...

Page 134: ...as the master VoIP Gateway is available The PBX Application in the standby VoIP Gateway will start accepting the registrations within 2 minutes from the failure of the master VoIP Gateway The VoIP cli...

Page 135: ...ing test the redundancy 1 Remove the power from the Master VoIP Gateway 2 Check that the relay on the Master VoIP Gateway is activated 3 Connect a call to make sure that the Standby VoIP Gateway has t...

Page 136: ...teway object in VoIP Gateway 1 See 17 4 4 Configure the PRI ISDN Interface on page 124 and 11 4 4 Set up a Gateway Object to handle External Extensions on page 76 for more information The Gatekeeper A...

Page 137: ...l PBX Application solely by the entry in the PBX field If a subscriber is called from a location at which the subscriber is not configured the local PBX Application forwards the call to the master PBX...

Page 138: ...Application 3 Enter the IP address of the PBX to be used as master in the Slave PBX area 4 Enter the IP address of an alternative master PBX in the Slave PBX area if available 5 Enter the respective...

Page 139: ...without RAS Even the sophisticated routing functions of your VoIP Gateway can be fully used in this operating mode Using the RAS protocol though offers a number of advantages The gatekeeper is able t...

Page 140: ...ough the gatekeeper and ISDN gateway are shown separately The individual steps of a call which are relevant in this context are as follows In reality the procedures can be far more complex Both the Vo...

Page 141: ...re managed dynamically by means of Registration in the RAS Registration Admission and Status protocol First of all the registering device finds out which gatekeeper is responsible During this procedur...

Page 142: ...ts to find a suitable gatekeeper Normally such packets are only transmitted within one s own LAN segment and in particular are not routed into other networks That is why gatekeepers can only be found...

Page 143: ...d incoming calls with Faststart are answered with Faststart If the No Faststart option is activated outgoing calls are made without Faststart and incoming calls with or without Faststart are answered...

Page 144: ...s between two VoIP devices for example from IP to IP do not take this setting into account since the parameters are negotiated directly by the terminals and their configuration is thus relevant Voice...

Page 145: ...itional control information is transmitted in the network together with the compressed data with the ef fect that depending on the configuration the total bandwidth required may turn out to be con sid...

Page 146: ...G 723 53 instead of G 729 The following table shows the required bandwidths depending on the encoding and packet size Required bandwidths depending on the packet size Encoding scheme Effective bandwi...

Page 147: ...or the gatekeeper in it has to log on to another gatekeeper as in the scenario illustrated in figure 123 on page 135 this can be done using a gateway definition in Register as gateway mode In most ca...

Page 148: ...ISDN interfaces define the voice transmission parameters see section 19 1 5 Voice Transmission on page 137 19 3 Routing via the ENUM protocol Another option for routing calls is to use the ENUM proto...

Page 149: ...ffikon in Switzerland The call number type unknown therefore has to be standardized in order to evaluate call numbers within the VoIP Gateway This can be done with the help of entries in the CGPN cal...

Page 150: ...mappings is the manipulation of the root number on point to point connections for incoming calls Here the root is removed from the called number which is usually received as a number of type subscrib...

Page 151: ...irectional calls The figure 125 shows a scenario in which calls are switched via the Gatekeeper between a VoIP client connected to VoIP Gateway A and the ISDN network connected to VoIP Gateway B Figur...

Page 152: ...in the same way as the Maps are attached to the routes This not only allows the calling numbers to be modified in order for example to suppress the extension for outgoing calls but also the entire Ma...

Page 153: ...exchange access digit of 0 is placed in front of the calling number for all incoming calls via the exchange line a CGPN calling party number map must be created for the respective interface The basic...

Page 154: ...wish to allow for this route In this case it does not make any sense to make no entries 5 In the Number out field type the sequence of digits that is to replace the prefix entered above It usually doe...

Page 155: ...not only on the called number 21 9 Call Forwarding Several routes for calls from the same call source with the same dial prefix can be defined The gateway s routing process always uses the first suit...

Page 156: ...n order to use QSIG Interworking the protocol at the affected ISDN interface must be configured to QSIG ECMA 2 the checkmark Interworking QSIG must be enabled at the voice routes actually at the maps...

Page 157: ...y completed with a hash If such a Map entry takes effect the gateway collects the digits subsequently dialled until more than 4 seconds have elapsed since the last digit was dialled The call is then s...

Page 158: ...the VoIP Gateway is in automatic mode the DHCP client mode will be activated The VoIP Gateway will now be assigned an IP address by the DHCP server in the network You can display the allocated IP add...

Page 159: ...et the DHCP Mode to client see section Set IP Address on page 120 22 2 Setting the IP interface parameters without DHCP If your network does not have a DHCP server you need to set an static IP address...

Page 160: ...rt the computer Complete the definition of interface parameters using the web browser as follows 4 Start your web browser and connect it to the address http 192 168 1 1 5 Log on to the VoIP Gateway we...

Page 161: ...tion etc Since the PBX is receiving clock from the Central Office and we are attached to the PBX we should always receive clock from the PBX The Gateway provides us the ability to make changes to the...

Page 162: ...etary or National ISDN 1 NI 1 software The DMS switches used by Southwestern Bell currently support the NI 1 standard QSIG is a common channel signalling protocol based on ISDN Q 931 standards that is...

Page 163: ...oint mode and then also support incoming single digit dialling overlapped receive In this case an incoming SETUP message is answered as required in the standard with a SETUP_ACK message Some PBXs howe...

Page 164: ...k as an SNTP server Equally there are freely available SNTP software packages for Windows and Unix Linux platforms The VoIP Gateway also operates at the same time as an NTP server If you are operating...

Page 165: ...e Time Date Time Std Time zone for example EST for Eastern Standard Time Offset time difference between the timezone and the UTC Universal Time Coordinator Dst summertime zone for example EDT for East...

Page 166: ...this purpose The following code must be dialled in order to pick up calls The configured prefix for picking up calls e g The call number of the subscriber whose call is to be picked up or of a call gr...

Page 167: ...ine This happens particularly with least cost routing scenarios where the call only can be switched when some of the dialled digits have been analysed The TONE interface can process a number of calls...

Page 168: ...2006 11 08 Updated to support release 1 01 C 2007 01 05 Updated for release 1 2 x D 2007 10 23 Added 11 4 6 Message Waiting Activation Deactivation on page 79 18 2 1 Load Balancing on page 129 Append...

Page 169: ...equipment cannot be operated during a main system failure The equipment settings however are retained The mains socket must be near to the equipment and easy to access The only way of interrupting th...

Page 170: ...serviced as specified Should you nevertheless decide to open the device make sure that all connection cables are removed beforehand Before opening the device interrupt the power supply by removing the...

Page 171: ...ss code for the interface where the call arrives see 21 3 Manipulation of a Calling Number CLI on page 146 or activate the automatic CLI correction see 21 4 Automatic Correction of all Calling Numbers...

Page 172: ...be released can be restricted For this H 245 The VoIP Gateway loses its configuration after it has been disconnected from the power supply The configuration has not been saved in the nonvolatile memor...

Page 173: ...to performance limitations For example in a scenario where two locations with PBXs are linked no additional features can be transmitted The VoIP Gateway is located in front of the firewall which means...

Page 174: ...ed This can result in poor quality in spite of prioritisation In such a case check whether this interruption can be separately enabled Some routers refer to this function somewhat confusingly as inter...

Page 175: ...22 Number changed 0x1A 0x9A 26 Non selected user clearing 0x1B 0x9B 27 Destination out of order 0x1C 0x9C 28 Invalid number format 0x1D 0x9D 29 Facility rejected 0x1E 0x9E 30 Response to STATUS ENQUIR...

Page 176: ...85 No call suspended 0x56 0xD6 86 Call having the requested call identity has been cleared 0x58 0xD8 88 Incompatible destination 0x5B 0xDB 91 Invalid transit network selection 0x5F 0xDF 95 Invalid me...

Page 177: ...vices defined by the network address 195 226 104 128 and the subnet mask is 255 255 255 128 The addresses 195 226 104 129 to 195 226 104 254 are thus accessible The dial prefix for the route to this g...

Page 178: ...ll destination using the called number as described further above won t work The gateway specification GWxx is insufficient to identify the destination of a call if gateways have been registered in a...

Page 179: ...lters if applicable Example 2 Save the database E 2 Add Database Fields to a Mail Merge Document 3 Open Microsoft Word and create a command template as follows Tip Create and configure one user in the...

Page 180: ...x user filter User_filter cd filter Div_filter E 3 Complete the Mail Merge 8 Select Tools letters and mailings mail merge 9 Select Directory and click on the link Starting Document 10 Select Use curre...

Page 181: ...al cd filter Local mod cmd FLASHDIR0 add item 101 cn Joe Bob h323 Joe e164 1001 loc node root pbx user filter Normal cd filter Local mod cmd FLASHDIR0 add item 101 cn Hank Hill h323 Hank e164 1002 loc...

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