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Synway Information Engineering Co., Ltd

Working Period,

Period

The work period for the gateway, You can specify a certain period for the gateway to

make calls. By default, the gateway is allowed to make calls any time in the day (24

Hours).

Display CODEC

Supported CODECs and their corresponding priorities for the SIP trunk to establish

a call conversation. The table below explains the sub-items:

Sub-item Description

Priority

Priority for choosing the CODEC in an SIP conversation. The

smaller the value is, the higher the priority will be.

CODEC

Seven optional CODECs are supported:

G711A

G711U

G729

G722

G723

AMR

and

iLBC

See

3.3.6 Media Settings

for the detailed parameters for each CODEC.

The default CODEC for the SIP trunk is the same as that set in

3.3.6 Media

Settings

After configuration, click

Save

to save the settings into the gateway or click

Close

to cancel the

settings. See Figure 3-12 for the SIP Trunk Settings Interface

Figure 3-12 SIP Trunk Settings Interface

Click

Modify

in Figure 3-12 to modify a SIP trunk. See Figure 3-13 for the SIP trunk modification

interface. The configuration items on this interface are the same as those on the

Add New SIP

Trunk

interface.

SMG SBO Series Gateway User Manual (Version 1.6.3)

Page 20

Содержание SBO500 SBO Series

Страница 1: ...Synway SBO Series Gateway SBO500 Gateway Version 1 6 3 Synway Information Engineering Co Ltd www synway net ...

Страница 2: ...ttings 14 3 3 1 SIP Settings 15 3 3 2 SIP Trunk 18 3 3 3 SIP Register 21 3 3 4 SIP Account 24 3 3 5 SIP Trunk Group 26 3 3 6 Media Settings 29 3 4 Route Settings 31 3 4 1 Routing Parameters 31 3 4 2 IP to IP 32 3 5 Number Filter 34 3 5 1 Whitelist 35 3 5 2 Blacklist 37 3 5 3 Number Pool 38 3 5 4 Filtering Rule 39 3 6 Number Manipulation 42 3 6 1 IP to IP CallerID 42 3 6 2 IP to IP CalleeID 44 3 7 ...

Страница 3: ...dification Record 58 3 7 12 Backup Upload 59 3 7 13 Factory Reset 59 3 7 14 Upgrade 59 3 7 15 Change Password 60 3 7 16 Device Lock 60 3 7 17 Restart 61 Chapter 4 Typical Applications 62 Appendix A Technical Specifications 65 Appendix B Troubleshooting 66 Appendix C Technical sales Support 67 SMG SBO Series Gateway User Manual Version 1 6 3 Page ii ...

Страница 4: ...way reserves all rights to modify this document without prior notice Please contact Synway for the latest version of this document before placing an order Synway has made every effort to ensure the accuracy of this document but does not guarantee the absence of errors Moreover Synway assumes no responsibility in obtaining permission and authorization of any third party patent copyright or product ...

Страница 5: ...mments Version 1 0 0 2015 05 Initial publication Version 1 6 2 2015 09 New revision Version 1 6 3 2016 01 New revision Note Please visit our website http www synway net to obtain the latest version of this document SMG SBO Series Gateway User Manual Version 1 6 3 Page iv ...

Страница 6: ...nly used for connecting IP or enterprise PBX with the IP telephony network or IP PBX It provides such functions as transcoding routing number filtration number manipulation and so on Currently only SBO500 is available for you 1 1 Typical Application Figure 1 1 Typical Application IP Phone IP Phone Router LAN Internet IP PBX IMS Server SBO Gateway SMG SBO Series Gateway User Manual Version 1 6 3 Pa...

Страница 7: ...atic IP IP address modification support DNS Domain Name Service support Security Description Admin Authentication Support admin authentication to guarantee the resource and data security Maintain Upgrade Description WEB Configuration Support of configurations through the WEB user interface Language Chinese English Software Upgrade Support of user interface gateway service kernel and firmware upgra...

Страница 8: ...bove Interface Description Amount 2 Type RJ 45 Bandwidth 10 100 1000Mbps Self Adaptive Bandwidth Supported NET Auto MDI MDIX Supported Amount 1 Type RS 232 Baud Rate 115200 bps Connector RJ45 See Figure 1 5 for signal definition Data Bits 8 bits Stop Bit 1 bit Parity Unsupported Console Port Flow Control Unsupported Button Description Power1 Key 220V AC Power1 220V AC Power2 Power2 Key Network Por...

Страница 9: ...way RX GND Figure 1 5 Console Port Signal Definition For other hardware parameters refer to Appendix A Technical Specifications 1 4 Alarm Info The SBO gateway is equipped with two indicators denoting the system s running status Run Indicator green and Alarm Indicator red The table below explains the states and meanings of the two indicators LED State Description Go out System is not yet started Li...

Страница 10: ...101 of the SBO gateway in the browser to go to the WEB interface The original username and password of the gateway are both admin For detailed instructions about login refer to 3 1 System Login We suggest you change the initial username and password via System Tools Æ Change Password on the WEB interface as soon as possible after your first login For detailed instructions about changing the passwo...

Страница 11: ... Select SIP Trunk Group 0 as Call Initiator and SIP Trunk Group 1 as Call Destination Keep the default values for the other configuration items Step 4 Initiate a call from the SIP trunk 0 configured in Step 1 to the IP address and port of the SBO gateway Thus you can establish a call conversation via SIP trunk 1 with the IP terminal Note The format used for calling an IP address via SIP trunk is a...

Страница 12: ...terface The gateway only serves one user whose original username and password are both admin You can change the username and the password via System Tools Æ Change Password on the WEB interface For detailed instructions refer to 3 7 15 Change Password After login you can see the main interface as below Figure 3 2 Main Interface SMG SBO Series Gateway User Manual Version 1 6 3 Page 7 ...

Страница 13: ... the current running status of the gateway See Figure 3 3 Figure 3 3 Operation Info 3 2 1 System Info Figure 3 4 System Info Interface See Figure 3 4 for the system info interface You can click Refresh to obtain the latest system information The table below explains the items shown in Figure 3 4 SMG SBO Series Gateway User Manual Version 1 6 3 Page 8 ...

Страница 14: ...receiving and transmitting Work Mode The work mode of the network including six options 10 Mbps Half Duplex 10 Mbps Full Duplex 100 Mbps Half Duplex 100 Mbps Full Duplex 1000 Mbps Full Duplex and Disconnected Runtime Time of the gateway keeping running normally after startup This parameter updates every 2s Serial Number Unique serial number of a SBO gateway WEB Current version of the WEB interface...

Страница 15: ...eal time status of each IP channel on the gateway Item Description Channel No The corresponding serial number of IP on the device State z Displays the channel state in real time You can move the mouse onto the channel state icon for detailed information about the channel and the call such SMG SBO Series Gateway User Manual Version 1 6 3 Page 10 ...

Страница 16: ...essage from remote PBX Note The gateway provides the fuzzy search feature on this interface After you click any characters on Figure 3 5 and press the F button the search box will emerge on the right top of this page Then you can input the key characters and the gateway will locate the channel on which there is an ongoing call that conforms to the fuzzy search condition Take an example As shown in...

Страница 17: ...Synway Information Engineering Co Ltd Figure 3 6 Search Calls SMG SBO Series Gateway User Manual Version 1 6 3 Page 12 ...

Страница 18: ...y Busy Total number of the calls which fail as the called party has been occupied and replies a busy message No Answer Total number of the calls which fail as the called party does not pick up the call in a long time or the calling party hangs up the call before the called party picks it up Routing Failed Total number of the calls which fail because no routing rules are matched No Idle Resource To...

Страница 19: ...k SIP Register SIP Account SIP Trunk Group and Media See Figure 3 9 SIP is used to configure the general SIP parameters SIP Trunk is used to set the basic and register information of the SIP trunk SIP Register is used for the registration of SIP SIP Account is used for registering SIP accounts to the SIP server SIP Trunk Group is to manage SIP trunks by group and Media is to set the RTP port and t...

Страница 20: ...Synway Information Engineering Co Ltd 3 3 1 SIP Settings SMG SBO Series Gateway User Manual Version 1 6 3 Page 15 ...

Страница 21: ...Synway Information Engineering Co Ltd SMG SBO Series Gateway User Manual Version 1 6 3 Page 16 ...

Страница 22: ...the called party number from To Field or from Request Field The default value is from Request Field NAT Traversal Traversal Type Sets whether to enable the NAT traversal By default this feature is disabled There is only one traversal type Port Mapping LAN1 Mapping Address LAN2 Mapping Address The mapping addresses of LAN1 and LAN2 in case the NAT traversal is enabled If the port mapping is selecte...

Страница 23: ...tain period for the gateway to make calls By default the gateway is allowed to make calls any time in the day 24 Hours Session Timer Sets whether to enable the session refresh feature with the default value of disabled Once this feature is enabled you are required to enter the minimum time and the timeout value Minimum Time Sets the minimum time for refreshing the session Value of range 90 65535 w...

Страница 24: ... Port Port of the SIP trunk Local Network Port The network port where the SIP trunk locates Transport Protocol SIP transport protocol providing two modes UDP and TCP The default value is UDP Description More information about each SIP trunk group Outgoing Voice Resource Maximum number of voice channels for the outgoing calls allocated by the SIP trunk to the gateway Incoming Voice Resource Maximum...

Страница 25: ...priority will be CODEC Seven optional CODECs are supported G711A G711U G729 G722 G723 AMR and iLBC See 3 3 6 Media Settings for the detailed parameters for each CODEC The default CODEC for the SIP trunk is the same as that set in 3 3 6 Media Settings After configuration click Save to save the settings into the gateway or click Close to cancel the settings See Figure 3 12 for the SIP Trunk Settings...

Страница 26: ... items on the current page Uncheck All means to cancel all selections on the current page Inverse means to uncheck the selected items and check the unselected To clear all SIP trunks at a time click the Clear All button in Figure 3 12 3 3 3 SIP Register By default there is no SIP register available on the gateway Click Add New to add them manually See Figure 3 14 SMG SBO Series Gateway User Manual...

Страница 27: ...item corresponds to the username of SIP when the gateway initiates a call to IP this item corresponds to the displayed CallerID Password Registration password of the gateway To register the gateway to the SIP server both configuration items Username and Password should be filled in Register Address Address of the SIP server to which the SIP trunk is registered Register Port The signaling port of t...

Страница 28: ...y Bound Port and Authentication Username be shown Externally Bound Address Externally bound IP address for registration Externally Bound Port Externally bound port for registration Authentication Username Authentication username for registration After configuration click Save to save the settings into the gateway or click Close to cancel the settings See Figure 3 15 for the SIP Register Informatio...

Страница 29: ...l available items on the current page Uncheck All means to cancel all selections on the current page Inverse means to uncheck the selected items and check the unselected To clear all SIP registers at a time click the Clear All button in Figure 3 15 3 3 4 SIP Account By default there is no SIP account available on the gateway Click Add New to add them manually See Figure 3 17 SMG SBO Series Gateway...

Страница 30: ...ster Expires The validity period of the SIP account registry Once the registry is overdue the SIP account should be registered again Range of value 10 3600 calculated by s with the default value of 3600 Register Status The registration status of the SIP account It is either Registered or Failed Authentication Username Authentication username of a port used to register the port to the SIP server wh...

Страница 31: ...the checkbox before the corresponding index in Figure 3 18 and click the Delete button Check All means to select all available items on the current page Uncheck All means to cancel all selections on the current page Inverse means to uncheck the selected items and check the unselected To clear all SIP accounts at a time click the Clear All button in Figure 3 18 3 3 5 SIP Trunk Group By default ther...

Страница 32: ...nimum Decrease Search for an idle SIP trunk in the descending order of the SIP trunk number starting from the maximum Cyclic Increase Provided SIP Trunk N is the available SIP trunk found last time Search for an idle SIP trunk in the ascending order of the SIP trunk number starting from SIP Trunk N 1 Cyclic Decrease Provided SIP Trunk N is the available SIP trunk found last time Search for an idle...

Страница 33: ...nterface Figure 3 22 Modify SIP Trunk Group To delete a SIP trunk group check the checkbox before the corresponding index in Figure 3 21 and click the Delete button Check All means to select all available items on the current page Uncheck All means to cancel all selections on the current page Inverse means to uncheck the selected items and check the unselected To clear all SIP trunk groups at a ti...

Страница 34: ...re the configurations If a dialog box pops up after you save your settings asking you to restart the service do it immediately to apply the changes Refer to 3 7 17 Restart for detailed instructions The table below explains the items shown in Figure 3 23 Item Description DTMF Transmit Mode Sets the mode for the IP channel to send DTMF signals The optional values are RFC2833 In band Signaling RFC283...

Страница 35: ... initial delay applied to received packets upon accepting packets later than the expected value set in JitterBuffer Item Range of value 0 280 calculated by ms with the default value of 100 Note Only when JitterMode is set to Static Mode will this item be shown JitterOverrunLead Sets the beforehand time inserted if receiving packets is ahead of time the time of receiving is earlier than 300 minus t...

Страница 36: ...l be the default CODEC for the new added SIP trunks The packing time and bit rate supported by different CODECs are listed in the table below Those values in bold face are the default values COEDC Packing Time ms Bit Rate kbps G711A 5 10 20 30 40 50 60 64 G711U 5 10 20 30 40 50 60 64 G729 20 8 G723 30 60 5 3 6 3 G722 5 10 20 30 40 64 AMR 20 40 60 4 75 5 15 5 90 6 70 7 40 7 95 10 20 12 20 iLBC 20 3...

Страница 37: ...ule adding interface Figure 3 26 Add New Routing Rule IPÆIP The table below explains the items shown in the above figure Item Description Index The unique index of each routing rule which denotes its priority A routing rule with a smaller index value has a higher priority If a call matches several routing rules it will be processed according to the one with the highest priority Call Initiator SIP ...

Страница 38: ... 007 017 027 037 008 018 028 038 009 019 029 039 076 077 078 079 Note Multiple rules are supported for CallerID CalleeID prefix They are separated by Call Destination SIP trunk group to which the call will be routed Number Filter Number filter rule which will be applicable to this route It is set in Number Filter See 3 5 4 Filtering Rule for details Description More information about each routing ...

Страница 39: ...on the current page Uncheck All means to cancel all selections on the current page Inverse means to uncheck the selected items and check the unselected To clear all routing rules at a time click the Clear All button in Figure 3 27 3 5 Number Filter Number Filter includes four parts Whitelist Blacklist Number Pool and Filtering Rule See Figure 3 29 Figure 3 29 Number Filter Interface SMG SBO Series...

Страница 40: ...ng Interface which includes two parts CallerID Whitelist and CalleeID Whitelist A new CallerID CalleeID whitelist can be added by the Add New button See Figure 3 31 Figure 3 32 for CallerID CalleeID whitelist adding interface Figure 3 31 Add New CallerIDs in Whitelist Interface SMG SBO Series Gateway User Manual Version 1 6 3 Page 35 ...

Страница 41: ...unctuations and For example 1 3 6 8 indicates any one of the numbers 1 2 3 6 8 is used only in between two numbers to indicates any number between these two numbers is used to separate numbers or number ranges representing alternatives CalleeID CalleeID in the whitelist which must be filled in with numbers or indicating any string and can not be left empty The rules are the same as that of CallerI...

Страница 42: ...a higher priority than the whitelist The total amount of numbers in both whitelist and blacklist cannot exceed 5000 3 5 2 Blacklist Figure 3 35 Blacklist Setting Interface The Blacklist Setting interface is almost the same as the Whitelist Setting interface only the whitelist changes to the blacklist See Figure 3 35 The configuration items on this interface are the same as those on the Whitelist S...

Страница 43: ... Group ID for numbers in the number pool The value range is 0 15 No in Group The corresponding No for different numbers in a same group It supports up to 100 number s in one group Number Range The range of the numbers in a number Pool It must be filled in with numbers and can not be left empty After configuration click Save to save the above settings into the gateway or click Close to cancel the s...

Страница 44: ... clear all number pools at a time click the Clear All button in Figure 3 36 3 5 4 Filtering Rule Figure 3 39 Filtering Rule Setting Interface See Figure 3 39 for the Filtering Rule Setting Interface A new filtering rule can be added by the Add New button on the bottom right corner of the list in the above figure See Figure 3 40 for the Filtering Rule Adding interface SMG SBO Series Gateway User Ma...

Страница 45: ...lacklist The Group No of CallerIDs saved on the blacklist setting interface CalleeID Blacklist The Group No of CalleeIDs saved on the blacklist setting interface CallerID Pool in Whitelist Select a Group No which is set in the whitelist from the number pool as the CallerID pool in whitelist CallerID Pool in Blacklist Select a Group No which is set in the blacklist from the number pool as the Calle...

Страница 46: ... pool in blacklist Description Remarks for the filtering rule It can be any information but can not be left empty After configuration click Save to save the above settings into the gateway or click Close to cancel the settings Click Modify in Figure 3 39 to modify the filtering rule See Figure 3 41 for the filtering rule modification interface The configuration items on this interface are the same...

Страница 47: ...parts IPÆIP CallerID and IPÆIP CalleeID See Figure 3 42 Figure 3 42 Number Manipulation 3 6 1 IP to IP CallerID By default there is no IPÆIP CallerID manipulation available on the gateway Click Add New to add them manually See Figure 3 43 for the IPÆIP CallerID manipulation rule adding interface Figure 3 43 Add IPÆIP CallerID Manipulation Rule SMG SBO Series Gateway User Manual Version 1 6 3 Page ...

Страница 48: ...rent number the whole number will be deleted Stripped Digits from Right The amount of digits to be deleted from the right end of the number If the value of this item exceeds the length of the current number the whole number will be deleted Reserved Digits from Right The amount of digits to be reserved from the right end of the number Only when the value of this item is less than the length of the ...

Страница 49: ...ems and check the unselected To clear all number manipulation rules at a time click the Clear All button in Figure 3 44 3 6 2 IP to IP CalleeID The number manipulation process for IPÆIP CalleeID is almost the same as that for IPÆIP CallerID only the number to be manipulated changes from CallerID to CalleeID See Figure 3 46 for IPÆIP CalleeID manipulation interface The configuration items on this i...

Страница 50: ... Tools is mainly for gateway maintenance It provides such features as IP modification time synchronization data backup log inquiry and connectivity check See Figure 3 47 for details Figure 3 47 System Tools SMG SBO Series Gateway User Manual Version 1 6 3 Page 45 ...

Страница 51: ...d Default Gateway cannot be the same for NET 1 and NET 2 2 By default Speed and Duplex Mode is hidden set to Automatic Detection You can click F to let it display We suggest you do not modify it because the non automatic detection may cause abnormity in network interface If the Network Detect feature is enabled a ping test will automatically be initiated from this IP address to the gateway to chec...

Страница 52: ...ers Setting Interface See Figure 3 49 for the Management Parameters Setting interface The table below explains the items shown in the above figure Item Description WEB Port The port which is used to access the gateway via WEB The default value is 80 SMG SBO Series Gateway User Manual Version 1 6 3 Page 47 ...

Страница 53: ... Address and SYSLOG Level in case SYSLOG is enabled By default SYSLOG is disabled Server Address Sets the SYSLOG server address for log reception SYSLOG Level Sets the SYSLOG level There are three options ERROR WARNING and INFO NTP Sets whether to enable the NTP time synchronization feature It is required to fill in NTP Server Address Synchronizing Cycle and Time Zone in case NTP is enabled By def...

Страница 54: ...gment Network Port The corresponding network port of the routing After configuration click Save to save the settings into the gateway or click Close to cancel the settings See Figure 3 51 for the Routing Table List Figure 3 51 Routing Table List Click Modify in Figure 3 51 to modify a routing See Figure 3 52 for the routing table modification interface The configuration items on this interface are...

Страница 55: ...To clear all number manipulation rules at a time click the Clear All button in Figure 3 51 3 7 4 Centralized Manage Figure 3 53 Centralized Manage Setting Interface See Figure 3 53 for the Centralized Manage Setting interface The gateway can register to a centralized management platform and accept the management of the platform The table below SMG SBO Series Gateway User Manual Version 1 6 3 Page ...

Страница 56: ...mmunity string used for information acquisition Account The account of SNMP only valid when the SNMP version is set to V3 Grade The grade of SNMP three options available Neither authenticated nor encrypted Authenticated but not encrypted and Authenticated and encrypted with the default value of Neither authenticated nor encrypted It is only valid when the SNMP version is set to V3 Authentication P...

Страница 57: ...guration files through this interface Configurations about the gateway server such as route rules number manipulation number filter and so on are included in SMGConfig ini Configurations about the board are included in ShConfig ini You can modify these configurations on the interface directly and then click Save to save the above settings into the gateway or click Reset to restore the configuratio...

Страница 58: ...ress for syslog to which the syslog file will be sent Click Stop to stop data capture and download the captured packets IP Two way Recording is used to make recording of a designated channel in a specified channel group Click Start to start recording data maximum consecutively recording time 1 minute Click Stop to stop data recording and download the recorded data Click Clean Data to clean all the...

Страница 59: ...configured are proper or not and whether the call can succeed or not The table below explains the configuration items shown in the above figure Item Description Test Type The source trunk type for signaling call test SIP Trunk Group No The SIP trunk group number you are required to select CallerID The CallerID for the signaling call test CalleeID The CalleeID for the signaling call test SMG SBO Se...

Страница 60: ... be finished only if the called party ends it That is the gateway can not stop the testing 3 7 8 Signaling Call Track Figure 3 57 Call Track Interface See Figure 3 57 for the Call Track Interface including three modes Filter CallerID Filter CalleeID and Filter None This is mainly used to output and save call information facilitating call trace and problem debugging Click Start to track calls and t...

Страница 61: ...e Ping test is initiated Destination Address Destination IP address on which the Ping test is executed Ping Count The number of times that the Ping test should be executed Range of value 1 100 Package Length Length of a data package used in the Ping test Range of value 56 1024 bytes Info The information returned during the Ping test helping you to learn the network connection status between the ga...

Страница 62: ... where the Tracert test is initiated Destination Address Destination IP address on which the Tracert test is executed Maximum Jumps Maximum number of jumps between the gateway and the destination address which can be returned in the Tracert test Range of value 1 255 Info The information returned during the Tracert test helping you to learn the detailed information about the jumps between the gatew...

Страница 63: ...erface The Modification Record interface is used to check the modification record on the web configuration Click Check and the modification record will be shown on the dialog box See Figure 3 60 Click Download to download the record file SMG SBO Series Gateway User Manual Version 1 6 3 Page 58 ...

Страница 64: ...y you shall first choose the file type in the pull down list then select it via Browse and at last click Upload The gateway will automatically apply the uploaded data to overwrite the current configurations 3 7 13 Factory Reset Figure 3 62 Factory Reset Interface See Figure 3 62 for the Factory Reset interface Click Reset to restore all configurations on the gateway to factory settings 3 7 14 Upgr...

Страница 65: ...he operation of Update 3 7 15 Change Password Figure 3 64 Password Changing Interface See Figure 3 64 for the Password Changing interface where you can change username and password of the gateway Enter the current password the new username and password and then confirm the new password After configuration click Save to apply the new username and password or click Reset to restore the configuration...

Страница 66: ...elected list in Figure 3 66 is modified the gateway will be locked See Figure 3 67 In such case only five pages including system info network setting change password device lock and restart are available Calls will all be rejected Enter the device unlock interface Figure 3 66 and input your password to unlock the device Figure 3 67 Device Lock Interface 3 7 17 Restart Figure 3 68 Service System Re...

Страница 67: ...gineering Co Ltd Chapter 4 Typical Applications Figure 4 1 Application 1 1 Configure SIP Settings IP Phone IP Phone Router LAN Internet IP PBX IMS Server SBO Gateway SMG SBO Series Gateway User Manual Version 1 6 3 Page 62 ...

Страница 68: ...formation Engineering Co Ltd Figure 4 2 2 Add the IP addresses of the SIP terminal Figure 4 3 3 Add the SIP trunks into the corresponding SIP trunk groups SMG SBO Series Gateway User Manual Version 1 6 3 Page 63 ...

Страница 69: ...les to route calls from different SIP trunk groups to the corresponding SIP trunk groups Figure 4 6 6 Set number manipulation rules When the gateway receives a call from IP it will first check the CalleeID prefix If the CalleeID prefix is 7 or 8 the gateway will delete it before routing the call to the corresponding SIP trunk group Figure 4 7 SMG SBO Series Gateway User Manual Version 1 6 3 Page 6...

Страница 70: ...See Hardware Description for signal definition Data bits 8 bits Stop bit 1 bit Parity unsupported Flow control unsupported Note Follow the above settings to configure the console port or it may work abnormally Power Requirements Input power 100 240V AC Maximum power consumption 22W Signaling Protocol SIP signaling SIP V1 0 2 0 RFC3261 Audio Encoding Decoding G 711A 64 kbps G 711U 64 kbps G 729 8 k...

Страница 71: ... party or both parties cannot hear the voice or the voice quality is unacceptable Other problems such as abnormal SIP trunk status inaccessible calls failed registrations and incorrect numbers are probably caused by configuration errors We suggest you refer to Chapter 3 WEB Configuration for further examination If you still cannot figure out or solve your problems please feel free to contact our t...

Страница 72: ...way D R Center No 3756 Nanhuan Road Binjiang District Hangzhou P R China 310053 Tel 86 571 88860561 Fax 86 571 88850923 Wechat QR Code Scan the QR code below to add us on Wechat Technical Support Tel 86 571 88864579 Mobile 86 18905817070 Email techsupport sanhuid com Email techsupport synway net MSN synway support hotmail com Sales Department Tel 86 571 88860561 Tel 86 571 88864579 Fax 86 571 8885...

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