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User Manual
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SunComm Technologies Co., Ltd.
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T1
Used to define the SIP protocol T1 timer value, default is 500ms
T2
Used to defines the SIP protocol timer values, default value is 4000ms
T3
Used to define the T2 timer value in SIP protocol, the default is 5000ms
Keep alive
Interval
Used to keep communicate between equipment and the SIP server that make
the device is available . In general, using the factory default values
From Mode
when Caller ID
Is Available
Used to config "From" Mode when Caller ID Is Available when call from
GSM to VoIP
Tel/User: From: caller number <sip:3001@IP>;tag=51088abb
User/User: From: 3001 <sip:3001@IP>;tag=51088abb
Tel/Tel: From: caller number <sip: caller number @IP>;tag=51088abb
User/Tel: From: 3001 <sip: caller number @IP>;tag=51088abb
From Mode
when Caller ID
Is Unavailable
Used to config "From" Mode when Caller ID Is Unavailable
Anonymous : From: <sip: Anonymous @IP>;tag=51088abb
Username : From: <sip: Username @IP>;tag=51088abb
Answer Mode
Answered: Gateway answer the IP incoming call ( send SIP message "200
OK" to IP part ) after GSM part answered
Alerted: Gateway answer the IP incoming call after GSM part Alerted
183 Mode
Immediately : Gateway send "183 RING" immediately to IP part while it
receive "INVITE" from IP part.
Alerted: Gateway send "183 RING" after receive "ring back" from PSTN
Response Code
switch
Used to config the compatibility of SIP Response Code , Fill the response
code in the front , and Fill the switch code in the behind
4.12.3 Port Configuration
Figure 4-12-3 Port Configuration