One Chunnel GSM VoIP Gateway
35
3.6.2.2 SMS Relay To GSM Network
When GoIP receive a message come from SIP server as follow:
The GoIP will send a SMS to GSM number
13682626800
, the SMS content is “
Hello
world
”.
3.7 PSTN Caller ID Transparent
In SIP protocol, GoIP support PSTN Caller ID transparent to VoIP via SIP Invite signaling;