VOPTech Document Four Channel’s GSM VoIP Gateway
Copyright@2009 VOPTel Technology Co., Ltd All Rights Reserved.
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3.6.3.2 SMS Relay To GSM Network
When GoIP4 receive a message come from SIP server as follow:
The GoIP4 will send a SMS to GSM number
13682626800
, the SMS content is “
Hello
world
”.
3.7 PSTN Caller ID Transparent
In SIP protocol, GoIP4 support PSTN Caller ID transparent to VoIP via SIP Invite signaling;