Four Channel’s GSM VoIP Gateway
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Use can add a SMS prefix with mode 3, it will work like mode 1.
3.8.2 SMS Relay
GoIP400 GSM gateway supported SMS relay.
The
SMS Forward Number
is the receiver of your VoIP system; it will receive the SMS
send from GoIP400 when some GSM phones send a SMS to GoIP400.
3.8.2.1 SMS Relay To VoIP System
When GoIP400 receive a SMS come from GSM network, it will auto relay to VoIP
system’s appointed number (SMS Forward Number);
Suppose the SMS Forward Number is 3999 and SMS sender number is “
8613682626865
“, the SMS content is “
075583185700
“;The GoIP400 will send a message to your VoIP
system like follow: