Four Channel’s GSM VoIP Gateway
35
z
Mode 2 example:
GoIP_4 use SMS Dial Mode 2:
One mobile phone’s number is (86)13800000000, it sends a SMS “8675588228822” to
GoIP_4’s GSM SIM card. When GoIP_4 device receive this SMS, it will auto to call number
as 8675588228822, and the caller number is GoIP_4’s SIP account number.
GoIP_4 will set the SMS sender number to “Call Divert “option’s “Forward Number (VoIP
to PSTN” automatic. The result is, when SIP server receives the SMS call and call back
this GoIP_4 then GoIP_4 will auto call the SMS sender via GSM network.
The sent out signaling as follow:
Use can add a SMS prefix with mode 2, it will work like mode 1.
z
Mode 3 example:
GoIP_4 use SMS Dial Mode 3:
