VOPtel GoIP4 Manual do Utilizador descarregar pdf (Página 35)

VOPTech Document Four Channel’s GSM VoIP Gateway

Use can add a SMS prefix with mode 2, it will work like mode 1.

z Mode 3 example:

GoIP4 use SMS Dial Mode 3:

One mobile phone’s number is (86)13800000000, it sends a SMS “8675588228822” to

GoIP4’s GSM SIM card. When GoIP4 device receive this SMS, it will auto to call number as

8675588228822*(86)13800000000, and the caller number is GoIP4’s SIP account number.

The sent out signaling as follow:

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 48 49

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VOPtel GoIP4 Manual do Utilizador Página 35