User manual

VOPTech GoIP User Manual
Voptel Technology Co., Ltd All Rights Reserved. 66
3.9.3 SMS Forwarding
The GoIP supports the SMS forwarding through the SMS under SIP protocol. After users send
the short message to the GoIP through the SMS, the GoIP will send the short message to the
specified VoIP number automatically.
As shown in the above figure, select SMS Mode > Forwarding and enter the VoIP number that
is used to receive the SMS information. The VoIP will automatically forward all the SMS
information from the GSM network to this VoIP number. Similarly, the GoIP will
automatically forward all the SMS information from the VoIP to the specified GSM mobile
phone.
1. The GoIP forwards the SMS from the GSM to a specified SIP number.
The following is an example that the GoIP forwards the SMS to the SIP 3999. The red part is
the content of the SMS.
MESSAGE sip:3999@192.168.2.1 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.162:5060;branch=z9hG4bK1967685528
From: <sip:20001@192.168.2.1>;tag=667435795
To: <sip:3999@192.168.2.1>
Call-ID: 2094144847@192.168.2.162
CSeq: 4 MESSAGE
Contact: <sip:20001@192.168.2.162:5060>
Max-Forwards: 30
User-Agent: VOPTEL
Content-Type: text/plain
Content-Length: 28
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