User manual

VOPTech GoIP User Manual
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2. The SMS sent to the GoIP from the SIP is forwarded to the specified PSTN number.
The following example is about the Hello world sent from SIP 3999 to 13682626800. Where,
in the content of the SIP message (in red), the first line indicates the number to receive the
SMS. The second line indicates the content of the SMS.
MESSAGE sip:20001@192.168.2.162:5060 SIP/2.0
From: <sip:3999@192.168.2.89>;tag=5031
To: <sip:20001@192.168.2.1>
Call-ID: 808807EB-A8B3-DD11-BBA6-005056C00008@192.168.2.89
CSeq: 3 MESSAGE
Contact: <sip:3999@192.168.2.89>
max-forwards: 16
date: Tue, 18 Nov 2008 06:36:37 GMT
user-agent: SIPPER for 3CX Phone
p-hint: usrloc applied
Content-Type: text/plain
Content-Length: 26
13682626800
Hello world
Note: The SMS forwarding mode of the GoIP is only functional under the SIP protocol.
3.10 Transparent Transmission of PSTN Caller Numbers
The GoIP permits the transparent transmission of PSTN caller numbers to the VoIP system in
various methods.