User manual

58
GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
Sending Message to 192.168.2.1:5060:
INVITE sip:8675588228822@192.168.2.1:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 192.168.2.237:5060;branch=z9hG4bK363969813
From:
<sip:8613800000000@192.168.2.1:5060>;user=phone;tag=65248630
To: <sip:8675588228822@192.168.2.1>
Call-ID: 117025903@192.168.2.237
CSeq: 2 INVITE
Contact: <sip: 8613800000000@192.168.2.237:5060>
Max-Forwards: 30
User-Agent: H
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REFER, REGISTER,
MESSAGE, INFO, SUBSCRIBE
Content-Type: application/sdp
Content-Length: 226
When the user enters an SMS dial prefix, such as 999, the above call request
signaling is changed to:
Sending Message to 192.168.2.1:5060:
INVITE sip: 9998675588228822@192.168.2.1:5060;transport=udp
SIP/2.0
Via: SIP/2.0/UDP 192.168.2.237:5060;branch=z9hG4bK363969813
19
GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
Serve as the client: When GSM VOIP Gateway operates in this mode, it will
send it s real-time status to the server of the GSM VOIP Gateway group, so that
the GSM VOIP Gateway server can deploy the call forwarding.
Server address: It is the IP address of the GSM VOIP Gateway of the GSM VOIP
Gateway group server.
GSM number: It is the telephone number of the GSM SIM card used by the GSM
VOIP Gateway.
The caller number can be hidden, but this needs the support of the GSM operator.
The IMEI (International Mobile Equipment Identity) is an electric serial number
containing 15 digits.
3.3.6 Anonymity Of the GSM Caller Number
3.3.7 IMEI
3.3.8 SMS Send to Client