http://www.hybertone.com COIP CDMA Voice Gateway
55
CSeq: 2 INVITE
Contact: <sip:[email protected]:5060>
Max-Forwards: 30
User-Agent: Hybertone
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REFER, REGISTER,
MESSAGE, INFO, SUBSCRIBE
Content-Type: application/sdp
Content-Length: 226
Mode 3:
When a short message of
“
8675588228822
”
is sent from the mobile phone number
(+86)13800000000 to the COIP, the COIP will send the following call requests. When the
COIP sends a call request through the SIP number of the COIP, the COIP will automatically
add the number of the short message sender to the PSTN Forwarding Number in Call
Forwarding (VoIP Incoming Call, Forwarding to the PSTN Immediately);
In this mode, when the COIP receives the call from the SIP server, the COIP will forward the
call to the short message sending equipment through the CDMA network.
The SMS dial prefix is still valid in this mode;
The call request signaling in this mode is as follows:
Sending Message to 192.168.2.1:5060:
INVITE sip:
8675588228822*8613800000000
@192.168.2.1:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 192.168.2.237:5060;branch=z9hG4bK363969813
From: <sip:[email protected]:5060>;user=phone;tag=65248630
To: <sip:
8675588228822*8613902994477
@192.168.2.1>
Call-ID: [email protected]