User manual

18
GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
Users can establish a GSM group containing multiple GSM VOIP Gateway. Under
this mode, the administrator only needs to provide a GSM number to the user to
call in the VoIP system.
Each GSM VOIP Gateway can operate in any of the following modes:
Prohibit: This mode is used when the GSM VOIP Gateway operates independently.
Serve as the server: When GSM VOIP Gateway operates in this mode, the
administrator only needs to provide the user with a GSM number of the GSM VOIP
Gateway as a unique access number to the GSM VOIP Gateway group. In one
GSM VOIP Gateway group, only one GSM VOIP Gateway can be used as the
server. When the GSM VOIP Gateway serves as the server, the GSM unconditional
call forwarding or busy call forwarding can be activated. The unconditional call
forwarding is used to forward all incoming calls to other clients of the group. The
busy call forwarding is used to forward incoming call s to other clients of the
group when the status of the SIM card of the server is ACTIVE.
59
GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
From:
<sip:8613800000000@192.168.2.1:5060>;user=phone;tag=65248630
To: <sip:9998675588228822@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
Mode 2:
When a short message of “8675588228822” is sent from the mobile phone
number ([phone] to the GSM VOIP Gateway, the GSM VOIP Gateway
will send the following call requests. When the GSM VOIP Gateway sends a call
request through the SIP number of the GSM VOIP Gateway, the GSM VOIP
Gateway 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 GSM VOIP Gateway receives the call from the SIP server,
the GSM VOIP Gateway will forward the call to the short message sending
equipment through the GSM network.
The SMS dial prefix is still valid in this mode;
The call request signaling in this mode is as follows: