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(Note: “081x” will be NOT register to SIP Proxy Server when Gateway is Registering SIP Proxy
Server Mode)
Advance Setting to SIP protocol
In Advanced Setting , GW provides user three major parts function to configure:
One is “VoIP Advance”, the other one is “Telephone Advance” and “Network Advance”
SIP VoIP Advance Configurtion
DTMF Method for SIP
After the VoIP call is connected, when you dial a digit, this
digit is sent to the other side by DTMF tone. There are
three methods of sending the DTMF tone. The first one is
“in band”, that is, sending the DTMF tone in the voice
packet. The second one is “RFC2833”, that is, sending the
DTMF tone as a RTP payload signal. The third one is “SIP
Info”, that is, sending the DTMF tone as a SIP signal.
Sending DTMF tone as a signal could tolerate more packet
loss caused by the network. If this selection is enabled, the
DTMF tone will be sent as a signal.
FAX Mode Option
T.30/T.38 real-time FAX compliant Voice/FAX auto-switch.
The T.38 is a “Real Time Group 3 Fax Communication over
IP network” format. That’s meaning it’s a protocol for Fax
over IP. You have to enable this function.