Http://www.dbltek.com VoIP FXS+PSTN Gateway
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Advanced Settings
More settings are available under the
Advanced Settings
tab. Depending on your
network requirements, please consult your network administrator for the correct
configuration.
1.
Signaling Port
– This Port is used to convey signaling message with the SIP Proxy.
The standard port number is 5060.
2.
NAT Keep-alive
– When enabled, a dummy packet I sent to the local firewall / router
in order to keep the ports opened for VoIP service.
3.
P2P
– This enables Peer-to-Peer calls.
4.
Virtual Ringback
– This enables a ringback tone to be generated whenever a call is
made.
5.
DTMF Signaling
– This parameter sets the method of sending DTMF signals.
Inband
measns that the DTMF signal is sent as an analog signal via the voice
channel.
Outband
means that the DTMF signal is sent as DTMF command via the
data channel. Both
RFC2833
and
SIP INFO
methods are supported. For
RFC2833,
a DTMF payload type is required and the default type is set to 101.
6.
Signaling QoS
– This parameter sets the QoS mode for VoIP Signaling for better
response time and more reliable VoIP Call signaling. Both IP TOS and Diffserv
