R0106-HP MSR Router Series Voice Configuration Guide(V7)

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The keepalive function does not take effect for a VoIP entity that has been shut down by using the
shutdown command.
To enable keepalive function for a VoIP entity:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter dial program view.
dial-program N/A
4. Enter VoIP entity view.
entity entity-number voip N/A
5. Enable keepalive function for
the VoIP entity.
voice-class sip options-keepalive
[ up-interval seconds ]
[ down-interval seconds ] [ retry
retries ]
By default, the keepalive function is
disabled for a VoIP entity.
6. Return to voice view.
quit N/A
7. Enter SIP view.
sip N/A
8. Configure the timers options
interval.
timers options value
The default value is 500
milliseconds.
The timers options interval takes
effect only for VoIP entities that
have been enabled with keepalive
function.
Specifying a trusted node
By default, the router accepts all SIP calls. After you specify trusted nodes, the router only accepts SIP
calls from the trusted nodes.
To specify a trusted node:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter SIP view.
sip N/A
4. Enable the trusted node list and
enter trusted node list view.
ip address trusted list
By default, the trusted node list is
not enabled.
5. Specify a trusted node.
ip ipv4-address [ mask ]
By default, no trusted node is
specified.
Configuring extended SIP functions
This section describes extended SIP configurations.