R2511-HP MSR Router Series Voice Command Reference(V5)

213
Related commands
• timer registration divider
• timer registration expires
timer session-expires
Use timer session-expires to enable periodic refresh of SIP sessions and set the maximum and minimum
session expiration time.
Use undo timer session-expires to restore the default.
Syntax
timer session-expires seconds [ minimum min-seconds ]
undo timer session-expires
Default
• The periodic refresh of SIP sessions is not enabled automatically. If periodic refresh of SIP sessions
is disabled on the called party but enabled on the calling party, the called party enables periodic
refresh of SIP sessions after negotiation.
• The minimum session duration is 90 seconds.
Views
SIP client view
Default command level
2: System level
Parameters
seconds: Maximum session expiration time, in the range 90 to 65,535, in seconds.
minimum min-seconds: Minimum session expiration time, in the range 90 to 65,535, in seconds.
Examples
# Enable periodic refresh of SIP sessions; set the session expiration time to 1,800 seconds and the
minimum session expiration time to 1,000 seconds.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] sip
[Sysname-voice-sip] timer session-expires 1800 minimum 1000
transport
Use transport to specify the transport layer protocol for outgoing SIP calls.
Use undo transport to restore the default.
Syntax
transport { tcp | tls | udp }
undo transport