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

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interval seconds: Interval (in seconds) for sending OPTIONS messages to the SIP servers, in the range 5
to 65535. The default interval is 60 seconds.
register: Specifies the REGISTER keep-alive mode.
Usage guidelines
With the keep-alive function enabled, the SIP trunk device selects the current server according to the
detect result and the redundancy mode. If the keep-alive function is disabled, the current server is always
the one with the highest priority in the SIP server group.
Examples
# Enable the keep-alive function and set the keep-alive mode for SIP server group 1 to REGISTER mode.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] server-group 1
[Sysname-voice-group-1] keepalive register
Related commands
redundancy mode
match source host-prefix
Use match source host-prefix to match a source host name prefix for a VoIP voice entity.
Use undo match source host-prefix to delete the call match rule that specifies the prefix of source host
name.
Syntax
match source host-prefix host-prefix
undo match source host-prefix
Default
No prefix of the source host name is specified as a call match rule for a VoIP voice entity. In other words,
all source host names can be matched.
Views
VoIP voice entity view
Default command level
2: System level
Parameters
Host-prefix: Source host name prefix. The value consists of 1 to 31 characters, which are not
case-sensitive and can include letters, digits, underlines (_), hyphens (-), asterisk (*), and dots (.). An
asterisk represents a character string of any length, for example, t*m can match the source host names
tom, tim, and so on.
Usage guidelines
The specified prefix of source host name is used to match against the source host names of calls. If the
INVITE message received by the SIP trunk device carries the Remote-Party-ID header, the calling
information is abstracted from this header field; if the INVITE message received by the SIP trunk device
carries the Privacy header, the source host name is abstracted from the P-Asserted-Identity or
P-Preferred-Identity header field; if the INVITE message received by the SIP trunk device does not carry