Cisco Call Manager Express voice translation-rule

Posted on 2009-12-29
Last Modified: 2013-12-27

I have a series of extensions ranging from 101 through 200.  In order to get to our voicemail system (hosted elsewhere via SIP), I need to prepend 999 to the extension

So instead of the sip header:  sip:101@mysipprovider I need to send: sip:999101@mysipprovider

I have tested a manual translation, which works fine, but I am limited to 15 rules which won't work.

(this works)
voice translation-rule 1
rule 1 /^101/ /999101/

So I need an expressed-based translation-rule that will make this happen for all the extensions.


Question by:chikagoh
    LVL 15

    Expert Comment

    Example 4
    voice translation-rule 5
     rule 1 /^0+/ /909/

    So for your config
    voice translation-rule 1
    rule 1 /^1+/ /999/

    LVL 8

    Accepted Solution

    you can use the following:

    rule 1 /\(^[1-2]..\)/ /999\1/

    it will work for you i tested it myself.


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