prefixing '0' to incoming calling number

Unanswered Question
Nov 21st, 2007

hi all

we are using '0' as the PSTN access code.

i need to add '0' to all the incoming calls, so that when i check the missing calls in the IP phone all the numbers should be prefixed with '0'.therefoe i should be able to dial the PSTN numbers directly from missed calls menu, instead of adding a '0' manually

I have this problem too.
0 votes
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
pklos Wed, 11/21/2007 - 05:57


Using MGCP gateway you can do it using TranslatoinPattern, with H323 gateway you can transform calling number using traslation rule.

Or just use some fields in CallManager Service Parameters:

Incoming Calling Party National Number Prefix - Phone

Incoming Calling Party International Number Prefix - Phone

Incoming Calling Party Subscriber Number Prefix - Phone Incoming Calling Party Unknown Number Prefix - Phone




simranjeet.singh Wed, 11/21/2007 - 21:05


i Couldn,t find any of these fields in the service parameters for in CCM service parameters.

by the way i am using CCM 4.1

allan.thomas Thu, 11/22/2007 - 01:10

Within CCM 4.x you can prefix the leading 0 and the trunk access code if you desire, so that when you receive a call or miss a call you can simply go to your directories and press the dial softkey without having to key in the full number.

This is configured with the CallManager Service service Parameters. Open the advanced settings and scroll to the

Cluster Wide Parameters for Device - Phone section.

At the bottom of this section there are four fields for incoming calling party number prefixes, for National, International, Subscriber and unknown numplan. Simply configure your prefix here and update.



Pls rate this post if you find it helpful.

simranjeet.singh Tue, 11/27/2007 - 21:12

thanx for the tip...

I finally used translation rules as i had to modify few numbers in addition to adding '0'.

c.hennrich Tue, 11/27/2007 - 23:21


this is what I apply as translation rule:


voice translation-rule 1

rule 1 /^50/ //


voice translation-rule 2

rule 1 /\(.+\)/ /90\1/ type unknown unknown

rule 2 /\(.+\)/ /90\1/ type national national

rule 3 /\(.+\)/ /900\1/ type international international



voice translation-profile DDI

translate calling 2

translate called 1


This is for UK, for the rest of Europe you woule replace the 9 with a 0. Voice translation rule is only to cut the part away which is not used in the DDI range internally.



This Discussion