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Community Member

Incomming Caller ID, Droping the first digit 0 on the display

Hi we have call manager 5.1 and 2851 gateway using H323 gateway. When we received incomming call, the first digit is not displayed on the caller ID. All help will be very greatful. thanks robert

5 REPLIES
Community Member

Re: Incomming Caller ID, Droping the first digit 0 on the displa

check what the telco is sending you with debug isdn q931

you might neeed to insert a 0 with a translation profile on the inconming pots dial-peer or the outgoing voip dial-peer towards call manager.

We had to this exact thing in our GWs in Germany, so we prefix a 0 for national calls and 00 for international calls and then it displays correctly and redial etc works as well from the phones.

Community Member

Re: Incomming Caller ID, Droping the first digit 0 on the displa

Thanks for the reply. Can you please advise where do I need ot insert the 0 in the incomming port dial-peer. Thanks again.

Community Member

Re: Incomming Caller ID, Droping the first digit 0 on the displa

Go to

System > Service Parameter > Advanced (at the end of page) > Incoming Calling Party National Number Prefix - Phone and put the value = 0

If this help, please rate

Re: Incomming Caller ID, Droping the first digit 0 on the displa

For H.323 in normally use voice transaltion rules to add digits.

The config below is for a UK router and adds "90" for national calls and "900" for international calls.

"9" is used as the PSTN access code. Adding it as well as the missing zero(s) allows users to return calls from their missed calls log without having to edit the number.

!

voice translation-rule 1

rule 1 // /90/ type national national

rule 2 // /900/ type international international

!

!

voice translation-profile DDI_Inbound

translate calling 1

!

!

dial-peer voice 10 pots

description *** Incoming PSTN Calls ***

translation-profile incoming DDI_Inbound

incoming called-number .

direct-inward-dial

port 0/0/0:15

!

Please rate if helpful.

Community Member

Re: Incomming Caller ID, Droping the first digit 0 on the displa

Hi Robert,

In Aust, Telstra does not send the leading 0 whereas Optus does :)

Anyways, here's the H.323 gateway config:

voice translation-rule 1000

rule 1 // /00/

!

!

voice translation-profile FROM-ISDN

translate calling 1000

!

!

dial-peer voice XXXX pots

description Incoming ISDN Calls

translation-profile incoming FROM-ISDN

incoming called-number .T

direct-inward-dial

!

!

Hope this helps!

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