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Old 03-06-2012, 08:03 PM
chhoeun2008 chhoeun2008 is offline
Join Date: Dec 2011
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Default Sethy

Hi all,

I already configure trunk-groups to send Calling Number and Name, and already configure Public-Unknown-Numbering. But when i call out it doesn't show Calling Number and Name. anyone can help me?

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Old 03-07-2012, 07:08 AM
mskinner mskinner is offline
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If you have administered everything properly and name and number is not being sent out of the Communication Manager, then you need to initiate a ticket with your local repair organization.
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Old 03-11-2012, 06:11 PM
shankarp shankarp is offline
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Did u do a list trace tac to confirm ?
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Old 03-14-2012, 06:23 AM
aa1 aa1 is offline
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1) what is the value of the field: "Format" on "change trunk-group xx" page 4?
2) are you using TAC to initiate a call, or ars/aar?

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Old 06-13-2014, 06:00 AM
tripathi1 tripathi1 is offline
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Default CM : How to send Calling Party number details for outbound call via. ISDN trunks

Hi Sethy,

To set the Caller ID display for ISDN Trunks:

Use Change Public-Unknown-Numbering (Extension Length) to initiate change

Ext Len - Number of digits in calling parties extension

Ext Code - Extension or Part of extension depending on customer numbering plan

Trk Grp(s) - Specify outgoing Trunk Group for which display should be implemented.

CPN Prefix - Specify digits to be included in display as a prefix to the extension

CPN Len - Specify length of total digits to be displayed during call

CPN Length sets total length of display. If CPN Prefix is 10 digits and CPN Len value is 10. Only the CPN Prefix will be displayed.

For Example:

Ext Len = 7 Ext Code = 752 (exchange) Trk Grp(s) = 1 CPN Prefix = 5127529999 Total CPN Len = 10

This means that calls from Extension with prefix 752 using Trunk Group 1 will be replaced with the display 5127529999 Because the CPN Prefix is 10 digits and the Total CPN Length is 10 Digits

Exaple 2:

Ext Len = 7 Ext Code = 321 Trk Grp(s) = 1 CPN Prefix = 512752 Total CPN Len = 10

This means that calls from extensions 321xxxx using Trunk Group 1 will be preceded with the digit string 512752 in display because the CPN Prefix is 6 digits and total CPN Length is 10 Digits.

If the CPN is still not displaying then you need to open a service request with Avaya to have an MST trace setup on the ISDN trunks.

Avaya engineer can check what CM is sending on the Service provider side & possibly identify the issue.


Anuj Tripathi
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