UC500 Caller ID and Transfer issue

Unanswered Question
Dec 4th, 2009
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I have a customer who claims calls come in to his system with

caller id, but then they disappear before he answers, then 10-15 seconds later they

ring back to him, but now with no caller id.


Why would the call leave his phone and come back, and why would it not have caller id when it comes back?


Any help on this would be greatly appreciated.

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Hi,


Answers to you question:

Once the call hit his extension it will stay there untill the CFNA timer expires: Call ID will stay...


You will have to test by debugging the Voice Gateway " debug isdn q931", "term mon". You will have to understand the call flow...


What you have here is a CME "Call Manager Express" system. You can administer the system using the GUI or CLI "command Line:
This is the Command Line Config Example:
!
ephone-dn  1  octo-line
number 105
description Library
name Library
call-forward busy 106
call-forward noan 106 timeout 15
!
ephone  1
no phone-ui speeddial-fastdial
no multicast-moh
description 79XX PHONE CONNECTED to Fa0/3/0
mac-address 0017.94CF.219E
ephone-template 1
max-calls-per-button 5
busy-trigger-per-button 3
type 7960
button  1:1
!
Look at this part:
call-forward busy 106
call-forward noan 106 timeout 15
By default the line will have a CFNA "Call Forward No Answer" time of 15 sec (3 rings with call back).
You can change this to 30 sec (about 6 rings with callback) - this will give the use a bit more time to pick the call up...
You can make the change on the CLI or GUI.
Please make sure you configure a VoiceMail Box for this user, so the call will go to VoiceMail, you can also allow the call to go to another extension as above example.
Hope this help!! If so please rate?
Any questions please let me know?
Kind Regards,
Nico

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