Caller id information on FXO port

Unanswered Question
Jan 22nd, 2009

IOS: 12(4)15T

Caller id information is not pulling on Vic2-4FXO. Analog telephone pulls information correctly. Output of debug vpm signal reports "get_fxo_caller_id:Caller ID receive failed. parseCallerIDString:no data." Please help. What could be problem? bad FXO? Have tried different cptone, region, etc. with no luck. Bellcor is set as standard.

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Overall Rating: 5 (1 ratings)
Chris Deren Thu, 01/22/2009 - 13:36

Is this with CME or CM? If CM are you using H323 or MGCP? Caller ID is not supported with MGCP on this IOS.

If H323 then do you have caller-id enable on the voice port?


bwilloby46 Thu, 01/22/2009 - 13:46

any ideas? Currently have this issue at 2 seperate remote sites.

Chris Deren Thu, 01/22/2009 - 13:51

looks like a bug, have you tried another IOS to see if this behaves the same way, i.e. 12.4.7g.

Have you looked through bug query?


bwilloby46 Thu, 01/22/2009 - 13:59

we have 3 sites that are up and running on the same version of code without any issues on exact same hardware and configuration. I have not checked the bug tool. An engineer from Berbee actually recommended this upgrade on our remote sites. We have 12.4(7)g running on our voice gateway in our C/O off of a PRI and caller ID is not accepted either although is being presented to smartjack, but that is a whole other issue. Issues seem to all be on Verizon Telco lines. Your thoughts?

Michael Owuor Thu, 01/22/2009 - 14:03

Could very well be that the problem lines do not have the service enabled by the telco. A quick way to verify would be to plug the phone line into a plain analog phone and see if caller ID is received. If the same code and configuration works elsewhere, then the telco lines are the next likely cause.



bwilloby46 Thu, 01/22/2009 - 14:05

initial post confirms that analog phone pulls caller id info. see 1st post

Chris Deren Thu, 01/22/2009 - 15:09

I would not recommend anything above 12.4.15T4 as there are major DTMF bugs I've been fighting with on all T5 - T8 versions. I keep waiting for a good release to find out the issues are not fixed every time it's released.


Chris Deren Thu, 01/22/2009 - 15:34


issue is still easily replicated with T8 in tandem with CVP as my team just validated it during recent testing, we have an open TAC case on it, plus the versions you reference are not supported with CVP, not to mention a lot of issues encountered with 12.4.20T, I have not had a chance to spend any time on 12.4.22T yet, so no comment there.

I have to admit that lately I've been very disappointed with IOS releases as it pertains to voice feature fixes as there seems to be no solid versions anymore, I still recommend 12.4.7g to majority customers and 12.4.15T4 to ones needing support in SRST for 3rd generation phones as all others have simply been too buggy, which in the field simply means trouble and a lot of wasted time and money.

Hopefully things will improve one day and we'll be back to old, better times...


Nicholas Matthews Thu, 01/22/2009 - 15:38

Hi Chris,

If you email me the SR # I'll take a look. The particular DTMF bug in question is something I worked on and helped create a fix for, so I'm interested to see what issue you're running into on 12.4(15)T8. You may have something else going on (like not deleting the dsp_c5510_flex.rbf file between reloads), or a new bug.


Chris Deren Thu, 01/22/2009 - 14:04

Connect an analog phone with caller ID to the jack instead of the GW and see if you get caller ID there.


Nicholas Matthews Thu, 01/22/2009 - 15:19

A couple of things:

You could be having some fairly complex analog problems, and the FSK is getting distorted (provider problems). The router will be more sensitive to this than an analog phone, I'm guessing.

You may be also running into a bug on IOS. You can try running something like 12.3(14)T7 or the newest 12.4(22)T to see if the issue persists.



bwilloby46 Tue, 02/03/2009 - 19:21

Issue was resolved. Turns out Verizon had missed configured hunt group and caller-id even after they confirmed all was working. Centrex was also on these lines. Telcos.....pretty much says it all. Thanks for all your help everyone.

ahab Wed, 02/04/2009 - 06:45

I am having the same issue. H323 gateway, tried multiple IOS revisions, same config as is working on another H323 gateway in another Canadian facility. I suppose it is time for me to go the telco route.

webberr Wed, 10/28/2009 - 05:58

I'm having the exact same issue. I'll call the provider, but any insight as to what they changed to make it work? It might save some time and aggravation if I knew what needed to be modified.

Thanks in advance!


quynhnt2005 Tue, 07/05/2011 - 20:35


I have the same issue. But in previous time, after using command: caller-id enable, my IP phone can display the call in. It did not display in a month ago. I test the telephone line with analog phone, it is ok. Please help me!



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