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New Member

Built In Bridge recording problem

Dear all,

I have a problem when configuring recording with Callrex Recording. I use Silent Monitoring and Call Recording features instead of SPAN method.

I have prepared everything for this method and tried the below scenarios:

Phone A (7911G): Built in bridge enable, automatic recording enable

Phone B (7911G): Built in bridge enable, automatic recording enable

1. Making call from phone A to PSTN, Callrex recording is triggered and the call is recorded successfully.

2. Making call from phone B to PSTN, Callrex recording is triggered and the call is recorded successfully.

3. Making call from phone A to phone B, Callrex just show up "On Phone" status, not "Recording" <-- This is the problem.

I use Wireshark to capture packet from Recording server. In the 1st and 2nd scenario, I see RTP streams are being sent from IP Phone to Recording Server. In the 3rd case, there are not any RTP steam appears on recording server.

So, is there any additional configuration in my case? Please help me to solve this, thank you very much.

3 REPLIES
New Member

Re: Built In Bridge recording problem

Mr. Ho,

Did you change the CallRex Call Control service and Call Recording service configuration to Forked Audio?  It seems like you might still be relying on port mirroring.

This article should clear up the steps:

http://help.telrex.com/call_recording/default.aspx?pageid=forked_audio

Also, feel free to email support@telrex.com if you have more questions.

New Member

Re: Built In Bridge recording problem (forked audio)

Dear Jill,

Thanks for your reply. Yes of course I have changed the service to Cisco forked audio. If not, it can not record the call from my IP Phone to PSTN

I have captured the packet on my Recording server (/w Wireshark), the problem is there is no RTP stream come to my server when making a call between 2 IP Phones. There are a lot RTP when making a call from IP Phone to PSTN. So I think the problem is coming from CUCM, right? If you have any experience when implementing forked audio, please help me, thank you very much.

New Member

Re: Built In Bridge recording problem (forked audio)

Mr. Ho,

I agree that this could be a CUCM configuration issue.  Within CUCM a SIP trunk and Route patterns must be configured. 

This Cisco link, http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_0_1/ccmfeat/fsmr.html#wp1066324, and this Telrex link, http://help.telrex.com/call_recording_39/, provide the necessary information.  If you need assistance after carefully reviewing these articles, please email support@telrex.com.

Thank you,

Jill

Message was edited by: jillmajors -- links to Telrex.com updated.

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