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New Member

Unity Connection 2.x with PABX

Dear All,

Require help to toubleshoot following issue:

Recently my company introduced BT trading system and using E1 qsig integrated with CUCM7.0.  BT trading system will connect E1 Qsig to Cisco 2851 voice gateway.  cisco CUCM7.1 connect voice gateway via H323.  So far call routing between CUCM7.0 to BT trading phone and BT to CUCM working fine.  But we having problem for the voice mail integration.  Currently we using Unity Connection 2.x.  BT phone can perform voice mai enroll and access voice mailbox without any problem, but don't know why cisco phone user can't leave a voice mail to BT phone subscriber.   I had followed Uniy connecion integration guide http://www.cisco.com/en/US/docs/voice_ip_comm/unity/5x/integration/sip-qsig_gw/guide/cuintqsiggw.html however it fail.

Please help.

4 REPLIES
Bronze

Re: Unity Connection 2.x with PABX

To me, It sounds like a codec mismatch issue. Make sure you have configured a region with the right codec (G.729) at BT side.

MK

New Member

Re: Unity Connection 2.x with PABX

Hi MK,

Do you mean set the codec to G729 at BT PABX system?

Bronze

Re: Unity Connection 2.x with PABX

Yes, you can do that specially if there is a WAN connection btw PBX's?

MK

New Member

Re: Unity Connection 2.x with PABX

Hi MK,

BT PABX and Voice gateway is within server room just beside only.  According to BT engineer, BT Trading system only use G711Ulaw and can't be change.  Is there a way to change in unity connection?

Thanks

Lum

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