Just come across a problem - we have sent out heaps of PAP-2 ATA's and just discovered that when joined in a conference they are choppy on the up leg (so the other users in the conference will hear them with a choppy sound) but the down leg is perfectly fine (so the end user can hear the conference participants perfectly).

I have tested the same setup with different brands of ATA's and with IP phones and there aren't any problems. I have also tested a couple of different codecs (g729 and ulaw) and the problem seems to still exist.

The problem happens when the ATA is both internal and external to the VoIP server network.

Does anyone have any suggestions?


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fn:Stuart Elvish
n:Elvish;Stuart
org:Dallas Delta Corporation Pty Ltd;Voice Networking Directorate
adr:;;102 Albert Street;East Brunswick;VIC;3057;Australia
email;internet:[EMAIL PROTECTED]
title:Voice Networking Engineer
tel;work:03 9387 7445
tel;fax:03 9387 3128
tel;cell:0408 873 601
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url:http://www.dallasdelta.net
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