We have upgraded our Avaya IpOffice to 4.1. I can now get the call to last beyond the 10s threshold however as soon as that 10s threshold is reached the voice quality begines to distort and eventually becomes unsuable.
The distortion actually starts at exactly the 8 second mark.
We have determined that there is some comabatibility issue with faststart on the Cisco and the Avaya. When the fastart handshake time reaches its limit (10s or so) the call disconnects.
Our Avaya version is 3.x, so our next step is to upgrade the Avaya to 4.x and try it again.
If we disbale...
I have configured an H.323 Gateway in CCM v5.1 in India to an Avaya IP Office in the US.
I can dial 4 digit extensions in both directions without issue. The problem is that the Calls disconnect at exactly 10 seconds on every call.
It seems that the CCM sends a release complete packet at 10...
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