Tim Connolly wrote:
On that note... IPSec tunnels seem to reek havoc on the echo
canceling/training process. Anytime our Cisco PIX loads up, the echo
complaints start coming in. Stay away from the IPSec tunnels.
Any idea why that would happen? Obviously on a 4-wire end-to-end system
echo cancellation is not an issue. But since your PIX is not part of
the 2-4 wire conversion why would it impact your echo cancellation
unless the inaudible added latency is throwing off the training algorythms?
Also echo cancellation, if I understand correctly, should affect only
systems where there is a 2-4 wire conversion (i.e. analog to digital).
If there is no such conversion, then this should not be a concern.
Best Wishes,
Chris Travers
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