02-07-2007 11:11 PM - edited 03-14-2019 07:55 PM
What is the maximum delay that IP Telephony
Solution can tolerate?
02-08-2007 02:50 AM
Hello,
One-way transmit delay should not exceed 150 ms (per G.114 recommendation).
Bye
Jo
02-08-2007 03:43 AM
Do not take the 150ms as an hard limit all the time.
I was on a skype conversation yesterday that had an average roundtrip of about 1 sec, plus the peer-to-peer routing by skype that I'm unable to evaluate. We were able keep an almost normal conversation after all, altought at the same time the delay was noticeable. I routinely call across the Ocean with a cisco solution and you cannot tell the difference with calling next room
I think that the time the recommendations were written, no advantaged de-jitter and echo cancellation algorithms were largely available as today. I find that they do an excellent job at concealing delay, packet loss, etc.
02-12-2007 02:18 AM
true,
i am wokring on 500 ms delay over satellite.
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