[cisco-voip] Silly question...

Wes Sisk wsisk at cisco.com
Fri Feb 29 16:24:07 EST 2008


ITU G.168:

http://www.itu.int/rec/T-REC-G.168-200701-I/en

or the short version:
http://www.cisco.com/en/US/customer/prod/collateral/voicesw/ps6790/gatecont/ps5640/prod_white_paper0900aecd806780df.html
"Delay and Jitter
The telephone industry standard specified in ITU-T G.114 recommends the 
maximum desired one-way delay be no more than 150 milliseconds. With a 
round-trip delay of 300 milliseconds or more, users may experience 
annoying talk-over effects."


Jonathan Charles wrote:
> OK, really quick, what is the maximum recommended ROUND TRIP delay for
> decent voice quality?
>
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> Jonathan
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