Setting up a PBX for Israel<->US communication

[Geoffrey S. Mendelson]

On Wed, Feb 11, 2009 at 01:38:39PM +0200, Gilad Ben-Yossef wrote:
>In your case, 200ms round trip time, assuming a symmetric distribution, 
>of delay (but mind you that the internet isn't really symmetrical...) is 
>100ms one way delay so this is not excellent but not really bad either. 
>In theory, at least, you shouldn't be able to notice this delay in 
>conversation.

Since a VoIP conversation is two way, even if the latency is not
symetrical, one side or the other will experience the higher of the
two sides.

So while peak latency would be better a metric, IMHO ping time is a decent
average.

Geoff.

-- 
Geoffrey S. Mendelson, Jerusalem, Israel gsm at mendelson.com  N3OWJ/4X1GM