Rob, as I mentioned before, here the main trunk is a T1 PRI on which this
customer face this problem. Local phones are connected to the Asterisk
server on their local network, and then calls go through the PRI. There is a
VoIP trunk too only for long distance, and same problem happens there. So I
was thinking its the network issue.

On 6/1/07, Rob Schall <[EMAIL PROTECTED]> wrote:

 We have the same problem with our system. Unless you have a solid (not
just high speed) connection between the 2 parties, you're going to get
silence a few times during the call. We had set up a user on a business
comcast high-speed, thinking that would be more than enough. Turned out
though, with most high speed solutions, there is some limited packet loss
and its just to be expected. You internet browsers, etc, would normally just
re-request the packet and move on, but with a stream, you're out of luck.
The only real solution is to have a dedicated T1 or mpls connection or
something like that for perfect quality. We have solid connections between
our offices and haven't had a problem yet.

Steve Hanselman wrote:

 You can use tcpdump or ethereal (wireshark now) to capture the stream and
then see if there was loss during the call, just leave a capture going then
get your users to mark out the time at which they encountered the silence,
compare this to the server time (e.g. their watch to the server) to get a
time difference, then figure out what time you need to look at in the trace.





Steve


 ------------------------------

*From:* [EMAIL PROTECTED] [
mailto:[EMAIL PROTECTED]<[EMAIL PROTECTED]>]
*On Behalf Of *Zeeshan Zakaria
*Sent:* 01 June 2007 13:02
*To:* Asterisk Users Mailing List - Non-Commercial Discussion
*Subject:* Re: [asterisk-users] Audio going blank for a few seconds
andthencomes back. What could be the reason?



There are some remote extensions connected on this system, and calling
long distance is purely on voip. These remote extensions also face the same
thing, i.e. audio going blank for a few seconds, when dialing long
distance. So in this case, no PRI is involved. Its either the server, or the
network. Now I don't know how to find out what is it and why?

On 6/1/07, *Steve Hanselman* <[EMAIL PROTECTED]> wrote:

I think this is more related to the PRI, we've been seeing this for a few
weeks now, and our environment is bridged PRI-PRI on the same board.



Steve



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