The problem appears mostly on outgoing calls SIP-PSTN but not only. 10% of all alerts are internal calls. I had the chance to notice the problem once myself but I could never again reproduce.
Best regards, Loic Didelot. On Tue, 2008-07-01 at 18:03 +0300, Tzafrir Cohen wrote: > On Tue, Jul 01, 2008 at 02:38:25PM +0200, Loic Didelot wrote: > > Hello, > > one of my customers complained about bad voice quality on several calls, > > so I programmed a button on each phone which users can hit if they have > > audio drops and echo. > > > > I did this to check if there is a common recurrent problem to a given > > destination or just for one user etc... But till now I could not detect > > a pattern which could explain the problems > > > > This "alert button" is pressed between 7%-10% of all calls. The customer > > has 25 phones and around 300 calls per day. > > > > The SNOM phones are connected to Linksys switches and are totaly split > > from the computers network. The same goes for the asterisk box. No calls > > are routed trough the internet. > > Phone -> Local Lan -> Asterisk -> Zaptel (Junghanns BRI card) -> Carrier > > Are the problems in SIP->PSTN calls? SIP->SIP calls? > PSTN->Local? (echo test, playback, whatever) > > SIP->PSTN or PSTN->SIP (what direction is the call)? > > 7% is something you have hope of reproducing. Unless you miss the real > factor. Have you managed to reproduce it yourself? > > > > > The carrier we use is known for his good quality and we never had a > > problem. It is the historic and most expensive carrier in Luxembourg. > > > > Asterisk is running on a 1GHZ VIA CPU with 1GB RAM box. They have a > > maximum of 6 concurrent calls. > > > > Maybe someone can help me to track down the problem. What should I > > check, monitor test. Any ideas are welcome. > -- Loïc DIDELOT MIXvoip S.a. [EMAIL PROTECTED] http://www.mixvoip.com _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- AstriCon 2008 - September 22 - 25 Phoenix, Arizona Register Now: http://www.astricon.net asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users