What type of modem are you using. If Zyxel or other consumer level try restarting and feel the box to see if it is hot. I do like the consumer level products but heat is there enemy. This could also be caused by out of date DNS server settings.
On 4/16/05, Wilson Pickett <[EMAIL PROTECTED]> wrote: > Slightly OT but if you know much about networks, please read and maybe you > can suggest some things. > > I have been running asterisk for about 1 year. Currently running 1.0.6 with > 2 X100P and 1 TDM400P with 3 FXS modules on a Pentium III-800 with 512M RAM. > The system performs very well for both POTS and voIP. > > The box is connected to a fixed ip DSL line at 2048/256. > It registers with several SIP and IAX providers, three remote SIP phones, > one remote IAXy. > > There is often one provider or phone that will become unreachable for a > moment, and I'm sure this happens on most DSL soho/home type connections. It > isn't a problem and doesn't usually cause any symptoms except perhaps very > occasional breaking up. > > About 10 days ago, I started seeing message where ALL providers and phones > would become "UNREACHABLE" for about 10 seconds, then the same packagae of > messages saying they were now REACHABLE. This happens about every 20-60 > minutes, usually at least once every two hours or so. > > When this UNREACHABLE messages begins, ALL network data flow stops. If I am > in ssh session, it looks like a disconnect, but about 10 secs later, I have > the console again. > > Naturally, I contacted our ISP who finally saw some packet loss at the same > time as I saw the "freeze". They contacted their upstream who didn't see any > problems and now they are contacting the phone company. > > I have tried the following debug techniques: > > 1) watched traffic on another box connected to same router and see same > problem (ping stops) > 2) swapped out router - problem persisted > 3) changed eth0 card > 4) swapped DSL phone filter and disconnected other extension > 5) did a tcpdump and caught a freeze but see nothing unusual in the traffic > > Needless to say, this condition makes voIP useless at a professional level. > For personal use we need to tell people that if they suddenly hear silence > for 10 seconds to "hold on and wait til the connection comes back", not > really great. > > While I'm waiting for the third service to check, if anyone has any > suggestions or ideas to pursue, please send them either on or off list. > > tia > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > -- Andrew Latham http://www.lathama.com [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] If any of the above are not working, we have bigger problems than my email. _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users