Hi, I'm about to leave for work, but I will send you a email from work. We're having similar problems with our setup, and we're been working on it for two weeks now. I would like to share notes with you to see if we can find anything.
thanks, Singer Wang On Wed, 2006-12-06 at 14:10 +0100, Thomas RULMONT wrote: > Hello, > > We have a problem on a recent asterisk install with Polycom 30x > phones; > Sometimes (can not reproduce or find the logic of the problem after > one week one analysis), the called party (even incoming or outgoing > call) can not hear the calling party, as other flow works (caller > hears called). This occurs between 5 and 10% of the time. > > The configuration is the following: > - Asterisk 1.2.9.1 > - Zaptel 1.2.6 > - Libpri 1.2.3 > - chan_misdn 0.3.1-rc17 > - 6 Polycom IP300 (firmware 1.6.3.0067) > - 1 Polycom IP301 (same firmware) > - 2 Grandstream HT487 1.0.7.11 ATA > - 1 2*BRI ISDN card from Beronet working in P2P TE mode > - Standard Supermicro server P4 3.0GHz 1GB RAM RAID 1 > > The problem only occurs with Polycom phones, since we add the 301 > (never used) on the network. > > SIP caracteristics: > * no reinvite (occurs also with reinvite) > * ulaw > * No NAT, dynamic addresses > * 240 seconds between registrations > > RTP on ports 2220 to 31000 > > > After sniffing packets while not working, it seems packets are > correctly sent on the negotiated ports, example: > INVITE from asterisk to polycom with RTP 15126 > OK from polycom to asterisk with RTP 2236 > ACK from asterisk to the polycom > Bi-directional UDP Flow between 2236 <--> 15126 until BYE (with > asterisk in the path as reinvite is no set) > > Does anyone have any idea one the cause of this strange situation ? > > Thomas. > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
