In theory I would say I agree how ever in practice... I have a PBX (Merlin Legend) that I am connected to via PRI (10 foot pre-fab'ed cable) and I get intermittent echo on the voip side. There is nothing in between * and the PBX...
sean On Fri, 2006-03-03 at 13:42 -0600, Michael Sampson wrote: > It is my understanding that when you hear echo the problem is on the > other end. So if a caller complains they hear echo that is something > you should be dealing with, but if you hear echo that is the phone > companies fault. Now with a normal phone, the phone company will only > echo cancel long distance calls. For local calls the latency is not > high enough to matter. But with VOIP the added latency creates echo > even for local calls. I think the reason you hear it on some numbers > and not others is that the phone companies are doing echo cancel on > some of those calls and not on others. > Michael Sampson > Information Systems Manager > Customer Contact Services > [EMAIL PROTECTED] > 952-936-4000 > > > Kerry Garrison wrote: > > On a 55 station install onto a Cox PRI with a TE110P (Polycom 501 > > phones) a few users are complaiining about echo. According to the > > users, the echo seems to be phone number dependant. They claim that > > certain phone numbers have echo while others dont. Are there any > > tuning parametes like there is for a TDM400 card? > > > > Kerry Garrison > > Director of Technical Services > > Tech Data Pros - Orange County's Mobile IT Service Provider > > (949) 502-7819 x200 - [EMAIL PROTECTED] > > http://www.techdatapros.com > > > > > > ____________________________________________________________________ > > > > _______________________________________________ > > --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 _______________________________________________ --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
