I don't know if it matters, but some versions of the Cisco 7960 firmware have a bug where there is an echo if the volume is over 75%..
Might want to try lowering the volume below 75%, and trying again.. Nathan On Fri, 14 Mar 2003, Mike Reiling wrote: > No, since the echo happens even when calling locally. Should I turn it > on for the T100P (analog phones attached to channel bank)? > > Thank, > Mike > > On Friday, March 14, 2003, at 12:18 PM, Richard Tomson II wrote: > > > Have you turned on the echo cancellation on the X100P? > > Check the zaptel Makefile. I use the Mark2 with Aggressive_suppressor. > > > > Rich. > > > > On Fri, 2003-03-14 at 10:42, Mike Reiling wrote: > >> Hello everyone, > >> I finally got my Cisco 7960. Seems like a very nice phone. I have > >> it > >> configured for SIP and working with asterisk. But, I am having some > >> echo problems. The person I call does not hear an echo, but I hear my > >> own voice echo back to me about .5 seconds later (maybe a little > >> less). > >> Does not matter if I call an internal Zap extension, or outbound > >> over > >> my X100P. I changed the codecs, around and the one that gives the > >> least amount of echo is g729a. > >> > >> It is plugged in my office, but my asterisk server is in the attic, > >> with a wireless link. Could that be a problem. There is very minimal > >> latency. A traceroute from the phone shows this: > >> > >> SIP Phone> traceroute cartman > >> traceroute to cartman(192.168.100.3), 30 hops and 40 byte packets > >> SIP Phone> > >> 1) 192.168.100.3 10ms 1ms 10ms > >> > >> The server is a celeron 433. Should I toss a faster processor at the > >> computer, or is it the wireless link? I can't really image it being > >> the wifi link, as VOIP works over the internet, with much higher > >> latency. > >> > >> Any suggestions? > >> > >> Thanks, > >> Mike > >> > >> _______________________________________________ > >> Asterisk-Users mailing list > >> [EMAIL PROTECTED] > >> http://lists.digium.com/mailman/listinfo/asterisk-users > > > > > > _______________________________________________ > > Asterisk-Users mailing list > > [EMAIL PROTECTED] > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > -- > Mike Reiling > Systems & Network Administrator > SoftCoin, Inc. > 2000 Sierra Point Parkway > Brisbane, CA 94005 > 650-624-3869 - P > 650-624-3899 - F > > It might look like I'm doing nothing, but at the cellular level I'm > really quite busy. > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
