On Tuesday 09 March 2004 10:43, Michael Shuler wrote: > Yes, that's a "feature" of that box. Every other IAD/MG is the other way > around. The 188 has no problems doing all on both ports. > its possible with asterisk convert from g723 to g729 ?
> ---------------------------------------- > > Michael Shuler, C.E.O. > BitWise Systems, Inc. > 1301 W. Pioneer Parkway > Peoria, IL 61615 > Office: (217) 585-0357 > Cell: (309) 657-6365 > Fax: (309) 213-3500 > E-Mail: [EMAIL PROTECTED] > Customer Service: (877) 976-0711 > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > [EMAIL PROTECTED] > > Sent: Tuesday, March 09, 2004 2:24 AM > > To: [EMAIL PROTECTED] > > Subject: [Asterisk-Users] Re: Most common CODEC > > > > Michael Shuler writes: > > > G.729 is just about everywhere. A lot of boxes use G.723 > > > > (and/or G.726) too > > > > > but G.729 ends up with about the same quality but at a much > > > > lower bit rate. > > > > > Most inexpensive "hard" phones don't use G.723 because it > > > > takes a lot of CPU > > > > > power. G.729 gets better results in the same or less CPU. > > > > We always try to > > > > > use phones supporting G.729, anything else is just gravy. > > > > If you can use > > > > but cisco ata 186 (2 channels) > > can work with only single channel, when using g729 codec ... > > and can use both channels with g723. > > > > > reinvites then you have no need for the G.729 unless you > > > > use the IVR, MOH, > > > > > etc. features of * where it is dishing out audio. Even > > > > then you have to > > > > > consider if its worth it... After all if you are starting > > > > hosted VM company > > > > > using * then the G.729 is a must, but if you are just using > > > > to route calls > > > > > between 2 phones that can reinvite then the codec > > > > capabilities of * don't > > > > > matter. > > > > > > ---------------------------------------- > > > > > > Michael Shuler, C.E.O. > > > BitWise Systems, Inc. > > > 1301 W. Pioneer Parkway > > > Peoria, IL 61615 > > > Office: (217) 585-0357 > > > Cell: (309) 657-6365 > > > Fax: (309) 213-3500 > > > E-Mail: [EMAIL PROTECTED] > > > Customer Service: (877) 976-0711 > > > > > >> -----Original Message----- > > >> From: [EMAIL PROTECTED] > > >> [mailto:[EMAIL PROTECTED] On Behalf Of > > >> Carlos Chavez > > >> Sent: Monday, March 08, 2004 11:11 PM > > >> To: [EMAIL PROTECTED] > > >> Subject: Re: [Asterisk-Users] Most common CODEC > > >> > > >> > > >> On Mon, 8 Mar 2004 23:45:44 -0500, Andrew Kohlsmith wrote > > >> > > >> > > G.729 is the best codec IMHO. Goto > > >> > > http://www.packetizer.com/iptel/bandcalc.html to get the > > >> > > >> real scoop. > > >> > > >> > IMO ILBC beats G.729 in terms of quality, especially in > > >> > > >> environments > > >> > > >> > where packet loss can occur. It's about the same > > > > computationally- > > > > >> > speaking but it's also royalty-free. > > >> > > > >> > GSM is my second choice but it eats quite a bit more > > > > bandwidth in > > > > >> > comparsion. > > >> > > > >> > That packetizer link has no comparisons with any OSS > > > > codecs, which > > > > >> > is unfortunate because it seems to pass itself off as an > > >> > authoritative source on bandwidth use in IP telephony. > > >> > > >> I am not trying to start a codec war or find out which > > >> is the best > > >> protocol. What I need to know is when I buy a Grandstream > > >> phone, a Cisco > > >> phone, a Sippura adaptor or any other hard phone, what codec > > >> is usually > > >> supported by all of them. All of them obviously support > > >> G.711 but that is not > > >> the best for use when connecting through the Internet. Is it > > >> worthwhile to > > >> buy G.729 licenses for Asterisk, or is there another codec > > >> that is wildly > > >> supported buy most phones? > > >> > > >> -- > > >> Carlos Chavez > > >> Computer Engineer, CCNA > > >> Corporativo Lacer S.A. de C.V. > > >> > > >> _______________________________________________ > > >> Asterisk-Users mailing list > > >> [EMAIL PROTECTED] > > >> http://lists.digium.com/mailman/listinfo/asterisk-users > > >> To UNSUBSCRIBE or update options visit: > > >> http://lists.digium.com/mailman/listinfo/asterisk-users > > > > > > _______________________________________________ > > > Asterisk-Users mailing list > > > [EMAIL PROTECTED] > > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > To UNSUBSCRIBE or update options visit: > > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > _______________________________________________ > > Asterisk-Users mailing list > > [EMAIL PROTECTED] > > http://lists.digium.com/mailman/listinfo/asterisk-users > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
