Thanks all, but what is the bandwith for g722 or g711? g711 or g722 are licensed?? In the case of that codecs what's the recomended bandwith? thanks in advance, Jose ----- Original Message ----- From: "Jeff Brower" <jbrower@xxxxxxxxxxxxxx> To: "Adrian Georgescu" <ag at ag-projects.com> Cc: <pjsip at lists.pjsip.org> Sent: Thursday, June 24, 2010 2:11 PM Subject: [SPAM] - Re: Codecs - Email found in subject > Adrian- > >> > 1) G711 has highest voice quality. What is your reason not to use it? >> > Bandwidth? >> > CPU resources? Compatibility with your endpoints? >> >> G711 is a poor choice quality wise. It i narrow band and does not cope >> well with packet loss. >> >> Use speex or G722 if quality is relevant for you. > > Which carriers support Speex and G722? > > If you have control of both endpoints it's reasonable. But if not it's > questionable. > > -Jeff > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > sip_lists.pjsip.org