Hello, Craig. You wrote 12.04.2007, 16:29:01:
> "... the frequency of voice is not among the most quoted VoIP problems. > Those are rather jitter (poor synchronisation of voice packets arriving) and > no voice at all or packet loss. Actually almost all PSTNs use the 8kHz > frequency that no one has ever complained about before, so necessity for the > HD voice quality is somewhat questionable." In 1981, Bill Gates said that "640 k ought to be enough for anyone" Sounds similar, huh? > http://news.asteriskguru.com/2/4461/2007/3/7/The_truth_about_High_Definition > _VoIP > Well, the pitch "HD Voice" does have a certain marketing appeal....even if > there's not that much real benefit. > Craig > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Mike Hammett > Sent: Thursday, 12 April 2007 3:19 AM > To: 'Commercial and Business-Oriented Asterisk Discussion' > Subject: RE: [asterisk-biz] G.722 VoIP Providers > No. PSTN is 8 kHz and 8 bit. It cannot be 722. > --Mike > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Andrew Joakimsen > Sent: Tuesday, April 10, 2007 11:08 PM > To: Commercial and Business-Oriented Asterisk Discussion > Subject: Re: [asterisk-biz] G.722 VoIP Providers > Is there any PSTN provider in the world that can offer you say a PRI which > uses G722 > On 4/9/07, Guilherme Ges <[EMAIL PROTECTED]> wrote: >> Actually the CODEC name is ITU-T G.722.2 which is identical to the >> GSM-AMR Wideband CODEC. The HD part of the CODEC is its sampling rate >> at 16 kHz, where the "normal" CODECs samples at 8 kHz. >> >> On 4/2/07, Mike Hammett <[EMAIL PROTECTED]> wrote: >> > >> > >> > >> > Better audio quality. I believe it samples at 128 kbit/s (I haven't >> > looked at it in a while to know details) and compresses into 64 >> > kbit/s, resulting in a higher audio quality while not suffering a > bandwidth hit. >> > >> > >> > >> > --Mike >> > >> > >> > >> > >> > >> > >> > >> > >> > From: [EMAIL PROTECTED] >> > [mailto:[EMAIL PROTECTED] On Behalf Of Brian >> > Fertig >> > Sent: Monday, April 02, 2007 12:39 PM >> > >> > To: 'Commercial and Business-Oriented Asterisk Discussion' >> > Subject: RE: [asterisk-biz] G.722 VoIP Providers >> > >> > To: 'Commercial and Business-Oriented Asterisk Discussion' >> > Subject: RE: [asterisk-biz] G.722 VoIP Providers >> > >> > >> > >> > >> > >> > Pardon my ignorance, but what is the big deal about g722? I haven't >> > read up much on it. >> > >> > >> > >> > >> > -- >> > >> > ........::::::::::......... >> > >> > Brian Fertig >> > >> > Director of Engineering >> > >> > Molten, Inc. >> > >> > Delaware Office >> > >> > Office 800.418.4380 x 160 >> > >> > Direct 302.338.9601 >> > >> > >> > >> > >> > >> > From: [EMAIL PROTECTED] >> > [mailto:[EMAIL PROTECTED] On Behalf Of Mike >> > Hammett >> > Sent: Monday, April 02, 2007 1:25 PM >> > To: 'Commercial and Business-Oriented Asterisk Discussion' >> > Subject: RE: [asterisk-biz] G.722 VoIP Providers >> > >> > >> > >> > This is something we should strive for as this is most definitely >> > something the PSTN is unable to provide. >> > >> > >> > >> > --Mike >> > >> > >> > >> > >> > >> > >> > >> > >> > From: [EMAIL PROTECTED] >> > [mailto:[EMAIL PROTECTED] On Behalf Of Bruce >> > Reeves >> > Sent: Monday, April 02, 2007 11:33 AM >> > To: Commercial and Business-Oriented Asterisk Discussion >> > Subject: Re: [asterisk-biz] G.722 VoIP Providers >> > >> > >> > >> > If I remember correctly 1.4 provides pass-thru support and trunk >> > will trans code and have prompts in G722. >> > >> > >> > On 4/2/07, Mike Hammett < [EMAIL PROTECTED]> wrote: >> > >> > >> > Does Asterisk even support 722? I'd love it if it did. >> > >> > >> > >> > --Mike >> > >> > >> > >> > >> > >> > >> > >> > >> > From: [EMAIL PROTECTED] >> > [mailto:[EMAIL PROTECTED] On Behalf Of Glenn >> > Campbell >> > Sent: Monday, April 02, 2007 10:34 AM >> > To: Commercial and Business-Oriented Asterisk Discussion >> > Subject: [asterisk-biz] G.722 VoIP Providers >> > >> > >> > >> > >> > I have been reading about the new Polycom IP650 Phone and the uses >> > of HD Voice. I see that it requires a G.722 codec to work. Most >> > ITSP's that I have been working with do not offer this. >> > >> > Are there any ITSP's that use this technology? I haven't purchased >> > the phone yet, but I am interested in demoing it for myself and some >> > of my customers. >> > >> > Thanks, >> > >> > >> > >> > -- >> > W. Glenn Campbell >> > [EMAIL PROTECTED] >> > Netstar Solutions LLC. >> > http://www.netstarsolutions.com >> > (270) 908.0057 x299 >> > >> > >> > _______________________________________________ >> > --Bandwidth and Colocation provided by Easynews.com -- >> > >> > asterisk-biz mailing list >> > To UNSUBSCRIBE or update options visit: >> > http://lists.digium.com/mailman/listinfo/asterisk-biz >> > >> > >> > >> > >> > -- >> > Bruce Reeves >> > Nortex Networks >> > _______________________________________________ >> > --Bandwidth and Colocation provided by Easynews.com -- >> > >> > asterisk-biz mailing list >> > To UNSUBSCRIBE or update options visit: >> > http://lists.digium.com/mailman/listinfo/asterisk-biz >> > >> > >> >> >> -- >> Guilherme Loch Ges >> >> MSN:[EMAIL PROTECTED] >> (48) 99115299 >> _______________________________________________ >> --Bandwidth and Colocation provided by Easynews.com -- >> >> asterisk-biz mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-biz >> > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz -- Best regards, Sergey mailto:[EMAIL PROTECTED] _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-biz mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-biz
