[asterisk-biz] G.722 VoIP Providers

[Craig Lawrence]

"... 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."

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: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] 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: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] 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 <glwgoes at gmail.com> 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 <asterisk-biz at ics-il.net> 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: asterisk-biz-bounces at lists.digium.com
> > [mailto:asterisk-biz-bounces at lists.digium.com] 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: asterisk-biz-bounces at lists.digium.com
> > [mailto:asterisk-biz-bounces at lists.digium.com] 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: asterisk-biz-bounces at lists.digium.com
> > [mailto:asterisk-biz-bounces at lists.digium.com] 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 < asterisk-biz at ics-il.net> wrote:
> >
> >
> > Does Asterisk even support 722?  I'd love it if it did.
> >
> >
> >
> > --Mike
> >
> >
> >
> >
> >
> >
> >
> >
> > From: asterisk-biz-bounces at lists.digium.com
> > [mailto:asterisk-biz-bounces at lists.digium.com] 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
> > wcampbell at netstarsolutions.com
> > Netstar Solutions LLC.
> > http://www.netstarsolutions.com
> > (270) 908.0057 x299
> >
> >
> > _______________________________________________
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> >
> >
> >
> >
> > --
> > Bruce Reeves
> > Nortex Networks
> > _______________________________________________
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> >
> > asterisk-biz mailing list
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> >
> >
>
>
> --
> Guilherme Loch Ges
>
> MSN:glwgoes at gmail.com
> (48) 99115299
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> asterisk-biz mailing list
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