[Asterisk-Users] GSM v iLBC for low bandwidth connections

[Craig]

Hi Brian,

Out of interest, what do you used to measure data throughput and graph
it?

I have been trying to find something to do realtime logging and graphing
of data like this.

craig

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of brian
Sent: Saturday, 15 May 2004 02:45
To: asterisk-users at lists.digium.com
Subject: RE: [Asterisk-Users] GSM v iLBC for low bandwidth connections

http://www.bkw.org/~brian/iax-gsm-vs-sip-g729.gif

Just an FYI

bkw

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> admin at lists.digium.com] On Behalf Of nathan
> Sent: Friday, May 14, 2004 6:32 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] GSM v iLBC for low bandwidth connections
>
> Hi All,
>
> I've been playing with GSM and iLBC over low bandwidth connections
> (central Asterisk box with 2mbps, to ADSL users on 512/256) and both
> seem to perform well. Based upon what I've read in the archives and
> at voip-info.org iLBC should perform a little better if packets are
> lost, than compared to GSM. Do you find this to be true in practice,
> or is GSM just as robust?
>
> Whilst I'm asking questions, in terms of sound quality would there be
> a significant benefit in switching to g.729?
>
> Regards,
> Nathan.
>
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