> I was looking for this info and thought I'd post it here for all.
> 
> Codec       BR       NEB
> G.711     64 Kbps  87.2 Kbps
> G.729      8 Kbps  31.2 Kbps
> G.723.1  6.4 Kbps  21.9 Kbps
> G.723.1  5.3 Kbps  20.8 Kbps
> G.726     32 Kbps  55.2 Kbps
> G.726     24 Kbps  47.2 Kbps
> G.728     16 Kbps  31.5 Kbps
> 
> BR = Bit rate
> NEB = Nominal Ethernet Bandwidth
> ( from http://www.terracall.com/FAQs.asp )
> 
> Rgds.,
> 
> F. Rodriguez
> 
----- Original Message ----- 
From: "dkwok" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, January 21, 2004 6:59 AM
Subject: [Asterisk-Users] Brandwidth for making internet calls


> My ADSL connection speed is 512Kb up and 128Kb down.
> 
> When making calls from Asterisk to IAX and back to the Asterisk, the 
> sound is choppy and 20% of voice messages was lost. What is the 
> production bandwidth requirement per internet call. I understand there 
> is no guarantee of QoS but at least a benchmark to follow.
> 
> -- 
> David Kwok
> 
> Iaxtel/FWD # 17001813482
> 
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