[Asterisk-Users] IAXy and bandwidth requirements

[Michael George]

On Jun 17, 2004, at 10:18 PM, Brian K. West wrote:
> g726 is 16,24,32 and 48k asterisk only does g726-32k.  The iaxy 
> doesn't do
> g726 it does ADPCM as g726 is too complex for the iaxy to do.
>
> So in this case g711ulaw/alaw is all you have to choose from.

Okay, that's what it looked like.  So the IAXy is intended for an 
internal network installation, not to be used as a VOIP by itself.

Thanks for the informaion/confirmation!

> ----- Original Message -----
> From: "Michael George" <george at auroravideosys.com>
> To: <asterisk-users at lists.digium.com>
> Sent: Thursday, June 17, 2004 7:43 PM
> Subject: [Asterisk-Users] IAXy and bandwidth requirements
>
>
>> In the mailing list archives, I found a message that indicates that 
>> the
>> IAXy has the ulaw, alaw, and g726 codecs, but I cannot find anything
>> official on Digium's site about it.  The Installation Manual has an
>> example iax.conf file that indicates the ulaw codec, so I know that 
>> one
>> is good.
>>
>> But we are thinking about using the IAXy over a VPN, to replace our
>> MultiVoip.  alaw and ulaw are 64kbps, which is too much for our 
>> tunnel.
>>   G726 would be good if is has decent sound quality at 16kbps.  We
>> currently use MultiVoip's Netcoder at 9.6kbps which works fine.
>>
>> So, is there an official statement somewhere about which codecs the
>> IAXy supports?
>>
>> Thanks!
>> -Michael
>>
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-Michael