> Lonnie Abelbeck wrote:
>> Matt,
>>
>> Interesting results.
>>
>> I wonder if you used a SIP trunk (to SER or such) instead of IAX2, the
>> Net4801 would be more efficient?
>
> Well, if you had canreinvite=yes for the SIP accounts then sure, it's
> going to jump out of the way.
Matt,

I'm just saying with canreinvite=no, SIP vs IAX2, the Net4801 has more 
work to do trunking via IAX2 vs SIP.

Maybe the CPU horsepower difference is very small, but combining all 
the voice streams into one stream, in a timely manner, doesn't seem 
like a small thing to me.

For VoIP service providers, IAX2 does not scale, but SIP can scale 
nicely.  Maybe there are lessons that apply to the embedded systems as 
well.

My VoIP provider, teliax.com, has IAX in their name, but publicly admit 
that the voice quality is better if asterisk users trunk via SIP 
instead if IAX2.  Teliax's users agree with this recommendation, as 
much as we like IAX2.

Lonnie

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