On 08/03/2010 04:21 PM, Philipp von Klitzing wrote:
> Also:
>
> There are at least two implementations of the g726 codec, i.e. g726 and
> g726aal2. For this also look at the g726nonstandard setting in sip.conf.
> It is quite possible that your problem is here.
>
I have the following setting in sip.conf :
g726nonstandard = no ; If the peer negotiates G726-32 audio,
use AAL2 packing
; order instead of RFC3551 packing
order (this is required
; for Sipura and Grandstream ATAs,
among others). This is
; contrary to the RFC3551
specification, the peer _should_
; be negotiating AAL2-G726-32 instead
(so it uses RFC3551)
> For quick testing to see if the codec works at all: Configure your phones
> to do g726 only (so no alaw/ualaw at all).
>
Only when I configure my Grandstream to use only G726 (I have 8
choices), I see that the g726-codec is used.
When I configure 7 x g726 and 1 x alaw, then again alaw is used !
Is it normal that Asterisk has such a great preference for alaw ?! The
moment the peer suggests codec alaw (even if it is last choice), alaw is
chosen by Asterisk for the communication.
Kind regards,
Jonas.
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