[Asterisk-Users] Codec negotiation

[niels at wxn.nl]

I don't want that... because 

- for outbound calls I want priority to be g729 first
- for inbound calls I want no priority at all (e.g. the calling asterisk
to decide which codec we will use)

The last doesn't happen..

This by the way DID happen correctly with previous versions of asterisk
(1.0.3 for example) the current CVS-HEAD version doesn't 


-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mohammed
Salim
Sent: dinsdag 25 januari 2005 22:10
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Codec negotiation

The order matters in asterisk so if you want GSM to take priority over
G729,
simply put that ahead of the G729... so your settings should be:

Allow=all
Allow=gsm
Allow=g729
Allow=ulaw
Allow=alaw

Try that and see if it works.

Regards,
Mohammed Salim
EZZI Telecom, Inc.
 
 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mark
Eissler
Sent: Tuesday, January 25, 2005 2:22 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Codec negotiation

The codec is selected by asterisk depending upon the codecs that you 
have allowed for the particular channel context and your setting of the 
bandwidth= parameter.

It would be nice if you could set things up so that an inbound call 
could force * to a higher bandwidth codec when needed (for example, an 
inbound fax call, let's say) but AFAIK this is not possible.

-mark

On Jan 25, 2005, at 10:18 AM, <niels at wxn.nl> wrote:

>
> Hello
>
> On every Incoming SIP and IAX call I see the following in asterisk
> debug:
>
> Accepting AUTHENTICATED call from 10.10.10.10, requested format = gsm,
> requested prefs = (), actual format = g729, my prefs =
> (g729|gsm|g723|g726|ulaw|alaw) priority = mine
>
> The problem is that the codec preference on both parties is different
>
> The calling party has preference gsm/g729/etc
> The called party (the one you see this debug from) has preference
> g729/gsm/etc
>
> The problem is.. This call is now set up with G729... And I want it
> rather to be decided by the callING party (thus want the call to be
> negotiated GSM)
>
> What can I do about this? (I just want that if I receive a call the
> calling party decides the codec, and not my side)
>
> My IAX.conf and SIP.conf have the following allow settings now
>
> Allow=all
> Allow=g729
> Allow=gsm
> Allow=ulaw
> Allow=alaw
>
>
> Help :-)
>
>
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--
Mark Eissler, mark at mixtur.com
Mixtur Interactive, Inc. - at - http://www.mixtur.com

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