[Freeswitch-dev] question about codecs negotiation

Michael Jerris mike at jerris.com
Sat Oct 31 07:53:05 PDT 2009


your of course not going to be able to proxy media or bypass media  
with iax, it does not use rtp.


On Oct 31, 2009, at 10:37 AM, Georgiewskiy Yuriy wrote:

> On 2009-10-31 10:24 -0400, Michael Jerris wrote freeswitch-dev at lists.freesw 
> ...:
>
> MJ>The only way to do this that I can think of easily is to convert  
> your
> MJ>codec data to an sdp string that can be set on the channel.
>
> it's not true way im my mind, there is another protocol endpoints,  
> for example iax,
> if call scheme like h323->fs->iax i need 2 differen converter one to  
> sip sdp and one
> to iax? i think clearer way to pass codecs to some kind of global  
> var for a call,
> and each ebdpoints module will take it from there and konvert in his  
> own format
> himself, any other ideas?
>
>
> MJ>Mike
> MJ>
> MJ>On Oct 31, 2009, at 8:57 AM, Georgiewskiy Yuriy wrote:
> MJ>
> MJ>>
> MJ>> Hi, i already post it in freeswitch-users but nobody reply, now  
> try
> MJ>> there.
> MJ>>
> MJ>> I have  questions about fs and not sip protocols,
> MJ>> call scheme like this - user1-sip->fs-sip->user2, as i see if  
> in sip
> MJ>> profile enable inbound-proxy-media SDP is goes
> MJ>> end-to-end if sip is on both call legs, if call goes throuch  
> another
> MJ>> protocol module, for example my mod_h323 (call scheme like  
> user1-sip-
> MJ>> >fs-h323->someH323Ep) there is no way to negotiate codec  
> because i
> MJ>> have no SDP from called party for example and have no way to  
> insert
> MJ>> it on sip leg, or i don't see this way?
> MJ>>
> MJ>> This issue slow down my development, especially t38 part  
> becouse i
> MJ>> don't known
> MJ>> how to resolve this in true way.
> MJ>>
> MJ>> C уважением                       With Best Regards
> MJ>> Георгиевский Юрий.                Georgiewskiy Yuriy
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> C уважением                       With Best Regards
> Георгиевский Юрий.                Georgiewskiy Yuriy
> +7 4872 711666                    +7 4872 711666
> факс +7 4872 711143               fax +7 4872 711143
> Компания ООО "Ай Ти Сервис"       IT Service Ltd
> http://nkoort.ru                  http://nkoort.ru
> JID: GHhost at jabber.tula-ix.net.ru JID: GHhost at jabber.tula-ix.net.ru
> YG129-RIPE                        YG129- 
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