[Freeswitch-dev] question about codecs negotiation

[Georgiewskiy Yuriy]

On 2009-10-31 10:53 -0400, Michael Jerris wrote freeswitch-dev at lists.freesw...:

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

ок, iax not use rtp, but MGCP use it, if some people write module for it, 
he need construct sdp anyway to proxy media for example between h323 and MGCP?

MJ>On Oct 31, 2009, at 10:37 AM, Georgiewskiy Yuriy wrote:
MJ>
MJ>> On 2009-10-31 10:24 -0400, Michael Jerris wrote freeswitch-dev at lists.freesw 
MJ>> ...:
MJ>>
MJ>> MJ>The only way to do this that I can think of easily is to convert  
MJ>> your
MJ>> MJ>codec data to an sdp string that can be set on the channel.
MJ>>
MJ>> it's not true way im my mind, there is another protocol endpoints,  
MJ>> for example iax,
MJ>> if call scheme like h323->fs->iax i need 2 differen converter one to  
MJ>> sip sdp and one
MJ>> to iax? i think clearer way to pass codecs to some kind of global  
MJ>> var for a call,
MJ>> and each ebdpoints module will take it from there and konvert in his  
MJ>> own format
MJ>> himself, any other ideas?
MJ>>
MJ>>
MJ>> MJ>Mike
MJ>> MJ>
MJ>> MJ>On Oct 31, 2009, at 8:57 AM, Georgiewskiy Yuriy wrote:
MJ>> MJ>
MJ>> MJ>>
MJ>> MJ>> Hi, i already post it in freeswitch-users but nobody reply, now  
MJ>> try
MJ>> MJ>> there.
MJ>> MJ>>
MJ>> MJ>> I have  questions about fs and not sip protocols,
MJ>> MJ>> call scheme like this - user1-sip->fs-sip->user2, as i see if  
MJ>> in sip
MJ>> MJ>> profile enable inbound-proxy-media SDP is goes
MJ>> MJ>> end-to-end if sip is on both call legs, if call goes throuch  
MJ>> another
MJ>> MJ>> protocol module, for example my mod_h323 (call scheme like  
MJ>> user1-sip-
MJ>> MJ>> >fs-h323->someH323Ep) there is no way to negotiate codec  
MJ>> because i
MJ>> MJ>> have no SDP from called party for example and have no way to  
MJ>> insert
MJ>> MJ>> it on sip leg, or i don't see this way?
MJ>> MJ>>
MJ>> MJ>> This issue slow down my development, especially t38 part  
MJ>> becouse i
MJ>> MJ>> don't known
MJ>> MJ>> how to resolve this in true way.
MJ>> MJ>>
MJ>> MJ>> C уважением                       With Best Regards
MJ>> MJ>> Георгиевский Юрий.                Georgiewskiy Yuriy
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MJ>> Георгиевский Юрий.                Georgiewskiy Yuriy
MJ>> +7 4872 711666                    +7 4872 711666
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MJ>> Компания ООО "Ай Ти Сервис"       IT Service Ltd
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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-RIPE