[Freeswitch-users] Codec Transcoding issue

Ken Rice krice at freeswitch.org
Tue Dec 29 16:40:23 MSK 2015 

FreeSWITCH Support transcoding for G729, you just need to go purchase a license for mod_com_g729.  This is due to patents.

 

 

 

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Vitaly Kovalyshyn
Sent: Tuesday, December 29, 2015 7:01 AM
To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
Subject: Re: [Freeswitch-users] Codec Transcoding issue

 

I propose that You try to use G729 with transcoding. But, FreeSWITCH supports only bypass mode for G729 and G723.1


Best regards, 
Vitaly Kovalyshyn

http://kovalyshyn.pp.ua/
Twitter: @kovalyshyn

http://вебітел.укр/

 

On 29 груд. 2015 р., at 14:57, Rutu Patel <rutu.patel at inextrix.com <mailto:rutu.patel at inextrix.com> > wrote:

 

Hi Sergey,

Thanks for the correction.

Freeswitch now offers all 3 codecs defined as absolute_codec_string='^^:G729:PCMU:PCMA' .

Its ringing but when I pick up the call it disconnect with INCOMPATIBLE_DESTINATION .


Here is the freeswitch logs http://pastebin.com/g6jkQgY2

Please assist me if I am missing something.




--
Thanks,
Rutu Patel

 

On Tue, Dec 29, 2015 at 1:41 PM, Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com> > wrote:

In callog on my FS server 

absolute_codec_string='^^:PCMU:PCMA'

 

Sergey

 

On Tue, Dec 29, 2015 at 8:01 AM, Rutu Patel <rutu.patel at inextrix.com <mailto:rutu.patel at inextrix.com> > wrote:

Hi Vitaly,

Thanks for reply.

I have tried that but getting something like below and call is failing with same cause.

EXECUTE sofia/default/98989 at 196.xx.xx.xx <mailto:sofia/default/98989 at 196.xx.xx.xx>  set(absolute_codec_string='G729,PCMA,PCMU')
2015-12-29 06:52:48.885277 [DEBUG] mod_dptools.c:1498 SET sofia/default/98989 at 196.xx.xx.xx <mailto:sofia/default/98989 at 196.xx.xx.xx>  [absolute_codec_string]=['G729,PCMA,PCMU']
EXECUTE sofia/default/98989 at 196.xx.xx.xx <mailto:sofia/default/98989 at 196.xx.xx.xx>  limit_execute(db TestGW gw_TestGW 2 bridge {media_mix_inbound_outbound_codecs=true,absolute_codec_string='G729,PCMA,PCMU'}sofia/gateway/TestGW/xxxx300011)
2015-12-29 06:52:48.885277 [DEBUG] switch_limit.c:126 incr called: TestGW_gw_TestGW max:2, interval:0
2015-12-29 06:52:48.885277 [DEBUG] mod_db.c:194 Usage for TestGW_gw_TestGW is now 1/2
EXECUTE sofia/default/98989 at 196.xx.xx.xx <mailto:sofia/default/98989 at 196.xx.xx.xx>  bridge({media_mix_inbound_outbound_codecs=true,absolute_codec_string=G729,PCMA,PCMU}sofia/gateway/TestGW/xxxx300011)
2015-12-29 06:52:48.885277 [DEBUG] switch_ivr_originate.c:2127 Parsing global variables
2015-12-29 06:52:48.885277 [NOTICE] switch_channel.c:1091 New Channel sofia/default/xxxx300011 [9dc50b00-778d-45c8-8b38-5d91d33d969d]
2015-12-29 06:52:48.885277 [DEBUG] mod_sofia.c:4765 (sofia/default/xxxx300011) State Change CS_NEW -> CS_INIT
2015-12-29 06:52:48.885277 [DEBUG] switch_core_state_machine.c:473 (sofia/default/xxxx300011) Running State Change CS_INIT
2015-12-29 06:52:48.885277 [DEBUG] switch_core_state_machine.c:516 (sofia/default/xxxx300011) State INIT
2015-12-29 06:52:48.885277 [DEBUG] mod_sofia.c:88 sofia/default/xxxx300011 SOFIA INIT
2015-12-29 06:52:48.885277 [DEBUG] sofia_glue.c:1228 sip:196.xx.xx.xx Setting proxy route to sofia/default/xxxx300011
2015-12-29 06:52:48.885277 [DEBUG] sofia_glue.c:1257 sofia/default/xxxx300011 sending invite version: 1.6.5  64bit
Local SDP:
v=0
o=FreeSWITCH 1451348262 1451348263 IN IP4 196.xx.xx.xx
s=FreeSWITCH
c=IN IP4 196.xx.xx.xx
t=0 0
m=audio 16506 RTP/AVP 18 101
a=rtpmap:18 G729/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv

Why it is creating new channel after parsing global variables?




--
Thanks,
Rutu Patel

 

On Mon, Dec 28, 2015 at 5:35 PM, Vitaly Kovalyshyn <v.kovalyshyn at gmail.com <mailto:v.kovalyshyn at gmail.com> > wrote:

This is not correct: absolute_codec_string=G729,PCMU,PCMA 

 

Try: absolute_codec_string='G729,PCMU,PCMA'

 


Best regards, 
Vitaly Kovalyshyn

http://kovalyshyn.pp.ua/
Twitter: @kovalyshyn

http://вебітел.укр/ <http://xn--90abjb4a3b9i.xn--j1amh/> 

 

On 28 груд. 2015 р., at 10:11, Rutu Patel <rutu.patel at inextrix.com <mailto:rutu.patel at inextrix.com> > wrote:

 

Thank you all for your suggestions.

 

​Now seems like freeswitch offers all 3 codecs defined in sip profile but when I set absolute_codec_string it doesn't work.


I have tried by setting {media_mix_inbound_outbound_codecs=true} to outbound leg ​and now bridge is 
bridge({media_mix_inbound_outbound_codecs=true,absolute_codec_string=G729,PCMU,PCMA}sofia/gateway/TestGW/xxxx300055)

 

But freeswitch offers only G729 .It offers first codec defined in absolute_codec_string.


If I remove absolute_codec_string it works fine and offers all 3 codecs defined in sip profile.

I have parameters in sip profile as below:
'disable-transcoding'  = 'false'
'inbound-late-negotiation' = 'true'

Please let me know if you want any other information regarding configurations.

 




--
Thanks,
Rutu Patel

 

On Sun, Dec 27, 2015 at 10:26 PM, Bote Man <bote_radio at botecomm.com <mailto:bote_radio at botecomm.com> > wrote:

Ah! This means that my advice was wrong. This section of Confluence tells you more:

 

https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation#CodecNegotiation-MixingMedia/Codecsondifferentlegs(transcoding)

 

Bote

 

 

From: Anthony Minessale
Sent: Saturday, 26 December, 2015 15:20
Subject: Re: [Freeswitch-users] Codec Transcoding issue

 

add {media_mix_inbound_outbound_codecs=true} to outbound leg or set media_mix_inbound_outbound_codecs=true in vars.xml to make it global.

 

On Sat, Dec 26, 2015 at 2:16 PM, Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com> > wrote:

Set 'disable-transcoding'  to 'false' and repeat again

 

Sergey

 

On Sat, Dec 26, 2015 at 8:09 AM, Rutu Patel <rutu.patel at inextrix.com <mailto:rutu.patel at inextrix.com> > wrote:

Hi Sergey,

Thank you for reply.

In sip profile 3 codecs are defined(G729,PCMU,PCMA) and device A offers G729. 
But freeswitch offers only G729 in INVITE.

Please let me know if you want any other informations.




--
Thanks,
Rutu Patel
iNextrix Technologies Pvt. Ltd.
www.inextrix.com <http://www.inextrix.com/> 

 

On Thu, Dec 24, 2015 at 9:35 PM, Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com> > wrote:

Currently freeswitch offers only device A's codec(G729), but freeswitch should offer all 3 

What codecs offers a-leg In first invite?

 


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