[Freeswitch-users] Codec Mismatch Because of Different Frame Size

Anthony Minessale anthony.minessale at gmail.com
Thu Sep 30 14:23:56 PDT 2010 

Was it sooner than when I sent the email?
When I said to update it was 30 seconds after I committed the patch
which was only 1 hour ago.

commit f8c9ef5f9deca6345f3d598c4f511b4a21f237bb
Author: Anthony Minessale <anthm at freeswitch.org>
Date:   Thu Sep 30 15:15:33 2010 -0500

    fix codec regression from yesterday


On Thu, Sep 30, 2010 at 4:09 PM, Jan Riedinger <riedinger at sns.eu> wrote:
> I checked out and compiled the current git version some hours ago.
> Unfortunately the problem seems to be still not fixed. I tried to examine it
> more detailed. I will attach this e-mail additionally in a text file to
> avoid that it get unreadable by line wrapping.
>
> A call from a Cisco is working, if "codec g729 bytes 60" is configured only:
>
> v=0
> o=CiscoSystemsSIP-GW-UserAgent 5025 3066 IN IP4 a.b.c.d
> s=SIP Call
> c=IN IP4 a.b.c.d
> t=0 0
> m=audio 16408 RTP/AVP 18
> c=IN IP4 a.b.c.d
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=ptime:60
>
> 2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:3873 Activate Buggy RFC2833
> Mode!
> m2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:60:0]/[G729:18:8000:20:8000]
> m2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:4282 Substituting codec
> G729 at 60i@8000h
> 2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:3873 Activate Buggy RFC2833
> Mode!
> 2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:60:0]/[G729:18:8000:20:8000]
> 2010-09-30 21:37:44.297076 [DEBUG] sofia_glue.c:4282 Substituting codec
> G729 at 60i@8000h
>
> For a Cisco, on which I configured a codec list with frame sizes of 80
> bytes, the matching is working as well. Maybe it's because no ptime is set
> at all:
>
> 2010-09-30 22:06:45.598963 [DEBUG] sofia.c:4469 Channel
> sofia/external/3039731964 at a.b.c.d entering state [received][100]
> 2010-09-30 22:06:45.598963 [DEBUG] sofia.c:4480 Remote SDP:
> v=0
> o=CiscoSystemsSIP-GW-UserAgent 6897 7698 IN IP4 a.b.c.d
> s=SIP Call
> c=IN IP4 a.b.c.d
> t=0 0
> m=audio 17640 RTP/AVP 18 8 0
> c=IN IP4 a.b.c.d
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
>
>
> 2010-09-30 22:06:45.598963 [DEBUG] sofia_glue.c:3873 Activate Buggy RFC2833
> Mode!
> 2010-09-30 22:06:45.598963 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:20:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:06:45.598963 [DEBUG] sofia_glue.c:2600 Set Codec
> sofia/external/3039731964 at a.b.c.d G729/8000 20 ms 160 samples 8000 bits
>
> But I still can observe problems, when a codec list is used and some kind of
> ptime is set. Unfortunately I can't trigger such calls, I have to wait until
> I receive them from my customers:
>
> 2010-09-30 22:50:14.152164 [NOTICE] switch_channel.c:779 New Channel
> sofia/external/12345 at a.b.c.d [c02c759a-2d43-445f-992f-8c3f59d6171a]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia.c:4469 Channel
> sofia/external/12345 at a.b.c.d entering state [received][100]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia.c:4480 Remote SDP:
> v=0
> o=Sonus_UAC 10702 20259 IN IP4 a.b.c.d
> s=SIP Media Capabilities
> c=IN IP4 195.219.240.20
> t=0 0
> m=audio 26128 RTP/AVP 8 0 18 4 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:18 G729/8000
> a=fmtp:18 annexb=no
> a=rtpmap:4 G723/8000
> a=fmtp:4 bitrate=6.3
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=maxptime:30
>
>
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[G729:18:8000:20:8000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[PCMU:0:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[PCMU:0:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[PCMU:0:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[PCMU:0:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[PCMU:0:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[PCMA:8:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[PCMA:8:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[PCMA:8:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[PCMA:8:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[PCMA:8:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[G7221:115:32000:20:48000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[G7221:115:32000:20:48000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[G7221:115:32000:20:48000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[G7221:115:32000:20:48000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[G7221:115:32000:20:48000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[G7221:107:16000:20:32000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[G7221:107:16000:20:32000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[G7221:107:16000:20:32000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[G7221:107:16000:20:32000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[G7221:107:16000:20:32000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[G722:9:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[G722:9:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[G722:9:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[G722:9:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[G722:9:8000:20:64000]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMA:8:8000:30:0]/[GSM:3:8000:20:13200]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [PCMU:0:8000:30:0]/[GSM:3:8000:20:13200]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G729:18:8000:30:0]/[GSM:3:8000:20:13200]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [G723:4:8000:30:0]/[GSM:3:8000:20:13200]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4229 Audio Codec Compare
> [telephone-event:101:8000:30:0]/[GSM:3:8000:20:13200]
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] sofia_glue.c:4331 Set 2833 dtmf send/recv
> payload to 101
> 2010-09-30 22:50:14.152164 [DEBUG] switch_channel.c:2359
> (sofia/external/12345 at a.b.c.d) Callstate Change DOWN -> HANGUP
> 2010-09-30 22:50:14.152164 [NOTICE] sofia.c:4686 Hangup
> sofia/external/12345 at a.b.c.d [CS_NEW] [INCOMPATIBLE_DESTINATION]
>
> Does anybody have any ideas?
>
> Thank you in advance
>               Jan
>
> Am 30.09.2010 18:46, schrieb Brian West:
>
> Codec interface was changed a little bit yesterday to support per codec fmtp
> parsing and bitrates for g722.1 which was the reason it was changed.  Please
> make sure your tree is clean and do a make current again and see if that
> solves your problem.
>
> /b
>
> On Sep 30, 2010, at 11:24 AM, Brock Williams wrote:
>
> We are experiencing the same problem on a git pull from yesterday.
>
> Brock
>
> On 09/30/2010 05:16 AM, Jan Riedinger wrote:
>
>  It's the git version from yesterday evening:
>
>    freeswitch at internal> version
>    FreeSWITCH Version 1.0.head (git-633f193 2010-09-29 16-52-43 -0500)
>
> BR
>     Jan
>
>
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>
> --
> Jan Riedinger                           Phone :  +49-30-39 73 19 66
> Dipl.-Inf. | Managing Director          Fax   :  +49-30-39 73 19 64
>                                         E-Mail:  riedinger at sns.eu
> SNS Consult GmbH                        ICQ   :  163-237-041
> Südwestkorso 49a                        MSN   :  jan at sns-consult.de
> 14197 Berlin GERMANY                    Skype :  Jan Riedinger
>
> AG Charlottenburg - HRB 71973
>
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>



-- 
Anthony Minessale II

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