Hi, Thanks for your advice, but actually this configuration works well on my old server(FS 1.4) and another server(1.6.12) with same environment, so I want to know what actually happened and why. P.S. I had enabled video call record on my new server, is there any relations on audio call codecs? Regards.
2017/12/29 23:04、Vallimamod Abdullah <vma@vallimamod.org>のメール:
Hi,
Have a look at https://freeswitch.org/jira/browse/FS-8321 (media_mix_inbound_outbound_codecs) It may help with your issue.
Best Regards, -- Vallimamod Abdullah SIP Solutions vma@sipsolutions.fr .
On 29 Dec 2017, at 09:01, 王聡 <cong.wang.itsherpa@gmail.com> wrote:
Hey all,
I had got an issue when I tried to bridge FS to Asterisk for a outgoing call. The late negotation had been set as true, but I got a codec error on Asterisk which showed:
[Dec 29 16:16:52] NOTICE[2095][C-00000002]: chan_sip.c:10465 process_sdp: No compatible codecs, not accepting this offer!
After this I checked the codec negotiation, like this:
SDP message from softphone:
43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:46.677190 [DEBUG] sofia.c:7094 Remote SDP:401e6cb7-3c4d-43ca-9bc9-a5055ad52485 v=0 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:46.677190 [DEBUG] sofia.c:7094 Remote SDP: 43e110bf-0dd2-4518-a5d8-3b3afd52f6de v=0 43e110bf-0dd2-4518-a5d8-3b3afd52f6de o=52bf0a8a88c515081c124a49cf6ce7bc 2651 2264 IN IP4 192.168.254.65 43e110bf-0dd2-4518-a5d8-3b3afd52f6de s=Talk 43e110bf-0dd2-4518-a5d8-3b3afd52f6de c=IN IP4 192.168.254.65 43e110bf-0dd2-4518-a5d8-3b3afd52f6de t=0 0 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics 43e110bf-0dd2-4518-a5d8-3b3afd52f6de m=audio 7076 RTP/AVP 96 97 98 99 0 8 101 100 102 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:96 opus/48000/2 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=fmtp:96 useinbandfec=1 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:97 SILK/16000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:98 speex/16000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=fmtp:98 vbr=on 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:99 speex/8000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=fmtp:99 vbr=on 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:101 telephone-event/48000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:100 telephone-event/16000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:102 telephone-event/8000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtcp-fb:* trr-int 5000
Negotiation steps:
43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [opus:96:48000:20:0:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [opus:96:48000:20:0:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [opus:96:48000:20:0:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [opus:96:48000:20:0:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [opus:96:48000:20:0:1]/[SPEEX:99:16000:20:42200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [SILK:97:16000:20:0:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [SILK:97:16000:20:0:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [SILK:97:16000:20:0:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [SILK:97:16000:20:0:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [SILK:97:16000:20:0:1]/[SPEEX:99:16000:20:42200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:98:16000:20:0:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:98:16000:20:0:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:98:16000:20:0:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:98:16000:20:0:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:98:16000:20:0:1]/[SPEEX:99:16000:20:42200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [SPEEX:99:16000:20:42200:1] ++++ is saved as a match 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:99:8000:20:0:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:99:8000:20:0:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:99:8000:20:0:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:99:8000:20:0:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [SPEEX:99:8000:20:24600:1] ++++ is saved as a match 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [speex:99:8000:20:0:1]/[SPEEX:99:16000:20:42200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMU:0:8000:20:64000:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [PCMU:0:8000:20:64000:1] ++++ is saved as a match 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMU:0:8000:20:64000:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMU:0:8000:20:64000:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMU:0:8000:20:64000:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMU:0:8000:20:64000:1]/[SPEEX:99:16000:20:42200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[PCMU:0:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[PCMA:8:8000:20:64000:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4504 Audio Codec Compare [PCMA:8:8000:20:64000:1] ++++ is saved as a match 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[GSM:3:8000:20:13200:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[SPEEX:99:8000:20:24600:1] 43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] switch_core_media.c:4449 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[SPEEX:99:16000:20:42200:1] Returned SDP message:
43e110bf-0dd2-4518-a5d8-3b3afd52f6de 2017-12-29 16:35:47.277188 [DEBUG] mod_sofia.c:2364 Ring SDP: 43e110bf-0dd2-4518-a5d8-3b3afd52f6de v=0 43e110bf-0dd2-4518-a5d8-3b3afd52f6de o=FreeSWITCH 1514482587 1514482588 IN IP4 172.16.25.25 43e110bf-0dd2-4518-a5d8-3b3afd52f6de s=FreeSWITCH 43e110bf-0dd2-4518-a5d8-3b3afd52f6de c=IN IP4 210.148.155.42 43e110bf-0dd2-4518-a5d8-3b3afd52f6de t=0 0 43e110bf-0dd2-4518-a5d8-3b3afd52f6de m=audio 50360 RTP/AVP 98 100 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:98 speex/16000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=rtpmap:100 telephone-event/16000 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=fmtp:100 0-16 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=ptime:20 43e110bf-0dd2-4518-a5d8-3b3afd52f6de a=sendrecv
I’m not clear what happened, but PCMU and PCMA codecs are gone even it passed the check. Next the SDP had sent to Asterisk:
c5439be6-10e0-431b-b5e3-7904a14a37c0 Local SDP: c5439be6-10e0-431b-b5e3-7904a14a37c0 v=0 c5439be6-10e0-431b-b5e3-7904a14a37c0 o=FreeSWITCH 1514482871 1514482872 IN IP4 172.16.25.24 c5439be6-10e0-431b-b5e3-7904a14a37c0 s=FreeSWITCH c5439be6-10e0-431b-b5e3-7904a14a37c0 c=IN IP4 172.16.25.24 c5439be6-10e0-431b-b5e3-7904a14a37c0 t=0 0 c5439be6-10e0-431b-b5e3-7904a14a37c0 m=audio 50076 RTP/AVP 102 101 13 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=rtpmap:102 SPEEX/16000 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=rtpmap:101 telephone-event/16000 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=fmtp:101 0-16 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=rtpmap:13 CN/16000 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=ptime:20 c5439be6-10e0-431b-b5e3-7904a14a37c0 a=sendrecv
Asterisk can’t recognize these codecs, and it turned into a failure.
So what happened in the codec negotiation, and how could I let PCMU enabled?
PS. I had pasted some setting file and hope it helps.
Vars.xml:
… <X-PRE-PROCESS cmd="set" data="global_codec_prefs=PCMU,PCMA,GSM,speex@8000h@20i,speex@16000h@20i,VP8,H264,H263-1998"/> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU,PCMA,GSM,speex@8000h@20i,speex@16000h@20i”/> …
Sip_profiles/external.xml:
… <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/> <param name="outbound-codec-prefs" value="$${outbound_codec_prefs}”/>
<param name="inbound-codec-negotiation" value=“generous"/> <param name="nonce-ttl" value="60"/> <param name="auth-calls" value="false"/> <param name="inbound-late-negotiation" value="true"/> <param name="inbound-zrtp-passthru" value="true"/> <!-- (also enables late negotiation) --> …
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