[SOLVED]: rtpengine no voice when working between DTLS-SRTP endpoints - sr-users

11 Apr 2018

DTLS=passive solved it.

Thanks guys.

On Tue, 10 Apr 2018, 11:37 pm Aqs Younas, &lt;aqsyounas(a)gmail.com&gt; wrote:

...
  Sometimes, I see below logs in RTP engine.

 Apr 10 17:59:21 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: Received command 'answer' from
 127.0.0.1:44933
 Apr 10 17:59:21 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: answer time = 0.000163 sec
 Apr 10 17:59:21 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: Replying to 'answer' from
 127.0.0.1:44933
 [1523383161.279950] ERR: [24b95195-3da3-4e12-8400-5fcf908183e5 port
 8268]: SRTP output wanted, but no crypto suite was negotiated
 Apr 10 17:59:21 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [24b95195-3da3-4e12-8400-5fcf908183e5 port  8268]: SRTP output wanted, but
 no crypto suite was negotiated
 Apr 10 17:59:25 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5 port  8268]: Confirmed peer address
 as 72.214.35.171:64834
 [1523383171.481023] ERR: [24b95195-3da3-4e12-8400-5fcf908183e5 port
 8269]: SRTCP output wanted, but no crypto suite was negotiated
 Apr 10 17:59:31 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [24b95195-3da3-4e12-8400-5fcf908183e5 port  8269]: SRTCP output wanted, but
 no crypto suite was negotiated
 Apr 10 17:59:31 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5 port  8269]: Confirmed peer address
 as 72.214.35.171:50108
 [1523383176.025296] ERR: [24b95195-3da3-4e12-8400-5fcf908183e5 port
 8268]: SRTP output wanted, but no crypto suite was negotiated
 Apr 10 17:59:36 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [24b95195-3da3-4e12-8400-5fcf908183e5 port  8268]: SRTP output wanted, but
 no crypto suite was negotiated
 [1523383186.000280] ERR: [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS
 error: 1 (read timeout expired)
 [1523383186.000335] ERR: [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS
 error on local port 8248
 [1523383186.000419] ERR: [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS
 error: 1 (read timeout expired)
 [1523383186.000429] ERR: [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS
 error on local port 8249
 *Apr 10 17:59:46 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS error: 1 (read timeout
 expired)*
 *Apr 10 17:59:46 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS error on local port 8248*
 *Apr 10 17:59:46 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS error: 1 (read timeout
 expired)*
 *Apr 10 17:59:46 centos-1024mb-nyc-02 rtpengine[65101]: ERR:
 [02d8ccfb-831e-4a81-bd2b-09b007d39209]: DTLS error on local port 8249*
 *Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: Closing call due to timeout*
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: Final packet stats:
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --- Tag
 'f6d2237d-f960-4542-b138-f39a7fb52770', created 1:32 ago for branch '',
in
 dialogue with '6bdf30d1-2da6-4b6d-b917-aaa720c9c1fa'
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: ------ Media #1 (audio over
 UDP/TLS/RTP/SAVP) using unknown codec
 *Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --------- Port  209.182.216.71:8288
 <http://209.182.216.71:8288>  <>  100.84.103.245:4002
 <http://100.84.103.245:4002> , SSRC 0, 0 p, 0 b, 0 e, 92 ts*
 *Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --------- Port  209.182.216.71:8289
 <http://209.182.216.71:8289>  <>  100.84.103.245:4003
 <http://100.84.103.245:4003>  (RTCP), SSRC 0, 0 p, 0 b, 0 e, 92 ts*
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --- Tag
 '6bdf30d1-2da6-4b6d-b917-aaa720c9c1fa', created 1:32 ago for branch '',
in
 dialogue with 'f6d2237d-f960-4542-b138-f39a7fb52770'
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: ------ Media #1 (audio over
 UDP/TLS/RTP/SAVP) using G722/8000
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --------- Port
 209.182.216.71:8268  <>   72.214.35.171:64834, SSRC 653128b4, 935 p,
 160820 b, 0 e, 60 ts
 Apr 10 18:00:41 centos-1024mb-nyc-02 rtpengine[65101]: INFO:
 [24b95195-3da3-4e12-8400-5fcf908183e5]: --------- Port
 209.182.216.71:8269  <>   72.214.35.171:50108 (RTCP), SSRC 653128b4, 3 p,
 278 b, 0 e, 60 ts

 Any suggestion what might be happening?

 Br, Aqs.

 On 10 April 2018 at 22:59, Aqs Younas &lt;aqsyounas(a)gmail.com&gt; wrote:

  I could see SRTP packets coming from one device
but they never leave
 rtpeninge.

 I put a link to Pastebin containing a call trace with the hope that
 someone might help me out.

 I could provide more info if required.

 https://pastebin.com/tYVpFQAh

 Br, Aqs.

 On 10 April 2018 at 01:39, Aqs Younas &lt;aqsyounas(a)gmail.com&gt; wrote:

  Greetings list,

 I am trying to make two endpoints talking on DTLS-SRTP. But I hear on
 audio.

 Things work perfectly fine if I use RTP or SRTP with TLS.

 Endpoints are pjsip based application not webrtc based clients.

 Below are logs from rtpengine. I hope someone could point out amiss.

 Apr  9 20:02:43 centos-1024mb-nyc-02 rtpengine[58438]: INFO:
 [66d2da58-21fe-48bd-9999-a1f3a22afa6d]: --------- Port
 209.182.216.71:8176  <>   72.214.35.171:63577, SSRC 1234c6eb, 641 p,
 110252 b, 0 e, 60 ts
 Apr  9 20:02:43 centos-1024mb-nyc-02 rtpengine[58438]: INFO:
 [66d2da58-21fe-48bd-9999-a1f3a22afa6d]: --------- Port
 209.182.216.71:8177  <>   72.214.35.171:63056 (RTCP), SSRC 1234c6eb, 4
 p, 372 b, 0 e, 60 ts
 Apr  9 20:12:24 centos-1024mb-nyc-02 rtpengine[58438]: INFO: Version
 git-master-3ef300b shutting down
 Apr  9 20:12:37 centos-1024mb-nyc-02 rtpengine[58958]: INFO: Generating
 new DTLS certificate
 Apr  9 20:12:37 centos-1024mb-nyc-02 rtpengine[58959]: INFO: Startup
 complete, version git-master-3ef300b
 Apr  9 20:13:43 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: Received command 'offer' from
 127.0.0.1:57645
 Apr  9 20:13:43 centos-1024mb-nyc-02 rtpengine[58959]: NOTICE:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: Creating new call
 Apr  9 20:13:43 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: offer time = 0.002612 sec
 Apr  9 20:13:43 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: Replying to 'offer' from
 127.0.0.1:57645
 Apr  9 20:13:56 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: Received command 'answer' from
 127.0.0.1:42309
 Apr  9 20:13:56 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: answer time = 0.000220 sec
 Apr  9 20:13:56 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08]: Replying to 'answer' from
 127.0.0.1:42309
 Apr  9 20:13:56 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: DTLS: Peer certificate
 accepted
 Apr  9 20:13:56 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: DTLS-SRTP successfully
 negotiated
 Apr  9 20:13:57 centos-1024mb-nyc-02 rtpengine[58959]: ERR:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: SRTP output wanted, but
 no crypto suite was negotiated
 Apr  9 20:14:00 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: Confirmed peer address
 as 72.214.35.171:58634
 Apr  9 20:14:07 centos-1024mb-nyc-02 rtpengine[58959]: ERR:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8001]: SRTCP output wanted, but
 no crypto suite was negotiated
 Apr  9 20:14:07 centos-1024mb-nyc-02 rtpengine[58959]:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08] version=2, padding=0, count=1,
 payloadtype=200, length=12, ssrc=2045607967, ntp_sec=1379282714,
 ntp_fractions=439054259, rtp_ts=1838072137, sender_packets=3366262813,
 sender_bytes=2383498210, ssrc=815258372, fraction_lost=96,
 packet_loss=13713522, last_seq=3314313929, jitter=2878956247,
 last_sr=2456273253, delay_since_last_sr=3351655681
 Apr  9 20:14:07 centos-1024mb-nyc-02 rtpengine[58959]: INFO:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8001]: Confirmed peer address
 as 72.214.35.171:57732
 Apr  9 20:14:12 centos-1024mb-nyc-02 rtpengine[58959]: ERR:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: SRTP output wanted, but
 no crypto suite was negotiated
 Apr  9 20:14:17 centos-1024mb-nyc-02 rtpengine[58959]:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08] version=2, padding=0, count=1,
 payloadtype=200, length=12, ssrc=2045607967, ntp_sec=2811881700,
 ntp_fractions=4080266212, rtp_ts=371429680, sender_packets=958830616,
 sender_bytes=2579186043, ssrc=1909756377, fraction_lost=174,
 packet_loss=11416637, last_seq=3106722675, jitter=758758394,
 last_sr=2663618457, delay_since_last_sr=1399181077
 Apr  9 20:14:27 centos-1024mb-nyc-02 rtpengine[58959]: ERR:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8000]: SRTP output wanted, but
 no crypto suite was negotiated
 Apr  9 20:14:27 centos-1024mb-nyc-02 rtpengine[58959]: ERR:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08 port  8001]: SRTCP output wanted, but
 no crypto suite was negotiated
 Apr  9 20:14:27 centos-1024mb-nyc-02 rtpengine[58959]:
 [a5ca8335-84d2-4daf-a0e2-6465e72b6d08] version=2, padding=0, cou

 It is how I have programmed it in my Kamailio configuration.

 ON INVITE

 rtpengine_offer("replace-origin replace-session-connection ICE=remove
 UDP/TLS/RTP/SAVP");

 ON 200-ok

 rtpengine_answer("replace-origin replace-session-connection ICE=remove
 UDP/TLS/RTP/SAVP");

 Best Regards,

 Aqs Younas