[SR-Users] rtpengine no voice when working between DTLS-SRTP endpoints
Aqs Younas
aqsyounas at gmail.com
Tue Apr 10 20:37:23 CEST 2018
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 <aqsyounas at gmail.com> 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 <aqsyounas at gmail.com> 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
>>
>
>
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