[asterisk-bugs] [JIRA] (ASTERISK-22717) SRTP audio stream rejected, 'Could not set SRTP policies'

Miguel Oyarzo (JIRA) noreply at issues.asterisk.org
Sat Nov 23 09:12:03 CST 2013 

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=212199#comment-212199 ] 

Miguel Oyarzo commented on ASTERISK-22717:
------------------------------------------


'Could not set SRTP policies' error looks come from the media-level SDP subsystem (audio).

I have compiled asterisk version 1.8, 11.5, 11.6, 11.7 and 12+pjproject (beta), using 

./configure --with-crypto --with-ssl=ssl --with-srtp 
In all of them I have got the same error. 


Here is a comparison between a two asterisk (1st the wrong one and 2nd a good one)


1) debug info for 'Could not set SRTP policies' in v 11.5, 11.6 and 11.7 :
--------------------------------------------------------------------------
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP c=IN IP4 120.151.131.182... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtcp:35536 IN IP4 120.151.131.182... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:2880323124 1 udp 2113937151 192.168.1.116 35536 typ host generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:2880323124 2 udp 2113937151 192.168.1.116 35536 typ host generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:719730816 1 udp 1845501695 120.151.131.182 35536 typ srflx raddr 192.168.1.116 rport 35536 generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:719730816 2 udp 1845501695 120.151.131.182 35536 typ srflx raddr 192.168.1.116 rport 35536 generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:3844981444 1 tcp 1509957375 192.168.1.116 0 typ host generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=candidate:3844981444 2 tcp 1509957375 192.168.1.116 0 typ host generation 0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ice-ufrag:1CP3jxtzuJ2E0abs... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ice-pwd:+G+gGovtGtJpvtR7Vwu8rUrR... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ice-options:google-ice... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=sendrecv... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=mid:audio... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtcp-mux... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] sip/sdp_crypto.c: local_key64 hk/mNH3lyP3zZdqPcN/baYi0bseGDhxpx7dSU5ym len 40
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=crypto:0 AES_CM_128_HMAC_SHA1_32 inline:cco12sJzvfVhfEH+Zin5D+8gIIh5aGdp6L+EG3KR... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:iAo1Cwh1p+bbAxcWrptG5//JMOf8Hfla5PZmHRLt... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 111 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:111 opus/48000/2... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=fmtp:111 minptime=10... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 103 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:103 ISAC/16000... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 104 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:104 ISAC/32000... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:0 PCMU/8000... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:8 PCMA/8000... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 107 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:107 CN/48000... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 106 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:106 CN/32000... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] rtp_engine.c: Unsetting payload 105 on 0x7eff3809d5f0
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:105 CN/16000... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:13 CN/8000... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:126 telephone-event/8000... OK.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=maxptime:60... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ssrc:3099275212 cname:KbyN6wgr0l08loow... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ssrc:3099275212 msid:9vab82wO7bfv5ZEOebNaBGOcP7gpKoXJIjD8 9vab82wO7bfv5ZEOebNaBGOcP7gpKoXJIjD8a0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ssrc:3099275212 mslabel:9vab82wO7bfv5ZEOebNaBGOcP7gpKoXJIjD8... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Processing media-level (audio) SDP a=ssrc:3099275212 label:9vab82wO7bfv5ZEOebNaBGOcP7gpKoXJIjD8a0... UNSUPPORTED OR FAILED.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: *** SIP TIMER: Initializing retransmit timer on packet: Id  #530
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: Trying to put 'SIP/2.0 488' onto UDP socket destined for 10.10.1.105:5061
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: No compatible codecs for this SIP call.
[Nov 19 16:31:56] DEBUG[2496][C-00000009] chan_sip.c: SIP message could not be handled, bad request: 46e28c96-b72c-5e45-59c4-44c153800ac0
---------------------------------------------------------------------



2) debug info for Asterisk 11.4 (it accepts the ICE candidates and  SRTP policy are activated accordingly):
--------------------------------------------------------------------------------------------------------------

[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP c=IN IP4 120.151.131.182... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtcp:41583 IN IP4 120.151.131.182... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '0' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '0' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:2880323124 1 udp 2113937151 192.168.1.116 41583 typ host generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '0' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '0' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:2880323124 2 udp 2113937151 192.168.1.116 41583 typ host generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '120.151.131.182' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '120.151.131.182' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:719730816 1 udp 1845501695 120.151.131.182 41583 typ srflx raddr 192.168.1.116 rport 41583 generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '120.151.131.182' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '120.151.131.182' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:719730816 2 udp 1845501695 120.151.131.182 41583 typ srflx raddr 192.168.1.116 rport 41583 generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '0' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '0' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:3844981444 1 tcp 1509957375 192.168.1.116 0 typ host generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '192.168.1.116' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '192.168.1.116' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: Splitting '0' into...
[Nov 21 11:17:03] DEBUG[7790][C-00000003] netsock2.c: ...host '0' and port ''.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=candidate:3844981444 2 tcp 1509957375 192.168.1.116 0 typ host generation 0... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ice-ufrag:p6+x8ZINjVEiN1gY... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ice-pwd:thFN7SEmQFzz0uVZqvKzV2R5... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ice-options:google-ice... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=sendrecv... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=mid:audio... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtcp-mux... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] sip/sdp_crypto.c: local_key64 jExVjMeWdFO1mMwtXmELA0jPcdJiDFnteK/KzlHz len 40
[Nov 21 11:17:03] DEBUG[7790][C-00000003] res_srtp.c: Adding new policy for SSRC 573868301
[Nov 21 11:17:03] DEBUG[7790][C-00000003] sip/sdp_crypto.c: SRTP policy activated
[Nov 21 11:17:03] DEBUG[7790][C-00000003] sip/sdp_crypto.c: Accepting crypto tag 0
[Nov 21 11:17:03] DEBUG[7790][C-00000003] sip/sdp_crypto.c: Crypto line: a=crypto:0 AES_CM_128_HMAC_SHA1_32 inline:jExVjMeWdFO1mMwtXmELA0jPcdJiDFnteK/KzlHz^M
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=crypto:0 AES_CM_128_HMAC_SHA1_32 inline:jZwYmXv9hmzMmJVXWH1ZxEgwMv9DTizTvKcvn40x... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:bsfQzcYvK3fInZvOvEpqa4XU5cERdNTLojrY7tZz... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 111 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:111 opus/48000/2... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=fmtp:111 minptime=10... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 103 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:103 ISAC/16000... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 104 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:104 ISAC/32000... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:0 PCMU/8000... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:8 PCMA/8000... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 107 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:107 CN/48000... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 106 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:106 CN/32000... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Unsetting payload 105 on 0x7ff7a0156860
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:105 CN/16000... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:13 CN/8000... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=rtpmap:126 telephone-event/8000... OK.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=maxptime:60... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ssrc:2569575276 cname:DICVzLXRWD606Mrk... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ssrc:2569575276 msid:TfuATdIY3b0t4LNqjoLwwFwKdaxNQHvgtCUg TfuATdIY3b0t4LNqjoLwwFwKdaxNQHvgtCUga0... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ssrc:2569575276 mslabel:TfuATdIY3b0t4LNqjoLwwFwKdaxNQHvgtCUg... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Processing media-level (audio) SDP a=ssrc:2569575276 label:TfuATdIY3b0t4LNqjoLwwFwKdaxNQHvgtCUga0... UNSUPPORTED OR FAILED.
[Nov 21 11:17:03] DEBUG[7790][C-00000003] res_rtp_asterisk.c: Setting RTCP address on RTP instance '0x7ff79801e678'
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Copying payload 0 from 0x7ff7a0156860 to 0x7ff79801e840
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Copying payload 8 from 0x7ff7a0156860 to 0x7ff79801e840
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Copying payload 13 from 0x7ff7a0156860 to 0x7ff79801e840
[Nov 21 11:17:03] DEBUG[7790][C-00000003] rtp_engine.c: Copying payload 126 from 0x7ff7a0156860 to 0x7ff79801e840
[Nov 21 11:17:03] DEBUG[7790][C-00000003] res_rtp_asterisk.c: Ignoring duplicate RTCP property on RTP instance '0x7ff79801e678'
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: We're settling with these formats: (ulaw|alaw)
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Checking SIP call limits for device
[Nov 21 11:17:03] DEBUG[7790][C-00000003] chan_sip.c: Updating call counter for incoming call
--------------------------------------------------------------------------------


Main differences:

a) In (1) Asterisk doesn't seem to parse "a=candidates" lines reported by the WebRTC client (sipML5 in my case). (UNSUPPORTED OR FAILED)
b) In (1) this files related to SRTP policies are not called/processed after 'sip/sdp_crypto.c: local_key64 XXXX len 40)':

- res_srtp.c: Adding new policy for SSRC
- sip/sdp_crypto.c: SRTP policy activated
- sip/sdp_crypto.c: Accepting crypto tag 0

(I put extra debug in here and there is an instance variable 'null')

c) In (2) ICE candidate is accepted (OK) 


Not sure, but it seems 'UNSUPPORTED OR FAILED' ICE candidates implies -> 'Could not set SRTP policies'


In adition, asterisk12 is able to process 'a=candidates' without problem, but still show the same error "Could not set SRTP policies" 


Should I provide more parameters than "./configure --with-crypto --with-ssl=ssl --with-srtp" ? 


BTW: module res_srtp was always loaded at the start without errors.


Any suggestion?



Miguel Oyarzo,
Melbourne 


                
> SRTP audio stream rejected, 'Could not set SRTP policies'
> ---------------------------------------------------------
>
>                 Key: ASTERISK-22717
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22717
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_crypto, Resources/res_srtp
>    Affects Versions: 1.8.23.1
>            Reporter: Martin
>            Assignee: Martin
>         Attachments: issue_22717_full_log
>
>
> Hello, good morning. Can you help me? Upgrade asterisk to 1.8.23.1 and i have errors in srtp policies negotiation. The error is the following:
> 2013-10-14 13:01:58] WARNING[28065]: sip/sdp_crypto.c:173 sdp_crypto_activate: Could not set SRTP policies
> [2013-10-14 13:01:58] WARNING[28065]: sip/sdp_crypto.c:173 sdp_crypto_activate: Could not set SRTP policies
> [2013-10-14 13:01:58] WARNING[28065]: chan_sip.c:9622 process_sdp: Rejecting secure audio stream without encryption details: audio 4002 RTP/SAVP 18 0 8 9 101
> The version library srtp is 1.4.4 and the operaron system y debian.
> Thanks you
> Regards

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