[Freeswitch-users] SRTP calls fail 'because secure media is administratively disabled'

covici at ccs.covici.com covici at ccs.covici.com
Fri Mar 18 18:04:33 MSK 2016


They changed the name to rtp_secure_media sometime in the last few
months.

Eternal21 <eternal24 at gmail.com> wrote:

>  I am using FreeSWITCH demo configuration to test SRTP calls.  I am placing
> a call between endpoint 1000 and 1001.  The call works fine when SRTP is
> disabled on the softphones.  The problem starts when I enable SRTP on the
> softphones.  I also enabled SRTP on FreeSWITCH server, by including the
> following command in vars.xml:
> 
> <X-PRE-PROCESS cmd="set" data="sip_secure_media=true"/>
> 
> When I try to place a call between the two endpoints now, I end up with one
> side immediately hanging up.
> Specifically, the error seems to be:
> [WARNING] switch_core_media.c:4035 Declining invite with only SAVP because
> secure media is administratively disabled
> 
> Followed by:
> [NOTICE] sofia.c:7742 Hangup sofia/internal/1001 at 10.10.10.112:5060
> [CS_CONSUME_MEDIA] [INCOMPATIBLE_DESTINATION]
> 
> Couldn't find any info on how to resolve this issue online.
> 
> Here's the relevant log:
> 2016-03-18 09:45:21.664536
> 
> [INFO] switch_rtp.c:3605 Activating Audio Secure RTP SEND
> [DEBUG] switch_core_sqldb.c:2607 Secure Type:
> srtp:sdes:AES_CM_128_HMAC_SHA1_80
> [INFO] switch_rtp.c:3583 Activating Audio Secure RTP RECV
> [DEBUG] switch_core_sqldb.c:2607 Secure Type:
> srtp:sdes:AES_CM_128_HMAC_SHA1_80
> [NOTICE] sofia_media.c:92 Pre-Answer sofia/internal/1000 at 10.10.10.77!
> [DEBUG] switch_channel.c:3461 (sofia/internal/1000 at 10.10.10.77) Callstate
> Change RINGING -> EARLY
> [DEBUG] mod_sofia.c:2330 Ring SDP:
> v=0
> o=FreeSWITCH 1458288533 1458288534 IN IP4 10.10.10.77
> s=FreeSWITCH
> c=IN IP4 10.10.10.77
> t=0 0
> m=audio 20188 RTP/SAVP 0 101
> a=rtpmap:0 PCMU/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=ptime:20
> a=sendrecv
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:uhco9Z9FgciE1vh5LQqGyNXxts0etxavW51gJKVP
> 
> [DEBUG] switch_ivr_originate.c:1274 Raw Codec Activation Success L16 at 8000hz
> 1 channel 20ms
> [DEBUG] switch_core_codec.c:221 sofia/internal/1000 at 10.10.10.77 Push codec
> L16:100
> [DEBUG] switch_ivr_originate.c:1343 Play Ringback Tone
> [%(2000,4000,440,480)]
> [DEBUG] sofia.c:6756 Channel sofia/internal/1000 at 10.10.10.77 entering state
> [early][183]
> [DEBUG] switch_rtp.c:6645 Correct audio ip/port confirmed.
> [DEBUG] sofia.c:6756 Channel sofia/internal/1001 at 10.10.10.112:5060 entering
> state [completing][200]
> [DEBUG] sofia.c:6766 Remote SDP:
> v=0
> o=VOCAL 61793 12653 IN IP4 10.10.10.112
> s=-
> c=IN IP4 10.10.10.112
> t=0 0
> m=audio 1442 RTP/SAVP 0
> a=rtpmap:0 PCMU/8000
> a=crypto:1 AES_CM_128_HMAC_SHA1_80
> inline:i7qQOAKGWeBs/QtXQcYRD3g7u2pGv/BDqrvKE6Av
> a=ptime:20
> 
> [DEBUG] sofia.c:6756 Channel sofia/internal/1001 at 10.10.10.112:5060 entering
> state [ready][200]
> [WARNING] switch_core_media.c:4035 Declining invite with only SAVP because
> secure media is administratively disabled
> [NOTICE] sofia.c:7742 Hangup sofia/internal/1001 at 10.10.10.112:5060
> [CS_CONSUME_MEDIA] [INCOMPATIBLE_DESTINATION]
> [DEBUG] sofia.c:1355 Channel is already hungup.
> 
> 2016-03-18 09:45:26.303802
> 
> ----------------------------------------------------
> Alternatives:
> 
> ----------------------------------------------------
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services: 
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
> 
> Official FreeSWITCH Sites
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> http://confluence.freeswitch.org
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> 
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-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici at ccs.covici.com



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