m=audio 11780 RTP/SAVP 0 8 18 9 101 RTP/SAVP means SRTP is mandatory. You need to reconfigure the phone. If the phone sends RTP/AVP then that means plain RTP, and RTP/AVP with a a=crypto attribute means SRTP is optional. -Steve On 7 February 2013 13:26, Levend Sayar <levend.sayar@karel.com.tr> wrote:
** Below is the SDP offer sent by the phone.
v=0 o=- 20185 20185 IN IP4 192.168.173.69 s=SDP data c=IN IP4 192.168.173.69 t=0 0 m=audio 11780 RTP/SAVP 0 8 18 9 101 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:MTM2MjVhMGI1NDZjYmRjADU5NWVjNGVkNTNlYzA1 a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:YmExYmZhNQAzN2ZjNDgzYTRkNGU2ZjFiN2Q0MmE3 a=crypto:3 F8_128_HMAC_SHA1_80 inline:N2Q2NTRiYQAxZjA3MWY3ZjI1YTI5NjIyM2FjODYw a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=no a=rtpmap:9 G722/8000 a=fmtp:101 0-15 a=rtpmap:101 telephone-event/8000 a=ptime:20 a=sendrecv
And below is the SDP answer sent by FS
v=0 o=FreeSWITCH 1360230601 1360230602 IN IP4 192.168.169.114 s=FreeSWITCH c=IN IP4 192.168.169.114 t=0 0 m=audio 12532 RTP/SAVP 9 101 a=rtpmap:9 G722/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=silenceSupp:off - - - - a=ptime:20 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:l8v0R64H7CP0vEx9j0Ycdbob8bgMCpLDppWGy7Dy
-- İyi çalışmalar.
_lvnd_ {^_^}
KAREL`UCAP
On Thu, 2013-02-07 at 13:09 +0000, Steven Ayre wrote:
What I mean is you'll see two separate m=audio lines within the callee's SDP, one for 'RTP/AVP' and one for 'SRTP/AVP'. If there is no m=audio line for RTP/AVP the caller won't know of a port that's expecting RTP. So if the callee only sends SRTP/AVP the caller can't send RTP.
Can you show us the SDP being sent by the phone?
-Steve
On 7 February 2013 11:01, Levend Sayar <levend.sayar@karel.com.tr> wrote:
Thanx Steven.
Caller makes the offer for SDP but callee chooses whatever it wants. So caller can offer SRTP but callee can prefer not to talk encrypted. In our case I want FS to choose non secure media.
Phone will offer SRTP on the conference call but FS must prefer RTP, not SRTP.
İyi çalışmalar.
_lvnd_
{^_^}
KAREL`UCAP
On 7 Şub 2013, at 11:13, "Steven Ayre" <steveayre@gmail.com> wrote:
It's also going to rely on the phone actually offering RTP/AVP as well as SRTP/AVP in their SDP - without that there'd be nowhere to send insecure RTP.
-Steve
On 6 February 2013 16:09, Levend Sayar <levend.sayar@karel.com.tr> wrote:
Thanks Daniel for the reply.
I tried
<action application="set" data="sip_secure_media=false" />
But did not work. Upon your reply I also tried
<action application="set" data="secure_media=false" />
But did not work either. I am doing something wrong ?
İyi çalışmalar.
_lvnd_
{^_^}
KAREL`UCAP
On 6 Şub 2013, at 18:00, "Daniel Ivanov" <sertys@gmail.com> wrote:
Of course you can. Just set the secure_media var to false and you will be srtp-free in sip.
On Feb 5, 2013 6:06 PM, "Levend Sayar" <levend.sayar@karel.com.tr> wrote:
Hi all.
I am using FS as a conference server. Some of my phones are using SRTP , some of them not. Both type of phone can join a conference. FS can talk to each peer with SRTP or not depending on the phone itself.
My question:
Is it possible to disable SRTP on FS ?
I suppose if i can disable SRTP, FS will talk without SRTP with each phone whether they are using SRTP or not.
TIA
--
_lvnd_ {^_^}
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FreeSWITCH-powered IP PBX: The CudaTel Communication Server http://www.cudatel.com
Official FreeSWITCH Sites http://www.freeswitch.org http://wiki.freeswitch.org http://www.cluecon.com
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_________________________________________________________________________ Professional FreeSWITCH Consulting Services:consulting@freeswitch.orghttp://www.freeswitchsolutions.com
FreeSWITCH-powered IP PBX: The CudaTel Communication Serverhttp://www.cudatel.com
Official FreeSWITCH Siteshttp://www.freeswitch.orghttp://wiki.freeswitch.orghttp://www.cluecon.com
FreeSWITCH-users mailing listFreeSWITCH-users@lists.freeswitch.orghttp://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-usershttp://www.frees...
_________________________________________________________________________ Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com
FreeSWITCH-powered IP PBX: The CudaTel Communication Server http://www.cudatel.com
Official FreeSWITCH Sites http://www.freeswitch.org http://wiki.freeswitch.org http://www.cluecon.com
FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org