[Freeswitch-users] sip to webrtc - sdp invalid description

Thu Jul 13 18:48:00 UTC 2017

That would be amazing, thanks! And if you could share you kamailio config,
that would be awesome!
On Thu, Jul 13, 2017 at 5:26 AM Joel Serrano <joel at gogii.net> wrote:

> Hi David,
>
> I have:
>
> [iOS/Android app with Linphone SIP stack] <-> Kamailio <-> FS <-> Kamailio
> <-> [WebRTC]
>
> And it works correctly in all combinations (both Kamailios are only
> signalling, rtp goes from clients to FS directly).
>
> Tomorrow i'll send you the combination of codec parameters we are using so
> you can compare, we can do more tests from there with the traces.
>
> Joel.
>
> On Tue, Jul 11, 2017 at 4:58 AM, David Villasmil <
> david.villasmil.work at gmail.com> wrote:
>
>> many thanks!
>> ᐧ
>>
>> Regards,
>>
>> David Villasmil
>> email: david.villasmil.work at gmail.com
>> phone: +34669448337 <+34%20669%2044%2083%2037>
>>
>> On Sun, Jul 9, 2017 at 7:35 AM, Joel Serrano <joel at gogii.net> wrote:
>>
>>> Nevermind, I missed the part that FS is in the middle. I'm going to test
>>> that and see what I find.
>>>
>>> On Sat, Jul 8, 2017 at 19:56 Joel Serrano <joel at gogii.net> wrote:
>>>
>>>> Can it be that Zoiper is using SRTP-3DES instead of SRTP-DTLS?
>>>>
>>>> WebRTC requires SRTP-DTLS.
>>>>
>>>>
>>>>
>>>> On Fri, Jul 7, 2017 at 9:46 AM, David Villasmil <
>>>> david.villasmil.work at gmail.com> wrote:
>>>>
>>>>> Hello guys,
>>>>>
>>>>> Any help on this?
>>>>>
>>>>> Thanks
>>>>>
>>>>> David
>>>>> ᐧ
>>>>>
>>>>> Regards,
>>>>>
>>>>> David Villasmil
>>>>> email: david.villasmil.work at gmail.com
>>>>> phone: +34669448337 <+34%20669%2044%2083%2037>
>>>>>
>>>>> On Thu, Jul 6, 2017 at 11:11 PM, David Villasmil <
>>>>> david.villasmil.work at gmail.com> wrote:
>>>>>
>>>>>> Hello guys,
>>>>>>
>>>>>> I have this setup:
>>>>>>
>>>>>> Zoiper-->Kamailio->fs->kamailio->webrtc client(s)
>>>>>>
>>>>>> Whenever webrtc clients call each other, calls are ok.
>>>>>> But when the zoiper (regular sip/tcp) calls, the browsers complaint
>>>>>> about:
>>>>>>
>>>>>> "no ice-ufrag" (firefox) or
>>>>>> "Failed to set remote offer sdp: Called with SDP without DTLS
>>>>>> fingerprint." (Chrome).
>>>>>>
>>>>>> I am setting the sdp in freeswitch as:
>>>>>>
>>>>>>       <action application="set" data="proxy_media=false"/>
>>>>>>       <action application="set" data="bypass_media=false"/>
>>>>>>       <action application="export" data="zrtp_secure_media=false"/>
>>>>>>       <action application="export"
>>>>>> data="nolocal:rtp_secure_media=true"/>
>>>>>>
>>>>>> and the actual sdp is:
>>>>>>
>>>>>> v=0
>>>>>> o=FreeSWITCH 1499354716 1499354717 IN IP4 1.2.3.4
>>>>>> s=FreeSWITCH
>>>>>> c=IN IP4 1.2.3.4
>>>>>> t=0 0
>>>>>> m=audio 40954 RTP/SAVP 8 101 13
>>>>>> a=rtpmap:8 PCMA/8000
>>>>>> a=rtpmap:101 telephone-event/8000
>>>>>> a=fmtp:101 0-16
>>>>>> a=rtpmap:13 CN/8000
>>>>>> a=crypto:1 AEAD_AES_256_GCM_8
>>>>>> inline:9XidL0Z5VYb0L5CegRZaYVrVfjA0ImWgu5WyLK0vtg60RTk6Koe8c0sRkjU
>>>>>> a=crypto:2 AEAD_AES_128_GCM_8
>>>>>> inline:fLKE1lxhRoVw+D5NVoKFFw06I0Xok/9KbRystQ
>>>>>> a=crypto:3 AES_CM_256_HMAC_SHA1_80
>>>>>> inline:w/yDN+ETPuCOiOIxjFLRjbFbDxp2xaxhXz4QVwBXWxJw/GigOURGw8EMv9fVUg
>>>>>> a=crypto:4 AES_CM_192_HMAC_SHA1_80
>>>>>> inline:evU8MzAtiSHwKb95s4V9IAMpmok06kW9ZGDgH3/Lc3ZytVn2SR4
>>>>>> a=crypto:5 AES_CM_128_HMAC_SHA1_80
>>>>>> inline:KKDkT0DssohSeKFsX6tbixRhwYdiIhE6r3u5CCVA
>>>>>> a=crypto:6 AES_CM_256_HMAC_SHA1_32
>>>>>> inline:D3JgGuOlIxXfHGdqf7lKWqNDAIiJrbOqOKb+erlhPQtBKF4wzomjbN0sBIiE4w
>>>>>> a=crypto:7 AES_CM_192_HMAC_SHA1_32
>>>>>> inline:c12ebWWzZ1cqZN0v5C5uYzdvtfnw6AARU3+jGA0WzTSDlDd20vI
>>>>>> a=crypto:8 AES_CM_128_HMAC_SHA1_32
>>>>>> inline:nPZku7S6hlz2OPAff8T9I8sNFzuZziNg64KuvfNS
>>>>>> a=crypto:9 AES_CM_128_NULL_AUTH
>>>>>> inline:9MNdj7xaingoGY14NUg8iS3dhTqD0XW8FAOLNtmP
>>>>>> a=ptime:20
>>>>>> a=nortpproxy:yes
>>>>>>
>>>>>>
>>>>>> I'm pretty new to the webrtc stuff, so any help is greatly
>>>>>> appreciated!
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>> David Villasmil
>>>>>> email: david.villasmil.work at gmail.com
>>>>>> phone: +34669448337 <+34%20669%2044%2083%2037>
>>>>>> ᐧ
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _________________________________________________________________________
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>>>>
>>>>
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>>
>>
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
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>>
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>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
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> http://confluence.freeswitch.org
> http://www.cluecon.com
>
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