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johan.pascal at linpho...
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 Posted: Mon Jun 07, 2021 8:48 am Post subject: [Freeswitch-users] DTLS and media description proto |
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Hi,
I'm trying to get freeswitch to direct a call to a linphone client using DTLS, as described here:
https://freeswitch.org/confluence/display/FREESWITCH/Certificates#Certificates-DTLS
The A leg with a DTLS client works fine but the B leg, while enabling correctly DTLS in the SDP INVITE(fingerprint and setup attributes) produces a media description using the proto "RTP/SAVPF".
Linphone does not accept this proto as a DTLS call but expect "UDP/TLS/RTP/SAVPF". I'm using freeswitch v1.10.6, I found in the freeswitch code there
https://github.com/signalwire/freeswitch/blob/v1.10.6/src/switch_core_media.c#L9715
a test to switch to the expected proto but I can't find a way in the freeswitch settings/dialplan to get the CF_AVPF_MOZ flag on. When forcing the outcome of the test to be always true, I get my particular use case to work but I guess there is a more harmless way to proceed. Any suggestion?
Thanks,
Johan |
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brian at freeswitch.com
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johan.pascal at linpho...
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| Posted: Wed Jun 09, 2021 10:00 am Post subject: [Freeswitch-users] DTLS and media description proto |
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| Quote: | Thanks Brian for your suggestion but the webrtc_enable_dtls flag does not seem to have an effect.
Without the "media_webrtc=true" I have no DTLS in the B leg SDP INVITE(no fingerprint nor setup attributes), having or not "webrtc_enable_dtls" on top of the "media_webrtc=true" does not seem to have any effect on the INVITE produced.
On 07/06/2021 14::35, Brian West wrote:
Try setting webrtc_enable_dtls=true in {} on the originate. |
On 07/06/2021 09:55, Johan Pascal wrote:
| Quote: |
Hi,
I'm trying to get freeswitch to direct a call to a linphone client using DTLS, as described here:
https://freeswitch.org/confluence/display/FREESWITCH/Certificates#Certificates-DTLS
The A leg with a DTLS client works fine but the B leg, while enabling correctly DTLS in the SDP INVITE(fingerprint and setup attributes) produces a media description using the proto "RTP/SAVPF".
Linphone does not accept this proto as a DTLS call but expect "UDP/TLS/RTP/SAVPF". I'm using freeswitch v1.10.6, I found in the freeswitch code there
https://github.com/signalwire/freeswitch/blob/v1.10.6/src/switch_core_media.c#L9715
a test to switch to the expected proto but I can't find a way in the freeswitch settings/dialplan to get the CF_AVPF_MOZ flag on. When forcing the outcome of the test to be always true, I get my particular use case to work but I guess there is a more harmless way to proceed. Any suggestion?
Thanks,
Johan
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