[Freeswitch-users] webrtc: [ERR] mod_sofia.c:2299 CODEC NEGOTIATION ERROR. SDP

[Michael Jerris]

you keep saying

(UDP/TLS/RTP/SAVPF)

are you thinking that is supposed to be in the sip message somehow?  sounds
like you are using jssip, which is known to have issues.

On Wednesday, April 6, 2016, Quan Huo Sheng <quanhs at stee.stengg.com> wrote:

> Hi;
>
>
>
> Forgot another information. Does CODEC VP8 must be included in codec_prefs
> in WebRTC regardless there is not at all video involved?
>
>
>
>
>
> Regards
>
> Smile
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>
> [mailto:freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>]
> *On Behalf Of *Quan Huo Sheng
> *Sent:* Thursday, April 07, 2016 10:41 AM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] webrtc: [ERR] mod_sofia.c:2299 CODEC
> NEGOTIATION ERROR. SDP
>
>
>
> OK. At point of time now, I prefer SIP to Verto as Webrtc signaling as I
> am familiar with SIP.
>
>
>
> Well, can help to provide workable configuration. Or troubleshooting the
> issue. Thanks a lot.
>
>
>
> As understanding, CODEC NEGOTIATION DEAY is set, how does FS include
> SRTP-DTLS (UDP/TLS/RTP/SAVPF) in m line of SDP to be sent to Chrome
> endpoint.
>
>
>
> In my case, in the SDP sent from FS to 1010 (Chrome endpoint, Registered
> via WSS), there is no such information but normal RTP (RTP/SAVP).
>
>
>
> Coming back, the key issue is still CODEC NEGOTIATION ERR for WebRTC.
>
>
>
>
>
> Regards
>
> Smile.
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>
> [mailto:freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>]
> *On Behalf Of *Michael Jerris
> *Sent:* Wednesday, April 06, 2016 11:59 PM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] webrtc: [ERR] mod_sofia.c:2299 CODEC
> NEGOTIATION ERROR. SDP
>
>
>
> yes it's supported
>
> On Tuesday, April 5, 2016, Quan Huo Sheng <quanhs at stee.stengg.com
> <javascript:_e(%7B%7D,'cvml','quanhs at stee.stengg.com');>> wrote:
>
> Hi Itola;
>
>
>
> Sorry, same error.
>
>
>
> Does Freeswitch support media switching (srtp-dtls) between two
> chrome(sip.js as signal) browsers?
>
>
>
> Finding when FS runs in media mode:
>
> codec causes caller side “488 not acceptable here| incompatible
> destination ”
>
>                 callee side: “cancel |user not registered”
>
>
>
> Regards
>
> Smile
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Ítalo Rossi
> *Sent:* Tuesday, April 05, 2016 8:58 PM
> *To:* FreeSWITCH Users Help
> *Cc:* freeswitch-users at lists.freeswitch.org
> *Subject:* Re: [Freeswitch-users] webrtc: [ERR] mod_sofia.c:2299 CODEC
> NEGOTIATION ERROR. SDP
>
>
>
> Set media_mix_inbound_outbound_codecs=true
>
> Ítalo Rossi
>
> italo at freeswitch.org
>
> IRC chat.freenode.net #freeswitch #freeswitch-dev
>
> Bugs? https://freeswitch.org/jira
>
> Docs? https://freeswitch.org/jira
>
> Chat? https://hipchat.freeswitch.org/gUdAgy0m6
>
>
>
>
>
> On Apr 4 2016, at 11:45 pm, Quan Huo Sheng <quanhs at stee.stengg.com>
> wrote:
>
> Hi All;
>
>
>
> I want to use freeswitch to set up a WebRTC POC (Audio only,
> udp/tls/rtp/savp).  Setup is Anonymous (
> 192.168.199.216/chrome/sipjs:sip-0.7.0.min) ->freeswitch (192.168.199.22)
> ->1010 (192.168.199.216/chrome/sip-0.7.0.min),just following the
> information in book “FreeSWITCH 1.6 Cookbook”.
>
> If using media bypass mode (inbound-bypass-media == true), all works fine,
> caller and called can hear each other.
>
> But if disabling media bypass mode, call is rejected by FS.
>
>
>
> FS log shows “[ERR] mod_sofia.c:2299 CODEC NEGOTIATION ERROR. SDP”.
> Attachment is detailed FS log file.
>
> Chrome uses opus 111, FS uses opus 116.
>
> Mod_sofia.c::sofia_receive_message() -->
> sofia_media.c::sofia_media_negotiate_sdp() -->
> sofia_core_media.c::sofia_core_media_negotiate_sdp().
>
>
>
> Help is needed to troubleshoot this issue.
>
>
>
> Thanks advance.
>
> Smile.
>
>
>
>
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