On Wed, Sep 1, 2010 at 9:24 AM, Brian West <brian@freeswitch.org> wrote:
Again I can tell you without a shadow of a doubt that this works fine... FreeSWITCH will send early media we have people doing this... if it didn't work we would have an army of very angry people beating our doors down.  Are you doing any RTP proxy on OpenSIPS?

Believe me, I understand what you're saying. This is why I keep suggesting I must be doing something barmy, but as yet, it just simply isn't working and I can't find whatever "it" is.

No RTP proxying.

I just tried it with a different inbound provider (Peerless), to ensure it wasn't specifically a VZ thing, and it isn't. I then realised that I *know* it's FreeSWITCH not playing ball, not a provider, because I've used Wireshark to reassemble the RTP and listen to it, and it definitely /is not/ playing any kind of ringing cadence in early media. The early media RTP is literally silence, until the call 200 OKs and the RTP has the Playback audio.

What's my next step? Hire a consultant to actually log into the machine? I don't like admitting defeat, but I'm wondering if I'm to the point where without having someone staring at how it's set up, and can personally tcpdump to see what I'm seeing (so they know I'm not full of it;), I'm not going to get much further.

Thanks;

 - Jock



On Sep 1, 2010, at 9:20 AM, Jock McKechnie wrote:

>
> On Tue, Aug 31, 2010 at 4:55 PM, Brian West <brian@freeswitch.org> wrote:
> What device are you working with.. because handling early media is optional so your device might be ignoring it.
>
> I'm working directly with an inbound vendor, with a signalling proxy in the middle, so the flow is:
>
> Verizon -> OpenSIPS -> FreeSWITCH
>
> The media is, of course, going direct VZ<->FS (which works, since asides from the early media, I get the audio fine on Playback).
>
> VZ is running a Sonus of some sort, beyond that I'm unsure. I know I can force a ringback on inbound Asterisk calls and it works, so I'm assuming their equipment is correctly set to handle early media, but not 100% positive.
>
>
>  - JP


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