[OpenSIPS-Users] Mediaproxy configuration

[Mark Allen]

Sorry... should have added that OpenSIPS box is acting as mid-registrar

On Thu, 7 Jan 2021, 12:12 Mark Allen, <mark at allenclan.co.uk> wrote:

> I wonder if anyone can help me with this? I am trying to configure
> Mediaproxy to handle RTP traffic coming from outside our local network.
> Here's the setup:
>
>     UAC ---> IPA ---> IPB ---> Mediaproxy / OpenSIPS ---> Asterisk
>
> IPA (a public IP address 4x.xxx.xxx.xxx) maps ports ports 5060 and 10000
> to 65535 to IPB (local IP address 192.168.xxx.xxx). IPB is actually a
> Virtual IP managed by keepalived.
> UAC is MizuDroid app running on my Android phone connected to my home
> network (NATed) with a public IP of 5.xxx.xxx.xxx. Everything else relates
> to our office network.
> Mediaproxy Dispatcher and Relay are both running on the same (OpenSIPS)
> system
>
> SIP conversation between UAC and Asterisk via OpenSIPS looks to be working
> fine. Endpoints connect, exchange data, and hangup. The problem is with SDP
> addressing (NAT problem) causing no audio either way, which is what I want
> Mediaproxy to handle.
>
> In opensips.cfg I'm passing control for calls arriving at IPA to
> Mediaproxy...
>
>     if (is_method("INVITE")) {
>         if (!has_totag()) {
>             if ($fd == "4x.xxx.xxx.xxx") {
>                 xlog("Passing control to Mediaproxy...");
>                 engage_media_proxy();
>             }
>         }
>     }
>
> In /etc/mediaproxy/config.ini all settings are defaults except for setting
> dispatcher as IPB...
>
>     dispatchers = 192.168.xxx.xxx
>
> ...and I've tried it with and without advertised_ip set to IPA...
>
>     advertised_ip = 4x.xxx.xxx.xxx
>
>
> I can see that Mediaproxy is taking control of calls as instructed and
> making changes to SDP but it's not solving my audio problems. What am I
> doing wrong????
>
>
>
>
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