[Freeswitch-users] [Missing local host] in proxy media mode

[Steven Ayre]

Are you sure you need proxy media?

FS has three media modes - the default, bypass, and proxy. In proxy mode
you lose a lot of the FreeSWITCH functionality as you cannot interact with
the media. It's generally only necessary if you need to support a codec FS
does not support.

On Fri, 12 Oct 2018 at 23:32, Marc Quore <marquore at gmail.com> wrote:

> Hi, All
>
> I've got FreeSwitch 1.8.2 running in media proxy mode:
>
> <param name="inbound-proxy-media" value="true"/>
> <param name="inbound-late-negotiation" value="true"/>
>
> Dialplan is configured to bridge incoming calls to remote gateway and most
> of calls completing successfully, however some of them fail with
> INCOMPATIBLE_DESTINATION cause. For failed calls everything goes normally
> until bridged connection gets early media from callee:
>
> [NOTICE] sofia.c:7304 Pre-Answer sofia/external/2222 at 2.2.2.2!
> [INFO] switch_ivr_originate.c:3747 Sending early media
> [DEBUG] switch_core_media.c:3781 Set Codec sofia/internal/1111 at 1.1.1.1 PCMU/0
> 0 ms 960 samples 384000 bits 1 channels
> [DEBUG] switch_core_codec.c:111 sofia/internal/1111 at 1.1.1.1 Original read
> codec set to PCMU:0
> [DEBUG] switch_core_media.c:8577 PROXY AUDIO RTP [sofia/internal/
> 1111 at 1.1.1.1] 1.1.1.1:18792->1.1.1.1:18792 codec: 0 ms: 20
> [ERR] switch_core_media.c:9510 AUDIO RTP REPORTS ERROR: *[Missing local
> host]*
> [NOTICE] switch_core_media.c:9511 Hangup sofia/internal/1111 at 1.1.1.1
> [CS_EXECUTE] [INCOMPATIBLE_DESTINATION]
>
> Here's a dump for this call:
>
> [image: image.png]
>
> Healthy call on the same machine:
>
> [DEBUG] switch_core_media.c:3781 Set Codec sofia/vpn/2222 at 2.2.2.2 PROXY/0
> 0 ms 160 samples 0 bits 1 channels
> [DEBUG] switch_core_codec.c:111 sofia/internal/2222 at 2.2.2.2 Original read
> codec set to PROXY:0
> [DEBUG] switch_core_media.c:8577 PROXY AUDIO RTP [sofia/internal/
> 2222 at 2.2.2.2] 2.2.2.2:60818->2.2.2.2:60818 codec: 0 ms: 20
>
> [DEBUG] switch_core_media.c:3781 Set Codec sofia/internal/1111 at 1.1.1.1 PROXY/0
> 0 ms 160 samples 0 bits 1 channels
> [DEBUG] switch_core_codec.c:111 sofia/external/1111 at 1.1.1.1 Original read
> codec set to PROXY:0
> [DEBUG] switch_core_media.c:8577 PROXY AUDIO RTP [sofia/external/
> 1111 at 1.1.1.1] 1.1.1.1:31412->1.1.1.1:31412 codec: 0 ms: 20
>
> So it looks like proxified media connection cannot be established for some
> calls. It shouldn't be a codec problem as call parties are configured with
> common codecs, FS is bond to local interface which is running with no
> errors. But I have no idea what "local host is missing" in my case so I'll
> be appreciated for any hint.
>
> FreeSWITCH Version 1.8.2+git~20180926T175525Z~a98a958ac3~64bit (git
> a98a958 2018-09-26 17:55:25Z 64bit)
> CentOS Linux release 7.5.1804 (Core)
>
> Best,
> Marc
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