[Freeswitch-users] SRTP Error "auth check failed"

Peter P GMX Prometheus001 at gmx.net
Thu May 7 08:27:24 PDT 2009

Hello Helmut,

I also have problems with my Snom300s and Snom320s and G711 and SRTP.
They may be related to this problem, but I am not sure.
The phones disconnect the media stream after a while (2..10 minutes)
because the Snom media port is blocked all of a sudden.
I have opened a bug report at Snom [Ticket#2009040810000131].

Best regards

Helmut Kuper schrieb:
> Hello,
> today a colleague of mine told me that sometimes calls were disconnected
> without any obvious reasons. In FS's log I found this:
> 2009-05-07 15:52:22 [ERR] switch_rtp.c:1656 rtp_common_read() Error:
> SRTP unprotect failed with code 7 (auth check failed)
> I scanned my recent FS log files for that message and found that this
> error accours a few times a week. I use Snom Phones all with G722 and
> SRTP. Any ideas what this could be caused by?
> regards
> helmut

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