[asterisk-users] SRTP unprotect failed ...

[hw]

On Tuesday, January 14, 2020 5:29:04 PM CET hw wrote:
> Hi,
> 
> I'm getting messages like
> 
> 
> res_srtp.c:395 ast_srtp_unprotect: SRTP unprotect failed with replay check
> failed (index too old), retrying == SRTP unprotect failed on SSRC 576693764
> because of authentication failure 10 == SRTP unprotect failed on SSRC
> 576693764 because of authentication failure 160 [...]
> 
> 
> ... after a couple minutes during voice calls after which the connection is
> being aborted.  It seems that not all connections are affected but only a
> few, though that would need further verification.
> 
> Is this a bug, or due to a bad internet connection (maybe packet loss?)?
> Can I do something to look into this?
> 
> asterisk -V
> Asterisk 16.4.0

I've upgraded asterisk to version 17 from git, and the problem remains.

Any ideas?