[asterisk-users] Play "blank" sound while VM recording?

[Charles Ulrich]

On Tuesday 03 April 2007 20:09, asterisk-users-request at lists.digium.com 
wrote:
> Charles Ulrich wrote:
> > I have an Asterisk system deployed at a customer's site. It is
> > connected to the outside world by a local SIP provider. When
> > someone calls in through the trunk to leave a voicemail, Asterisk
> > is not sending any RTP packets back through the trunk after the
> > beep is played. This is fine and probably should be the expected
> > behavior, except that after 30 seconds to a minute of not seeing
> > any RTP traffic coming from the PBX, the trunk appears to make the
> > faulty assumption that the PBX is gone and hangs up the call.
>
> Maybe this is what you need?:
>
> ;rtpkeepalive=<secs>            ; Send keepalives in the RTP stream
> to keep NAT open ; (default is off - zero)
> (in sip.conf, [general] section)
>
> Regards,
>   Philipp

That was exactly what I needed, thanks!

-- 
Charles Ulrich
Ideal Solution, LLC -- http://www.idealso.com