[asterisk-users] Re: How to detect long calls

[Dovid B]

----- Original Message ----- 
From: "Benny Amorsen" <benny+usenet at amorsen.dk>
To: <asterisk-users at lists.digium.com>
Sent: Wednesday, January 17, 2007 12:10 AM
Subject: [asterisk-users] Re: How to detect long calls


>>>>>> "KS" == "Savoy, Kevin <- Williston, ND" <ksavoy at novo1.com>> writes:
>
> KS> We have been running an Asterisk box with 1.2.9.1 on it since
> KS> August in a call center environment. We use the Asterisk box as an
> KS> IVR and then pass the calls on to a Nortel Option 11C. Today we
> KS> found in our long distance bill two calls that lasted a VERY long
> KS> time. One was 58 hours and another was 38 DAYS!!!
>
> There has been some excellent suggestions in this thread. I just want
> to add one. Sometimes a SIP packet can get lost or a phone rebooted
> without closing a call properly. Then the call will just stay open
> forever. You can solve that with rtptimeout=3600 or something similar
> in sip.conf. Obviously it only works when the rtp stream is actually
> going through Asterisk, and it will also kill the call if a Snom phone
> turns the microphone off for an hour (Snom phones do silence
> suppression unconditionally when you press the mute button).
>
> Still, even with those limitations it works nicely for us. At least as
> a stopgap until Asterisk gets TCP-support for SIP.
>
>
> /Benny
>
>
I know this post s old but I will add my 2c. In sip.conf you can use 
silencedetecthangup=x. Have a look at: 
http://www.voip-info.org/wiki/index.php?page=Asterisk%20sip%20silencedetecthangup