[Asterisk-Users] TDM-400 doesn't detect far-end hangup

[Eric "ManxPower" Wieling]

Stephen Bosch wrote:
> Hi:
> 
> I'm using a TDM-400 to terminate PSTN lines at my Asterisk server with
> kewlstart signalling.
> 
> When an outside caller calls the server, the TDM-400 goes off-hook and
> provides a ringing tone to the caller. If the caller hangs up before the
> receiving party answers the phone, Asterisk fails to detect the hang-up.
> The TDM-400 stays off-hook, hogging the line, while Asterisk rings the
> extension.
> 
> I thought the TDM-400 FXO module was supposed to detect far-end call drops.
> 
> Is there something I need to configure to make this work?

The telco has to drop battery.

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