[Asterisk-Users] Problems with Ring Detection

[Jeff Noxon]

You probably have low ring voltage on your line.  Test it, and complain
to your telco if that's the problem.  It should be somewhere around 90VAC.

So it is your intention to allow an inactive caller to tie up your line?
I think this may also be related to line voltage, however.

On Tue, Feb 25, 2003 at 11:22:21AM -0600, John Lange wrote:
> We have a system with dual X100P cards attached to regular POT lines.
> 
> About 50% of the time the X100P fails to detect a call on the first ring
> and therefore misses the caller-id information. Is there any way to
> tweak the x100P so it does a better job of ring detection?
> 
> As a secondary problem, if you call our line, let it ring once and then
> hangup, Asterisk picks up the phone (getting a dialtone because there is
> no call) and leaves the line open forever (our dialplan loops on
> timeout). Is there a way to have Asterisk detect a dialtone on an
> incoming call and hangup if it finds one? Or some other solution to this
> issue?
> 
> As a work around I've simply changed the dialplan so it hangs up on
> timeout but that isn't what we really want.
> 
> -- 
> John Lange <lists at darkcore.net>
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