[Asterisk-Users] Terrible TICKING sound

[Jason A. Pattie]

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Ryan Courtnage wrote:
|
| On 11-May-04, at 8:45 AM, Ryan Courtnage wrote:
|
|> I've fought with this problem on and off.
|>
|> Number 1 thing to check is /proc/interrupts to ensure that your card
|> isn't sharing an interrupt with something else.
|>
|> Number 2 is a bit of an unknown variable - my guess is either
|> electrical noise, or perhaps vibrations affecting your card inside
|> your box.  I find that carefully remounting my tdm400p/x100p so that
|> nothing at all is touching it (no wires, no plastic, nothing - except
|> at the mount point) will make the problem go away the majority of the
|> time.  If it doesn't go away, try re-mounting again.
|
|
| Currently, I'm working with a tdm400p with 2 FXO, 2 FXS.  the persistent
| "tick tick tick tick" has come back (after 3 days tick-free operation).
|
| Has anyone else experienced a similar problem with ZAP channels?  What
| steps did you take to resolve it?

Our problem ended up not being with Asterisk or Digium hardware.  It was
the analog cordless phone.  We simply have to live with it.  What
happens is whenever a connection is established and the phone is
off-hook, an LED on the base lights up in a "blink blink ..... blink
blink ..... etc." pattern.  Everytime the LED lights, a pulse is sent to
the phone.  It's especially bad when both lines are in use, as the phone
is a two-line capable device.  Then you've got double the pulsing.

This may have nothing to do with your problem.  Just wanted to get it
out there in case anyone else runs into it, too.

- --
Jason A. Pattie
pattieja at xperienceinc.com
Xperience, Inc. (http://www.xperienceinc.com)
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