[cisco-voip] CME half-ring disconnect

[Nick Matthews]

I think I've seen some similar things on incoming FXO lines with
voltage problems on the line.  There can be some very screwy
offhook/onhook loopstart changes if the lines are wacky.  PRI - not so
much.  Wink-start, potentially as well.  SIP - potentially with bugs
or with a provider signaling issue.

-nick

On Mon, Nov 28, 2011 at 11:42 AM, Eric Brander <mailinglists at rednarb.com> wrote:
> We have a scenario where our CME sites will occasionally experience an
> issue where inbound calls ring for a half-ring then answer and
> disconnect within seconds. It doesn't happen frequently; perhaps once
> or twice a month; and it will last for a few minutes to a couple hours
> before it "resolves itself".
>
> The number called is a hunt pilot with as many as a dozen extensions
> assigned to the hunt group. It's a broadcast hunt group so it rings on
> all the extensions simultaneous.
>
> Have any of you witnessed anything like this and can offer some tips
> or a solution?
>
> TIA,
>
> Eric
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