[asterisk-users] Re: PRI: sometimes Asterisk drop calls

[Steve Davies]

On 9/13/06, Michael Welter <mike at telecommatters.net> wrote:
> Tomislav Parčina wrote:
> > In article <5caa9b870609130215p47e41b68y754e30decba30f2 at mail.gmail.com>, davies147 at gmail.com says...
> >> To start the ball rolling:
> >>   Software: Zaptel 1.0.9, Asterisk 1.0.9, BRIstuff-0.2.0, wanpipe-2.3.2
> >>   PRI interface: Sangoma A101U (UK E1)
> >>   Phones on sites with NO problems: snom, elmeg, Aastra, Linksys/Sipura
> >>   Phones on problem site: Hitachi WIP3000, Zyxel F1000 (?)
> >
> > Hi Steve!
> >
> > I have same errors on one *. Here are basic information's:
> >
> > Sep  5 15:06:53 WARNING[2223] chan_zap.c: Ring requested on channel 0/2 already in use on span 1.  Hanging up owner.
> > Sep  7 12:56:10 WARNING[2224] chan_zap.c: Ring requested on channel 0/1 already in use on span 2.  Hanging up owner.
> >
> > Software: asterisk-1.2.10; libpri-1.2.3; zaptel-1.2.7
> > PRI interface: Digium Te205P (HR T-com E1)
> > Phones: No phones - connected to Ericsson E250 BP
> >
>
> One of my clients is saying that this happens after a queue agent
> performs an attended transfer.  Has anyone else seen this?
>
None of our systems use queues or agents, including the problem site,
but the problem site does make very heavy use of attended transfers.

Regards,
Steve