[Asterisk-Users] Cisco 79xx and SIP 7.5 Problems

[C F]

Thanks. Makes me feel good to see Cisco goofing :)


On 2/23/06, Jeremy Koski <jayk at danner.net> wrote:
>
> We had all kinds of problems with SIP 7.5, and decided to stay with 7.4.
>
> We had phones freeze, reboot, and display XML parse error until we removed
> 7.5. We also had a lot of dropped calls.
>
>
>
>
>
> On Thu, 23 Feb 2006, C F wrote:
>
> > I recently updated my phones Cisco 7960 phones (3 of them) in a high
> > volume call place, where the Secretaries use the 7960 phones to answer
> > inbound calls, as many as 15 simultaneous calls between all three of
> > them.
> > Since then I have had only constant problems, mainly that after 3
> > calls on a phone, if they try to xfer or do any ohter things
> > (sometimes just answer the 4th call) the phone freezes, they have had
> > this happen to them throughout the week. Until yesterday I decided it
> > must be a frimware problem, so I downgraded them to 7.1. Since then
> > (around 5PM EST yesteday) it didn't happen *yet*. So I'm assuming it
> > has to do with the firmware.
> > So my question is, is anybody else using 7.5 firmware?
> > If yes, do you have all the line buttons configured to the same SIP account?
> > If yes, do you see the same problem?
> >
> > I also noticed that with 7.5 firmware callwaiting has to be enabled
> > for the second call to be able to come in, otherwise the phone returns
> > a Busy here, while with the older versions it could have been disabled
> > and it worked fine, the phone only returned busy here on the 7th call.
> > So I had to enable call waiting, the way I did it was that in the
> > SIP<mac>.cfg file I added
> > call_waiting: 3
> > I'm not sure if this is related or not, but that was the only change I
> > had to do to the config files.
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