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

[Aaron Daniel]

We use mainly 7940's in our environment, I currently have about 60 of 
them on my system, and the 7.5 firmware really screwed up our phone 
network.  Not in the same way yours has, but there seem to be a lot of 
glitches, even jumping from 7.4 to 7.5.  Have you tried the 7.4 firmware 
to see if that does you any good?

Aaron

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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