[asterisk-users] Cisco SIP 8.5 and 9.0 Issues

[Peder]

>Use Polycom, but if you really must use cisco phones, downgrade to 7.5.
>I've got a lot of 79xx phones out there and 7.5 is the last stable release
>as far as I'm concerned.  It just seems to work, no periodic reboots
needed,
>or any other quirkiness like with the newer firmware's.  The feature set is
>not robust, but it is reliable with Asterisk.  Keep in mind, Cisco has no
>incentive to make their SIP firmware work with any other platform other
than
>there servers so I don't really expect it to work properly if at all with
>Asterisk.  7.5 is the only firmware version that I deploy on a few hundred
>units and works fine.

I second that.  We have been using 7.5 with a couple hundred phones for
years with no issues.