I have a customer running rel. 8.1 and adding a new 9608 phone is giving me a headache.
Works perfect to install and use but after a reboot it appeared as model 4624 (or something like that) in system status. Still able to make calls but was quite dumb.
I read here: https://downloads.avaya.com/css/P8/documents/10101...
"Attempts to downgrade these models to lower versions of software will be
rejected. If these models are implemented in an environment that uses lower versions of
software for other 9608/9611G/9621G/9641G IP Deskphones, it is recommended to use a
mechanism to differentiate the software loads such as different HTTP servers or different
This particular phone has rel 6.6401 and does not retrieve the older files on the sd-card.
Some guidance would be awesome! An upgrade of the pbx is in the plans but not in the nearest future.