08-10-2010 10:41 PM - edited 03-16-2019 12:10 AM
I have two call managers on two different sites.
Call Manager A is: Version 4.0(2)
Call Manager B is: Version 4.1(0)
My issue is:
I have two 7940 phones which work well with the Call Manager A but they do not work with Call Manager B on a different site.
Both call managers show the entry "load 7960-7940 P0030702T023" in the command output when I run "sh telephony-service" command.
Could it be due to the version difference on both call managers?
Which firmware version of 7940 is required to work with Call Manager version 4.1(0)?
Unfortunately, I don't know the firmware version info of 7940 with me at the moment.
Thanks.
08-10-2010 11:01 PM
Hi
Cisco IP Phone 7940 sccp firmware release 8.1(2) is compatible with CM Version 4.1(0).
Check the link for reference & download.
Thanks. Pl rate if you find the link useful...
08-11-2010 05:43 AM
Please note, you have Communication Manager Express, not Call Manager.
You should update both systems. You are are loosing a lot of features by running old software.
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