I am planning an upgrade of my CUCM, am currently looking at the BE4000. The idea is to reuse all my handsets. Please say if these handsets will be able to use with the BE4000
USERS: 40-50
FUNCTIONS: ALL
handsets:
MODEL
6921 Standard SCCP
7905 Standard SCCP
7911 Standard SCCP
7912 Standard SCCP
7940 Standard SCCP
7941 Standard SCCP
7942 Standard SCCP
7961 Standard SCCP
7962 Standard SCCP
I would like something that has an interface (GUI). If there is any other recommendation please feel free to comment