Which Cisco SIP phone to choose for guidance?

Question

Asterisk

There is a task to transfer one desk from analog automatic telephone exchange to IP.
It is necessary to select several models (to choose from) of Cisco SIP phones for guidance. There are no requirements as of now. Primitively local address book, forwarding between secretary/manager. Well, apparently it is necessary that there be a presentable appearance.
Employees - will remain analog Panasonic, connected via spa112.
As a PBX - Asterisk 1.8.

Answer 1

Good afternoon.
CP-8851-K9
DX650
7975G
9951
About the light came together. Yes, got along. This equipment works stably and does not require constant attention, adjustments, etc.

Answer 2

Usually we put "beauty" 8961, 9951, or 9971
With the prefix C-KEM

Answer 3

On a tsiska what light converged?