key expansion module 8865

[adamgibs7]

Dears,

Hope you are doing good,

I have a question here that i am proposing key expansion module for 8865 IP phone  to the customer, i want to know the difference between the below, i read the datasheet but i didn't understood can anybody make me understand

CP-8800-V-KEM=  video KEM 

CP-8800-A-KEM= Audio KEM

[Chris Deren]

Couple similar threads with some insight:

https://community.cisco.com/t5/ip-telephony-and-phones/difference-between-expansion-module/td-p/3772313

https://community.cisco.com/t5/ip-telephony-and-phones/cp-8800-v-kem-does-it-work-with-8851/td-p/3759477

Basically if you have video 8800 phone such as 8865 you should use CP-8800-V-KEM=.