How to card C-Lan on G650 ?

[dang15]

Dear all,
I have one question to consult the experts,
I have 01 gateway G650, numbers IP phone 1200 station. I want install 3 card C-lan on 1 gateway G650 is not?

[ilalpatidar]

Firstly You don't even need 3 CLAN if you are using processor Ethernet.
Secondly CLAN cant register 400 phones as max sockets it can offer is 400 and some of them are used by system.