Hiwe have CUCM version 14and when we use jabber for calls, it goes default on video call(sometimes one person has video cam but another one has not, so this is no appropriate)i want to know how can we disable this behavior ?

Hi,i have 2 CUCM server (CUCM Pub + CUCM Sub)and i have near 400 phonesi want to half of phones be register on CUCM Puband other half be register on CUCM Subhow can i do this?