Which Cisco Tele Presence Management Suite Extension supports automated AD/LDAP import of users for creating an entitlement of up to 100,000 users and devices?

Which Cisco Tele Presence Management Suite Extension supports automated AD/LDAP import of users for creating an entitlement of up to 100,000 users and devices?
A. TMSXE
B. TMSXN
C. TMSAE
D. TMSPE