Local Phonebook (2000 entries)
Remote Phonebook (XML/LDAP, 2000 entries)
Call logs (In/out/missed, 1000 entries)
Blocked List/Allowed List
Screen saver
Speed Dial
Anonymous Call (Hide Caller ID)
Call Forwarding (Always/Busy/No Answer)
Call Transfer (Attended/Unattended)
Call Parking/Pick-up (Depending on the server)
Redial
Three-way video conferencing
Ten-way audio/video mixed conferencing(Up to 2 video calls)
Do-Not-Disturb