16 SIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Redial, call return, auto answer, direct IP call
Four-way video conferencing
Ten-way audio & video mixed conferencing (up to 4-way video conferencing)
SMS, emergency call
Ring tone selection/provisioning
Set date time automatically or manually
Dial plan for each account
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Action URL/URI
Wireless Access Point (AP mode)
Onscreen keyboard
USB ports (2.0 compliant) for media,storage applications
Notification Center and Control Center
Third party Android application support