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,
Three-way video conference
Ten-way audio/video mixed conferenceing (up to 2 video call)
Group listening, 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
Door phone integration
Wireless Access Point (AP mode)
Onscreen keyboard
USB port (2.0 compliant) for media, strong applications
Notification Center and Control Center
Third party Android application support