Audio Features
HD voice: HD handset, HD speaker
Wideband codec: AMR-WB (optional), Opus, G.722
Narrowband codec: G.711(A/µ), G.729AB, G.726, iLBC
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
3 SIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Group listening, SMS
Redial, call return, auto answer
Local 3-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan, off hook hot line
XML Browser, Action URL/URI
Integrated screenshots
RTCP-XR, VQ-RTCPXR
Enhanced DSS Key
IP-PBX Features
Busy Lamp Field (BLF), Bridged Line Apperance(BLA)
Anonymous call, anonymous call rejection
Hot-desking, emergency call
Message Waiting Indicator (MWI)
Voice mail, call park, call pickup
Intercom, paging, music on hold
Call completion, call recording
Flexible seating
Executive and Assistant
Centralized call recording
Visual voice mail