Audio Features

• HD voice: HD handset, HD speaker

• Hearing aid compatible (HAC) handset

• Acoustic Shield

• Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, G.711(A/μ), G.723.1, 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

• 16 VoIP accounts

• Call hold, mute, DND

• One-touch speed dial, hotline

• Call forward, call waiting, call transfer

• Group listening, SMS, emergency call

• Redial, call return, auto answer

• 3-way conferencing

• Direct IP call without SIP proxy

• Ring tone selection/import/delete

• Set date time manually or automatically

• Dial plan, XML Browser, Action URL/URI

• RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)

• USB port (2.0 compliant)

• Bluetooth earphone through BT40/BT41

• Contact synchronization through BT40/BT41

• Wi-Fi through WF40/WF50

• USB call recording through USB flash drive

• USB headset

• Expansion Module EXP43

• Wireless Headset Adapter EHS40

• Enhanced DSS key

Directory

• Local phonebook up to 1000 entries

• Black list

• XML/LDAP remote phonebook

• Smart dialing

• Phonebook search/import/export

• Call history: dialed/received/missed/forwarded

IP-PBX Features

• Busy Lamp Field (BLF), Bridged Line Apperance (BLA)

• Anonymous call, anonymous call rejection

• Hot-desking, voice mail

• Flexible seating, Executive and Assistant

• Call park, call pickup

• Centralized call recording, call recording

• Visual voice mail

Display and Indicator

• 7" 800 x 480-pixel color touch screen with backlight

• 24 bit depth color

• LED for call and message waiting indication

• Wallpaper

• Intuitive user interface with icons and soft keys

• Multilingual user interface

• Caller ID with name and number

• Screensaver

• Power saving

Feature keys

• 29 one-touch DSS keys

• 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone

• 6 navigation keys

• 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone

• Volume control keys

• Illuminated mute key

• Illuminated headset key

• Illuminated hands-free speakerphone key