Phone Features Up to 4 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 5-way conference Group listening, SMS, emergency call Ring tone selection/provisioning Set date time automatically or manually Dial plan per account RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) Action URL/URI Voice Codecs Features HD voice, HD handset, HD speaker Codecs: iLBC, G.722, G.711(A/μ), Opus GSM_FR, G.723, G.729AB, G.726-32 DTMF: In-band, RFC 2833, SIP INFO Full-duplex hands-free speakerphone with AEC VAD, AGC, CNG, AEC, PLC, AJB Directory Local phonebook up to 1000 entries XML/LDAP remote phonebook Intelligent search method Phonebook search/import/export Call history: dialed/received/missed/forwarded Black list IP-PBX Features Busy Lamp Field (BLF), bridged Line Appearance(BLA) Anonymous call, anonymous call rejection Message Waiting Indicator (MWI) , voice mail Call park, call pickup Intercom, paging Music on hold Hot-desking Display and Indicator 192x64 pixel graphical LCD with backlight LED for call and message waiting indication Illuminated LEDs for line status information Intuitive user interface with icons and soft keys National language selection Caller ID with name, number Feature keys 4 line keys with LED 4 line keys can be programmed up to 12 various features (4-page view) Speaker key/headset key/mute key 4 context-sensitive “soft' keys 6 navigation keys, volume control keys Speaker key/headset key/mute key 6 features keys: voice mail, headset, mute,speaker, transfer, redial Interface Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), class 2 1xRJ9 (4P4C) handset port 1xRJ9 (4P4C) headset port Physical Features Stand with 2 adjustable angles Wall mountable External universal AC adapter : AC 100~240V input and DC 5V/1.2A output Power consumption (PSU): 1.8~4.4W Power consumption (PoE):