Basic functions
Graphic LCD at 4 level grey, 244*128 Pixel, 4 SIP accounts, Call Forward, Call Transfer, Call Waiting, Hotline, Call Hold, Auto Answer, Caller ID, Redial, Mute, DND, Local 3-Way Conferencing, Speed Dial, Voice Mail, Local Phonebook (upto 400), Direct IP call without SIP proxy, Black list, White list, Dialed/Rece ived/Missed/Forward call (total 400), Call Center Headsets mode,support EHS Headset

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Management
Configurable through web interface/phone, Provisioning: Auto-provision via FTP/TFTP/HTTP/HTTPS, DHCP Option 66,PnP, Redirection and Provisioning Service(RPS)

IP PBX Features
Intercom, Paging, Call pickup, Call park, Anonymous call, Anonym ous call rejection, Hold on music, Conference Call, Group pickup, DND&Call forward state synchronization, Call Recording

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Physical
Power Interface: DC 5V-1A, PoE power supply: IEEE 802.3af Class 2 2x RJ45 100/1000M adaptive Ethernet ports, 1x RJ9 headphone jack, 1x RJ9 handset jack

Mult-language
English, German, Italian, French, Spanish, Portuguese, Russian, Chinese, Arabic, Polish, Turkish ， Hebrew

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Keys Features
1 status indicator, 4 line keys, 4 soft keys, 5 navigation keys, 1 vo lume keys, 8 function keys (menu, cancel, hold, voicemail, mute, headphone, redial, hands-free)

Advanced Features
LDAP, Microsoft active directory(AD) server, XML remote phonebook,TR069,Action URL

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Temperature and Humidity
Operating temperature: -10 ~ 50°C, Operating humidity: 10 ~ 90%

Audio Features
8 own ring tone, 2 custom ring tone article, 8 volume adjustable + Mute mode, Narrowband codec: G.711(a/μ), G.729A/B/AB, G.726, iLBC, Wideband codec: G.722, L16, Support VAD, CNG, AEC, PLC, AJB, AGC, Full-duplex speakerphone with AEC

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Management
Configurable through web interface/phone, Provisioning: Auto-provision via FTP/TFTP/HTTP/HTTPS, DHCP Option 66, Redirection and Provisioning(RPS)

Network Features
LAN / PC: support bridge mode,Span to PC, Open VPN , SIP connection mode: Proxy mode, and P2P mode, Support DNS SRV (RFC3263). NAT transverse: STUN mode. DTMF: In-band, RFC2833, SIP INFO, Support QoS, IPv4&IPv6 , HTTP / HTTPS web server, Package tracing export, Syslog

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Package
Qty/CTN: 10 PCS , G.W/CTN: 15KG, Giftbox size: 325 m m(L)*210mm ( W ) *80mm(H) Carton Meas: 425mm(L) *415mm(W) *345mm(H)

WiFi Features(A41W only)
IEEE 802.11b/g/n, Enhanced support for IEEE 802.11e QoS,  IEEE802.11i (WPA, WPA2) authentication

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Certifications
CE: EN60950 FCC: Part15

Security
VLAN, LLDP, IEEE802.1X, TLS, HTTPS, SRTP (RFC3711), Digest authentication using MD5/MD5-sess, AES encryption for configuration file s, Phone lock, User and administrator level access control

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