SIP Phone HD audio on speakerphone and handset 3 DSS keys on the 2.8”colorful display screen Hardware video decoding (H.264, 1080P) Dual 10M/100M Ethernet ports, standard PoE power supply Compatible with major platforms: Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya etc. System parameters Operating system Embedded Linux operation system ROM 128 MB RAM 94 MB CPU Embedded processor Display parameters Screen size 2.8-inch Operation method Physical keys Type Colorful screen Resolution 320 x 240 Video parameters Video decoding H.264 Video decoding resolution QVGA / CIF / VGA / 4CIF / 720P / 1080P Audio parameters Audio compression standard G.711A/U, G.729AB, iLBC, G.722, Opus Audio input HD voice microphone; HAC handset Audio output HD voice speaker (handset/hands-free, 0 ~ 7KHz frequency response) Audio quality Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)/ Voice quality monitoring Volume adjustment Adjustable Capacity Communication Lines 6 SIP Lines Contact capacity Local phonebook (1000 entries) Remote phonebook (XML/LDAP, 1000 entries) Call log capacity In/Out/Missed, 600 entries Network parameters Communication protocol SIP v1 (RFC2543), v2 (RFC3261) over UDP/TCP/TLS RTP/RTCP/SRTP STUN DHCP IPv6 PPPoE L2TP OpenVPN SNTP FTP/TFTP HTTP/HTTPS TR-069 Wired network 10/100 Mbps self-adaptive Wi-Fi standard NA Device interfaces Network interface 2 RJ-45 10/100 Mbps self-adaptive Power supply input DC power input Communication interface 2 RJ-9 `a3`bahandset x1, headset x1 General Button 37 Keys: 3 line keys (BLF keys) with LED indicator light; 2 Keys for with LED indicator light,including: MWI/handset 8 keys, including: Hold/Transfer/Conference/Contact/CallLog/Status/Redial/Mute 4 soft keys 4 navigation keys 1 OK key 12 standard phone digits keys 2 volume control keys (Up/Down) 1 hands-free key Installation Desktop stand (angles 1: 45`b0): Wall-mounted Indicator Red status indicator light for call and message waiting indication Working temperature 0 `b0C to 45 `b0C (32 `b0F to 113 `b0F) Working humidity 10% to 95% (no-condensing) Dimensions Desktop stand (angles 1: 45`b0): 169 mm x 186.3 mm x 174.5 mm; Desktop stand (angles 2: 50`b0): 169 mm x 177.6 mm x 183.7 mm; Wall-mounted: 169 mm x 115.6 mm x 212.5 mm Power supply IEEE802.3af, Standard PoE,12 VDC Application environment Indoor Power consumption Power consumption (PoE): 1.78 W ~ 5.92 W; power consumption (adapter): 1.28 W ~ 4.31 W Language English, Simplified Chinese, Traditional Chinese, Russian, Italian, French, German. Hebrew, Spanish, Catalan, Basque, Galician, Turkish, Hungarian, Slovenian, Czech, Korean, Dutch, Ukrainian, Portuguese, Polish
