System Parameters
Operating System
Embedded Linux operation systemROM128 MB
RAM
94 MB
CPU
Embedded processor
Display
ParametersScreen Size2.8-inchOperation MethodPhysical keysType
Color
ful screen
Resolution
320 x 240Video ParametersVideo DecodingH.264Video Decoding
Resolution
QVGA / CIF / VGA / 4CIF / 720P / 1080PAudio ParametersAudio Compression StandardG.711A/U, G.729AB, iLBC, G.722, OpusAudio InputHD voice microphone;HAC handsetAudio OutputHD voice speaker (handset/hands-free, 0 ~ 7KHz frequency response)Audio QualityVoice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)/ Voice quality monitoringVolume AdjustmentAdjustable
Capacity
Communication Lines6 SIP LinesContact
Capacity
Local phonebook (1000 entries)Remote phonebook (XML/LDAP, 1000 entries)Call Log
Capacity
In/Out/Missed, 600 entries
Network
ParametersCommunication ProtocolSIP v1 (RFC2543), v2 (RFC3261) over UDP/TCP/TLSRTP/RTCP/SRTPSTUNDHCPIPv6PPPoEL2TPOpenVPNSNTPFTP/TFTPHTTP/HTTPSTR-069Wired
Network
10/100 Mbps self-adaptiveWi-Fi StandardNADevice Interfaces
Network
Interface2 RJ-45 10/100 Mbps self-adaptivePower Supply InputDC power inputCommunication Interface2 RJ-9 ：handset x1, headset x1GeneralButton37 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 keyInstallationDesktop stand (angles 1: 45°):Wall-mountedIndicatorRed status indicator light for call and message waiting indicationWorking Temperature0 °C to 45 °C (32 °F to 113 °F)Working Humidity10% to 95% (no-condensing)
Dimensions
Desktop stand (angles 1: 45°): 169 mm x 186.3 mm x 174.5 mm; Desktop stand (angles 2: 50°): 169 mm x 177.6 mm x 183.7 mm; Wall-mounted: 169 mm x 115.6 mm x 212.5 mmPower SupplyIEEE802.3af, Standard PoE,12 VDCApplication EnvironmentIndoorPower ConsumptionPower consumption (PoE): 1.78 W ~ 5.92 W; power consumption (adapter): 1.28 W ~ 4.31 WLanguageEnglish, Simplified Chinese, Traditional Chinese, Russian, Italian, French, German. Hebrew, Spanish, Catalan, Basque, Galician, Turkish, Hungarian, Slovenian, Czech, Korean, Dutch, Ukrainian, Portuguese, Polish
Good value for the price.