Grandstream WP820, WiFI Phone, 2 SIP, Colour Display, With cgarger and Power Supply

Protocol/Standards SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, SSH, TFTP, NTP, STUN, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP*, IPv6 voice and video codecs and features Supports G.711µ/A, G.729A/B, G.722 (Broadband), iLBC, Opus, In-band and out-of-band DTMF (In audio, RFC2833, SIP INFO) VAD, CNG, AEC, PLC, AJB, AGC, ANS, H.264(decryption only) Wi-Fi Yes, built-in dual-band Wi-Fi module class 802.11 a/b/g/n (2.4GHz and 5GHz) Encryption Wi-Fi WEP, WPA/WPA2, WPA Enterprise Display 2.4 inch (240x320) color TFT LCD screen Periphery 3 on-screen buttons, dial, hang up, speaker, phonebook, backlit keyboard, proximity sensor, accelerometer, vibration motor, volume, navigation keys Bluetooth Yes, Bluetooth 4.2 Additional ports 3.5mm jack, micro USB charging port, dual microphone, two-color LED Telephony functions Hold, transfer, forwarding, 3-way voice conference, downloadable phone books (XML, LDAP, up to 100 entries), call waiting , call log (up to 1000 entries), automatic dialing when you pick up the handset, answering machine, click-to-dial, flexible number plan, hot desking, personalized ringtones and music on hold, backup server, push button to talk Operating system Android 7.0, support for custom Android apps that fit the phone's screen/ keyboard * There may be operational limitations when using Android apps. The touch screen will become unavailable, viewing will be available from a small LCD screen of 300x240 pixels, and control will be carried out only with the help of physical buttons. Safety Administrative and user-level passwords, MD5 and MD5-based authentication, configuration files with 256-bit AES encryption, SRTP*, TLS, 802.1x media access control HD audio Yes, both in the speaker and in the speaker with broadband audio support, HAC support QoS 802.11e (WMM) and Layer 3 (ToS, DiffServ, MPLS) QoS Language support English, Arabic, Chinese, Czech, Danish, German, French, Hebrew, Italian, Japanese, Polish, Portuguese, Russian, Spanish, Turkish and others Update/Customization Firmware update via TFTP/HTTP/HTTPS, mass configuration when using TR-069 or encrypted XML configuration file, manual download, USB Energy consumption and environmental friendliness Universal power adapter is included in the package Input: 100-240V AC; Output: +5V DC. current, 1A (5W) 1500mA Li-ion battery, 150h in standby mode and 7.5h in talk mode Sizes Tube size: 168.5 x 52.5 x 21.8mm Charging stand size: 76 x 73 x 81mm Tube Weight: 161g Weight of the tube with packaging (except for the brief guide: 456g Temperature and humidity Operating temperature: 0°C to 45°C; Operating humidity: 10-90% (non-condensing) Storage temperature: -20°C to 60°C; Storage humidity: 10%-90% (non -condensing) Package contents Tube, universal power supply, charging stand, Belt clip, 1 Li-ion battery, Quick guide Durability Withstands a fall from a height of 1.2 meters Accordance CE: EN 301 893; EN 300 328; EN 55032; EN 55035; EN 61000-3-2;EN 61000-3-3; EN 62368-1; EN 301 489-1/17; EN 50360; EN 62479; EN 50663; EN 50566. FCC: FCC Part 15B; FCC Part 15C; FCC Part 15E; FCC Part 68 HAC. RCM: AS/NZS 4268; AS/NZS 60950.1; AS/NZS CISPR 32; CISPR 35; AS/CA S004; AS/ACIF S040. Japan: MIC-R; China: SRRC; EAC; RoHS 2.0(2011/65/EU&(EU)2015/863)；REACH.