Grandstream Desktop Hotel Phone with Built-in WiFi - Black (GHP621W)

SPECIFICATIONS

Protocols/StandardsSIP: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, TLS, SRTPNetwork: IPv4, IPv6, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, SSH, TFTP, NTP, STUN, LLDP, TR-069, 802.1xWi-FiIntegrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/acFeature Keys26 keys, including:6 programmable keys;12 Standard Phone Digits keys (0-9: speed dial keys configuration on web page, * , #);5 Function keys (Flash, Redial, Hands-free, Voice Mail, Hold);3 Volume Control keys, Up/Down/Mute (with red color LED)HD AudioOne HD handset support for wide band audioVoice Conferencing2 SIP accounts and lines, up to 3-way conferenceVoice Codecs and CapabilitiesSupport for G.729A/B, G.711/a-law, G.726, G.722 (wide-band), G.723, iLBC, full band Opus, Inband and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJBTelephony FeaturesDial, Answer, Redial, Flash ,Hands-free, Voice Mail(with the server), Transfer, Conference, Hold/Unhold, Mute /Unmute, flexible dial plan, Speed dial server redundancy & fail-over Call outAdvanced FeaturesSupport for multicast paging and E911 service.Support GDS Door opening.Support for advanced jitter-resilience algorithm.USBUSB Type-C port for charging external devices (500mA MAX)Wall Installation1 Wall Mountable BaseQoSLayer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoSSecuritySecure boot, random default password, unique security certificate per device, administrator level passwords, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access controlMulti-languageEnglish and ChineseUpgrade/ProvisioningFirmware upgrade via FTP / TFTP / HTTP / HTTPS, fast boot in 15 seconds, mass provisioningusing GDMS/TR-069 or AES encrypted XML configuration filePower & Green Energy EfficiencyUniversal power adapter (GHP620W/GHP621W):Input: 100240Vac 5060HzOutput: 12V/0.5A(6W)Temperature and HumidityOperation: 0C to 40CStorage: -10C to 60CHumidity: 10% to 90% (Non-condensing)Package ContentGHP phone, handset with cord, Base Stand, faceplate, Quick Installation GuideColorBlackPhysical210mm(L)*132mm(W)*89.8mm(H) (with handset and base stand)Unit weight: 620gPackage weight: 920g