Description
yealink sip-t31 ip phone specs:
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| Yealink SIP-T31 IP Phone Technical Specifications | |
| Audio functions | HD voice: HD handset, HD speaker nIntelligent noise filtering nWideband codec: Opus, G. 722 nNarrowband codec: G. 711(A/μ), G. 723.1, G. 729AB, G. 726, iLBC nDTMF: in-band, out-of-band (RFC 2833) and SIP INFO nFull-duplex speakerphone with AEC nVAD, CNG, AEC, PLC, AJB, AGC |
| Phone Features | 2 VoIP accounts nCall hold, mute, DND nOne-touch speed dialling, hotline nCall forward, call waiting, call transfer nGroup listening, SMS, emergency call nRedial, call return, auto answer nLocal 5-way conferencing nDirect IP connection without SIP proxy server nRingtone selection/import/delete nSet time of day manually or automatically nDial plan nXML browser, action URL / URI nIntegrated screenshots nRTCP-XR, VQ-RTCPXR nEnhanced DSS key |
| Catalogue | Loal phone book with up to 1000 entries nBlacklist nXML / LDAP remote phonebook nSmart dial nPhone book search/import/export nCall history: dialed/received/missed/forwarded |
| IP-PBX features | Busy Lamp Field (BLF), Bridged Line Apperance (BLA) nAnonymous call, Anonymous reject nHot-desking, voice mail nFlexible seating nCall park, call pickup nSupervisor and Assistant nCentralised call recording nVisual voicemail nCall recording |
| Display and indicator | 2.3″ 132×64 pixel graphic LCD with backlight nLED indicating calls and messages waiting nBicolour (red or green) backlit LED for line status information nIntuitive user interface with icons and soft keys nMultilingual user interface nCaller ID with name and number nEnergy Saving |
| Function keys | 2 line keys with LED n6 function keys: transfer, message, headset, redial, mute, speakerphone n5 navigation keys nVolume control keys |
| Interface | 2 x Ethernet RJ45 10/100M ports n1 x Headset port RJ9 (4P4C) n1 x RJ9 headset port (4P4C) |
| Management | Configuration: browser / phone / auto start nAuto-sharing via FTP/TFTP/HTTP/HTTPS for mass installation nAuto-provisioning with PnP nZero-sp-touch, TR-069 nPhone lock for privacy protection nReset to factory default, reboot nExport packet trace, system log |
| Network and security | SIP v1 (RFC2543), v2 (RFC3261) nCall server redundancy supported nNAT traversal: STUN mode nProxy and SIP peer-to-peer link mode nIP assignment: static / DHCP nHTTP/HTTPS web server nTime and date synchronization via SNTP nUDP / TCP / DNS-SRV (RFC 3263) nQoS: 802.1 p/Q tagging (VLAN), Layer 3 TOS DSCP nSRTP for voice nTransport Layer Security (TLS) nHTTPS certificate manager nAES encryption for configuration file nDigest authentication nOpenVPN, IEEE802.1x nIPv6 nLLDP/CDP / DHCP VLAN nICE |
| Other physical characteristics | |
| Colour | Grey Classic |
| Installation possibility | On the wall |
| External power adapter by Yealink | AC input 100~240V and DC output 5V/600mA |
| Power consumption (power supply) | 2-3W |
| Dimension (W*D*H*T) | 188 mm * 189 mm * 162 mm * 50 mm |
| Operating humidity | 10~95% |
| Operating temperature | -10~50°C (+14~122°F) |
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