Especially designed for busy executives and professionals, Yealink SIP-T54W is an easy-to-use Prime Business Phone with an adjustable 4.3-inch color LCD screen that you can easily and flexibly find the comfortable viewing angle according to the personal and environmental needs. With the built-in Bluetooth 4.2 and the built-in dual band 2.4G/5G Wi-Fi, the SIP-T54W IP Phone ensures you to keep up with the modern wireless technology and take the first chance in the future wireless age. Its built-in USB 2.0 port allows for USB recording or a direct wired/wireless USB headset or up to three Yealink EXP50 expansion modules connection. Benefitting from these features, the Yealink SIP-T54W is a powerful and expandable office phone that delivers optimum desktop efficient and productivity.\nAudio Features HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Acoustic Shield Audio codec: Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, iLBC DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO Full-duplex hands-free speakerphone with AEC VAD, CNG, AEC, PLC, AJB, AGC\nPhone Features 16 VoIP accounts Call hold, call forward, call waiting, call transfer One-touch speed dial, hotline, mute, DND Group listening, SMS, emergency call Redial, call return, auto answer 3-way conferencing Direct IP call without SIP proxy Ring tone selection/import/delete Set date time manually or automatically Dial plan, XML Browser, Action URL/URI RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) Built-in dual band Wi-Fi:- Network standard: IEEE802.11a/b/g/n/ac- Transmission rate: Up to 433Mbps (dynamic)- Frequency range: 2.4GHz/5.0GHz Built-in Bluetooth for:- Bluetooth headset,- Mobile contacts synchronization- Bluetooth call USB port (2.0 compliant) for:- Wired/wireless USB headset- USB call recording through USB flash drive- Color-screen expansion modules EXP50 (up to 3) Content Sharing (via Yealink VCD)(1) Enhanced DSS key\nDirectory Local phonebook up to 1000 entries Black list XML/LDAP remote phonebook Smart dialing Phonebook search/import/export Call history: dialed/received/missed/forwarded\nCorded-Cordless Phone (via DECT Dongle DD10K) Up to 4 DECT cordless handsets Up to 4 concurrent calls Support Yealink W52H/W53H/W56H/DD Phone Slave Handset for Master Deskset\nIP-PBX Features Busy Lamp Field (BLF) Bridged Line Apperance (BLA) Anonymous call, anonymous call rejection Hot-desking, voice mail Flexible seating Executive and Assistant Call park, call pickup Centralized call recording, call recording\nDisplay and Indicator 4.3\
