> HD voice: HD handset, HD speaker > Hearing aid compatible (HAC) handset > Acoustic Shield > Smart Noise Filtering > Wideband codec: Opus, G.722 > Narrowband codec: Opus, PCMU(G.711µ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, 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
Phone Features
> 16 VoIP accounts > Call hold, mute, DND > One-touch speed dial, hotline > Call forward, call waiting, call transfer > Group listening, SMS, emergency call > Redial, call return, auto answer > 10-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) > Dual USB ports (2.0 compliant) - Bluetooth headset through BT40/BT41/BT52 Support Yealink Bluetooth headset BH71/BH71 Workstation/ BH71 Workstation Pro/BH72/BH76/UH38 through BT52 - DECT wireless headset (Yealink WH62 Portable/WH63 Portable) - Contact synchronization through BT40/BT41/BT52 - Simultaneous connection of one headset and one mobile phone through BT40/BT41/BT52 - Wi-Fi through WF40/WF50 - USB call recording through USB flash drive - USB headset - Expansion Module EXP43 - Wireless Headset Adapter EHS40 > USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone/wireless headset UH38, USB connectivity to Yealink wired headset UH34/UH36/UH37: - Basic functions: Answer / end, call mute - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control > Enhanced DSS key
Directory
> Local phonebook up to 1000 entries > Blocklist > XML/LDAP remote phonebook > Smart dialing > Phonebook search/import/export > Call history: dialed/received/missed/forwarded
IP-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 > Visual voice mail > Call recording
Display and Indicator
> 4.3" 480 x 272-pixel color display with backlight > 16 bit depth color > LED for call and message waiting indication > Dual-color (red or green) illuminated LEDs for line status information > Intuitive user interface with icons and soft keys > Multilingual user interface > Caller ID with name and number > Wallpaper, Screensaver, Power saving
Feature keys
> 10 line keys with LED > 10 line keys can be programmed up to 27 paperless DSS keys (3-page view) > 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone > 4 context-sensitive “soft” keys > 6 navigation keys > Volume control keys > Illuminated mute key > Illuminated headset key > Illuminated hands-free speakerphone key
Interface
> Dual-port Gigabit Ethernet > Power over Ethernet (IEEE 802.3af), class 3 > 2 x USB port (2.0 compliant) > 1 x RJ9 (4P4C) handset port > 1 x RJ9 (4P4C) headset port
Other Physical Features
> Color: Classic Grey > Stand with 2 adjustable angles > Wall mountable > USB output currency: 5 V 1 A > Power consumption (PSU): 1.2-3.0 W > Power consumption (PoE): 1.6-3.8 W > Dimension (W*D*H*T): 244 × 213 × 185 × 54 mm > Operating humidity: 5% to 90%, noncondensing > Operating temperature: -10 to +45°C (+14 to 113°F) > Storage temperature: -30 to +70°C (-22 to +158°F)
Management
> Configuration: browser/phone/auto-provision > Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy > Auto-provision with PnP > Broadsoft device management > Zero-sp-touch TR-069 > Phone lock for personal privacy protection > Reset to factory, reboot > Package tracing export, system log
Network and Security
> SIP v1 (RFC2543), v2 (RFC3261) > Call server redundancy supported > NAT traversal: STUN mode > Proxy mode and peer-to-peer SIP link mode > IP assignment: static/DHCP > HTTP/HTTPS web server > Time and date synchronization using SNTP > UDP/TCP/DNS-SRV(RFC 3263) > QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSC > SRTP for voice > Transport Layer Security (TLS 1.3) > HTTPS certificate manager > AES encryption for configuration file (AES256) > Digest authentication: MD5/SHA1/SHA224/SHA256/SHA384/SHA512 > OpenVPN, IEEE802.1X, L2TP VPN > IPv6 > LLDP/CDP/DHCP VLAN > ICE > WPA2/WPA3 > Secure boot > GARP (Generic Attribute Registration Protocol)
Package Features
> Package content: - Yealink SIP-T46U IP phone - Handset with handset cord - Ethernet Cable (2m CAT5E UTP Cable) - Stand - Quick Start Guide > N.W/CTN: 7.2 kg > G.W/CTN: 8.1 kg > Giftbox size: 274 × 255 × 128 mm > Carton Meas: 660 × 286 × 263 mm