Yealink SIP-T52S 16 Line IP HD Phone

SIP-T52S 16 Line IP HD Phone, 2.8″ 320 x 240 colour screen, HD voice, Dual Gig Ports, built in Bluetooth, Wi-Fi via WF40, USB 2.0 Port

Especially designed for busy executives and professionals, Yealink SIP-T52S is an ease-of-use Media IP Phone with a 2.8-inch colour-screen and a distinctive appearance and structure. For its simplified and human-friendly design as well as user interface, it brings the IP phone and users more closer and unceasingly boosts the operating experience. With respect to Yealink Optima HD voice technology, T52S enhances its audio quality via adding Opus audio codec, so that it delivers superb audio quality and crystal-clear voice communications.

Meanwhile, Yealink SIP-T52S built with Gigabit Ethernet technology, a built-in Bluetooth and a built-in USB 2.0 port, intending to enhance collaboration and productivity Yealink SIP-T52S is designed to satisfy the users who need for a higher cost-performance IP phone with the improvement of hardware, audio quality, user experience, collaboration efficiency, etc.

Data Sheet

Features
• New structure design
• 2.8″ 320 x 240-pixel colour display with backlight
• Built-in Bluetooth 2.1
• USB 2.0 port for USB recording and wired/wireless USB headsets
• Opus Codec support
• T54S&T52S firmware and Auto-P template unified
• Up to 12 VoIP accounts
• Dual-port Gigabit Ethernet
• PoE support
• Paperless label design
• Wi-Fi via WF40
• Colour-screen Expansion Module support
• Stand with 2 adjustable angles
• New structure design

Specification

Audio Features
• HD voice: HD handset, HD speaker
• Hearing aid compatible (HAC) handset
• Audio codec: Opus, G.722, G.711 (A/µ), G.723, G.723.1, G.726, G.729AB, 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
• 12 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
• 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 Bluetooth for Bluetooth headset, Mobile contacts synchronization
• USB port (2.0 compliant) for wired/wireless USB headset,  Wi-Fi through WF40 and USB call recording through USB Flash Drive

Directory
• Local phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Smart dialling
• Phonebook search/import/export
• Call history: dialled/received/missed/forwarded

IP-PBX Features
• Busy Lamp Field (BLF)
• Bridged Line Appearance (BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating
• Call park, call pickup
• Executive and Assistant
• Centralized call recording
• Call recording

Display and Indicator
• 2.8″ 320 x 240-pixel colour display with backlight
• 16 bit depth colour
• LED for call and message waiting indication
• Dual-colour (red or green) illuminated LEDs for line status information
• Wallpaper
• Intuitive user interface with icons and soft keys
• Multilingual user interface
• Caller ID with name and number
• Screensaver
• Power saving

Feature keys
• 8 line keys with LED
• 8 line keys can be programmed up to 21 various features (3-page view)
• 5 features keys mute, headset, message, 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
• 1 x USB port (2.0 compliant)
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
• Supports up to 3 colour-screen expansion modules

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
• T54S&T52S unified firmware and Auto-P template

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/PPPoE
• 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 DSCP
• SRTP for voice
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
• Pv6, LLDP/CDP/DHCP VLAN, ICE