Posebno dizajniran za zaposlene menadžere i profesionalce, Yealink SIP-T52S je IP telefon jednostavan za korišćenje, sa ekranom u boji dijagonale 2,8 inča i karakterističnim dizajnom. Uz Yealink Optima HD tehnologiju, SIP-T52S dodatno poboljšava kvalitet zvuka korišćenjem Opus širokopojasnog codeca, pružajući korisnicima superioran kvalitet glasovne komunikacije.

Ugrađeni Gigabit Ethernet portovi i Bluetooth, kao i USB priključak, dodatno podižu razinu kolaboracije i produktivnosti.

• Novi dizajn
• 2.8" 320 x 240 ekran u boji
• Ugrađen Bluetooth 2.1
• USB 2.0 port za USB snimanje i spajanje žičnih/bežičnih USB slušalica
• Podrška za Opus codec
• Unificirani T54S&T52S firmware i Auto-P template
• Do 12 SIP naloga
• Dva Gigabit Ethernet porta
• PoE
• Dizajn bez korišćenja papirnih oznaka
• Wi-Fi uz WF40
• Podržava dodatne konzole sa ekranom u boji EXP50
• Postolje s dva ugla nagiba

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

Display and Indicator

2.8" 320 x 240-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

Wallpaper

Intuitive user interface with icons and soft keys

Multilingual user interface

Caller ID with name and number

Screensaver

Power saving

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, USB call recording through USB flash drive

Enhanced DSS key

IP-PBX Features

Busy Lamp Field (BLF)

Bridged Line Apperance (BLA)

Anonymous call, anonymous call rejection

Hot-desking, voice mail

Flexible seating

Call park, call pickup

Executive and Assistant

Centralized call recording

Call recording

Directory

Local phonebook up to 1000 entries

Black list

XML/LDAP remote phonebook

Smart dialing

Phonebook search / import / export

Call history: dialed / received / missed / forwarded

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 color-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

Other Physical Features

Stand with 2 adjustable angles

Wall mountable (optional)

External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output

Power consumption (PSU): 1.9W-3.4W

Power consumption (PoE): 2.1W-4.0W

Dimension (W*D*H*T): 211.6mm * 212.0mm * 166.8mm * 42.6mm

Operating humidity: 10~95%

Operating temperature: -10~40°C (+14~104°F)

Package Features

Package content:

- Yealink SIP-T52S IP phone

- Handset with handset cord

- Ethernet Cable

- Stand

- Quick Start Guide

- Power Adapter (Optional)

Qty/CTN: 5 PCS

N.W/CTN: 6.4 kg

G.W/CTN: 7.1 kg

Giftbox size: 249 mm*255 mm*128 mm

Carton Meas: 660 mm*263 mm*261 mm