Audio
Features |
HD
voice: HD handset, HD speaker |
|
Hearing
aid compatible (HAC) handset |
|
Wideband
codec: AMR-WB (optional),Opus, G.722 |
|
Narrowband
codec: AMR-NB (optional),Opus, 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, |
|
-USB
call recording through USB flash drive |
|
Enhanced
DSS key |
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 |
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 |
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 interfac |
|
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 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 |
|
OpenVPN,
IEEE802.1X |
|
IPv6,
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 |