AUDIO
FEATURES
|
HD
voice: |
HD
handset, HD speaker
|
Smart
Noise Filtering |
|
Wideband
codec: |
Opus,
G.722
|
Narrowband
codec: |
G.711(A/μ), G.723.1, G.729,
G.729A, 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
|
2 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 |
|
Local 5-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
|
|
Integrated
screenshots
|
|
RTCP-XR,
VQ-RTCPXR
|
|
Enhanced DSS
Key |
|
DIRECTORY |
Loal
phonebook up to 1000 entries
|
|
Black list |
|
XML/LDAP
remote phonebook |
|
Smart dialing |
|
Phonebook
search/import/export |
|
Call history: |
dialed/received/missed/forwarded
|
IP-BPX
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 |
|
Visual voice
mail |
|
Call
recording |
|
DISPLAY
AND INDICATOR |
2.3”
132x64-pixel graphical LCD with backlight |
|
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 |
|
Screensaver |
|
Power saving |
|
FEATURE
KEYS |
2 line
keys with LED |
|
6 features
keys: |
transfer,
message, headset,
redial, mute, hands-free speakerphone |
5 navigation
keys |
|
Volume
control keys |
|
INTERFACE |
Dual-port
Gigabit Ethernet
|
|
Power over
Ethernet (IEEE 802.3af), class 2 |
|
1 x RJ9
(4P4C) handset port |
|
1 x RJ9
(4P4C) headset port |
|
OTHER
PHYSICAL FEATURES |
Color: |
Classic Grey |
Wall
mountable |
|
External
Yealink AC adapter: |
AC 100~240V
input and DC 5V/600mA output |
Power
consumption (PSU): |
2-3W |
Power
consumption (PoE): |
3-4W |
Dimension
(W*D*H*T): |
188mm*189mm*162mm*50mm |
Operating
humidity: |
10~95% |
Operating
temperature: |
-10~50°C (+14~122°F) |
MANAGEMENT |
Configuration: |
browser/phone/auto-provision |
Auto
provision via FTP/TFTP/HTTP/HTTPS for
mass deploy |
|
Auto-provision
with PnP |
|
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
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 |
|
PACKAGE FEATURES |
Package
content:
|
Yealink
SIP-T31G IP phone |
|
Handset with
handset cord
|
|
Ethernet
Cable (1.5m CAT5E UTP Cable) |
|
Stand |
|
Quick Start
Guide |
|
Power
Adapter (Optional) |
Qty/CTN: |
10 PCS |
N.W/CTN: |
9.98 kg |
G.W/CTN: |
10.836 kg |
Giftbox size: |
213 mm*210
mm*103 mm |
Carton Meas: |
535 mm*443
mm*227 mm |