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Yealink SIP-T31G 3 Line IP Phone with PoE and Gigabit Ethernet
Brand: Yealink
Product Code: YL-SIP-T31G
Catalog number: 8474
Warranty (months):

Product on demand

Price
73,91
90,91incl. tax
Qty.
-
+
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Description

Yealink SIP-T31G is a VoIP phone supporting 3 SIP accounts. It has been equipped with 2 gigabit Ethernet ports and a monochrome LCD display with a resolution of 132x64px. The device supports PoE in the 802.3af standard, it can also be powered by the DC jack (5 V). Additionally, on the side of the housing there is an RJ-9 port, thanks to which you can connect a hands-free set. The phone is equipped with a speaker and handset that supports HD audio.

The offered product supports modern voice codecs: Opus, G.722, G.711 (A / µ), G.729AB, G.726, iLBC. An important advantage is the extensive provisioning that facilitates remote device configuration and eliminates the need to manually select options. The SIP-T31G uses the RPS (Redirection and Provisioning Service) function and a special boot mechanism. It is compatible with 3CSX and Broadsoft Broadworks as well as Asterisk.

The phone supports numerous functions such as call parking, call transfer and three-way conference. The housing can be placed on a desk or mounted on a wall. The device supports SIP connection via TLS / SSL to maximize security.

Warning! The set does not include the power supply!

The most important features:

  • support for 3 SIP accounts;
  • 2 gigabit Ethernet ports;
  • RJ-9 connector;
  • HD audio;
  • 132x64 px monochrome LCD display;
  • Opus codecs, G.722, G.711 (A / µ), G.729AB, G.726, iLBC;
  • extensive provisioning;
  • PoE 802.3af support.

Specification

SIP-T31G
HD sound Loudspeaker and earpiece
Broadband audio codecs

Opus

G.722

Narrowband audio codecs

G.711(A/µ)

G.729AB

G.726

iLBC

DTMF

In-band

Out-of-band (RFC 2833)

SIP INFO

Other audio features

Hands-free function

in full duplex with AEC

VAD, CNG, PLC, AJB, AGC

General phone properties

3 SIP accounts

Hold / mute a call, DND

Speed Dial

Hotline

Call forwarding

Waiting calls

Call transfer

Hands-free function, SMS

Redial

Redial

Callback

Local tripartite conference

Select / import / delete ringtone

Manual or automatic date and time setting

Numbering plan, off hook hotline

XML Browser, action URL / URI

Screen shots

RTCP-XR, VQ-RTCPXR

Advanced DSS key

Phone book

Up to 1000 entries

Black list

XML / LDAP remote book

Smart dialing

Book search / import / export

Call History: Dialed / Answered / Missed / Forwarded

Properties of IP-PBX

Busy Lamp Field (BLF)

Bridged Line Apperance (BLA)

Hot desking

Emergency calls

Message Waiting Indicator (MWI)

Voicemail, call parking, call retrieval

Intercom, paging, playing while waiting

Call completion

Call recording

Flexible seating

Executive / Assistant

Centralized call recording

Visual voice mail

Display and LEDs

LCD display, resolution 132 x 64 px

LED indicators for connection and message waiting

Two-color (red / green) LEDs on the line buttons

Multilingual interface

Caller ID with name and number

Energy efficiency

Buttons

3 line buttons with LEDs

5 function buttons: message, headset, redial, tran

speaker

6 buttons for navigation

Volume control

Interfaces

Two gigabit Ethernet ports

10/100/1000 Mb / s

Power over Ethernet (IEEE 802.3af) class 2

1x RJ-9 (4P4C) to connect the handset

1x RJ-9 (4P4C) for headset connection

Network and security

SIP v1 (RFC2543), v2 (RFC3261)

Call server redundancy

NAT traveral: STUN mode

Proxy and peer-to-perr SIP link mode

Static IP or DHCP

HTTP / HTTPS web server

Time and date synchronization with SNTP

UDP / TCP / DNS-SRV (RFC 3263)

QoS: 802.1p / Q tagging (VLAN)

Layer 3 ToS DSCP

SRTP

Transport Layer Security (TLS)

HTTPS certificate manager

AES encryption of configuration files

Deep authorization

OpenVPN, IEEE 802.1X

IPv6

LLDP / CDP / DHCP VLAN

ICE

Management

Configuration: browser / phone / auto provisioning

Auto provisioning via: FTP / TFTP / HTTP / HTTPS

Auto-provisioning from PnP

Zero-sp-touch, TR-069

Locking the phone to protect privacy

Factory reset, restart

Exporting package tracing

System log

Physical properties
Montage On a wall or desk
Maximum power consumption (power supply) 0,7 - 1,5 W
Maximum power consumption (PoE) 1 - 2,2 W
Dimensions 209 x 188 x 150 x 41 mm
Permissible air humidity 10%-95%
Permissible working temperature From -10 to 50 °C
The composition of the kit

Telephone

Earphone

Ethernet patch cord 1.5 m

support

Quick Reference