P
Yealink

Yealink SIP-T31G

VoIP phone 5-way call capability SIP SIP v2 SRTP 2 lines classic gray

MPNSIP-T31GIP phonesUpdated

Key facts

Part number
SIP-T31G
Brand
Yealink
Category
IP phones
Equivalent part numbers
  • 6938818306059(UPC)
Price
AUD 127.60≈ USD 89.08 RRP
Availability
On request — ask for a quote

The Yealink SIP-T31G is an IP phone listed in the Prology Parts Index. It is also known as UPC 6938818306059. RRP AUD 127.60≈ USD 89.08 (Oct 2026). Request a quote for volume pricing, or sell us your used IP phones.

Overview

SIP-T31G - VoIP phone - 5-way call capability - SIP - SIP v2 - SRTP - 2 lines - classic gray

Specifications

Dimensions & Weight (Base)

Depth
18.9 cm
Height
16.2 cm
Width
18.8 cm

Display

Backlit
Yes
Diagonal Size
2.3"
Display Location
Base
Display Resolution
132 x 64 pixels
Type
LCD display - monochrome

General

Body Colour
Classic gray
Product Type
VoIP phone

IP Telephony

IP Address Assignment
DHCP, static, PPPoE
Lines Supported
2 lines
Main Features
Multiple VoIP protocol support, integrated Ethernet switch
Network Features
Network Address Translation (NAT), Lightweight Directory Access Protocol (LDAP)
Network Protocols
IP, TFTP, HTTP, DNS, SNMP, HTTPS, Link Layer Discovery Protocol (LLDP), SRTP, STUN
Power Over Ethernet (PoE) Support
Yes
Quality of Service
IEEE 802.1Q (VLAN), IEEE 802.1p
Security
TLS
VoIP
Yes
VoIP Protocols
SIP, SIP v2, SRTP
Voice Codecs
G.722, G.723.1, G.729ab, G.726, iLBC, G.711A/µ
Voice Features
Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC)

Miscellaneous

Cables Included
Ethernet cable
Connections
Headset jack / RJ-9 , Handset jack / RJ-9
Included Accessories
Stand
Placing / Mounting
Wall-mountable, table-top

Phone Features

Additional Functions
Call recording, Intercom
Call Services
Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Conference Call Capability
5-way
Dialer Location
Base
Indicators
Voice message waiting indicator
Speakerphone
Yes
Volume Control
Yes

Phone Memory

Phone Directory Capacity
1000 names & numbers

Price history

Latest
AUD 127.60≈ USD 89.08
Oct 2026
Lowest recorded
AUD 127.60≈ USD 89.08
Highest recorded
AUD 127.60≈ USD 89.08
Recorded
2026
1 price point

AUD 127.60 rrp, recorded

Why buy from Prology

  • Tested before dispatchEvery item is checked by our technicians before it ships.
  • Warranty includedParts are covered by a Prology warranty – ask us for the terms.
  • Fast shippingDispatched from our Australian and US locations.
  • Real people, quick repliesQuotes and answers within 1 business day.

Request a quote for SIP-T31G

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More Yealink IP phones

All Yealink parts starting with “S” · All Yealink part numbers

We buy it

Have this part spare? We buy it

Prology buys used and surplus IP phones – including SIP-T31G. Sell outright or trade in against your next order. Offer within 1 business day.