View all products Yealink T20 VoIP phone

Product information

inc. VAT

Yealink expands its lineup of IP phones with a new entry-level product SIP-T20.

It features a two-line display and 5 hard keys for controlling the various functions.

It allows users to make calls in a simple, convenient and reliable manner with an excellent price-performance ratio.

SIP-T20 is easy to install and inexpensive to start up, it can be reliably integrated into various SIP-based network solutions.

It is ideally suited for environments in which basic business features are required.



Stock availability:end of life
Excluding VATIncluding VAT
Single unit price £53.03£63.64
5+ price£51.47£61.76
10+ price£50.00£60.00

Delivery and availability

Stock availability: end of life.


Network Features

  • SIP v1(RFC2543), v2(RFC3261)
  • 2 User accounts
  • NAT Transverse: STUN mode
  • IP Assignment: Static/DHCP/PPPoE
  • In-Band DTMF, Out-of-Band DTMF, SIP Info
  • Proxy mode and Peer-to-peer SIP link mode
  • TFTP/DHCP/PPPoE client
  • Telnet/HTTP server
  • DNS client
  • NAT/DHCP server
  • Support VLAN, QoS
  • PoE optional


Telephony Features

  • Call Hold, Call Waiting, Call Transfer, Call Forward
  • Caller ID, Call List, DND, Redial, Flash
  • 3-way Conference, Speed Dial
  • Personal Ring Tone, Voicemail
  • Volume Adjustment, Mute, Speakerphone
  • Security
  • Secure RTP
  • Digest authentication using MD5/MD5-sess
  • Secure configuration file via AES encryption

Physical Features

  • TI Titan Chipset
  • LCD: 2 Lines, 2x16
  • 2 programmable keys
  • 23 hard keys, 2 indication LEDs
  • Headset port: RJ9
  • Network Interface: 2xRJ45 10/100M ports
  • Dimension:185 X 200 X 90mm
  • Net Weight:0.77kg
  • Power adapter: Input: AC 100~240V
  • Output: DC 5V/1A
  • Operating humidity: 10~95%
  • Storage temperature: up to 60 C

Package Features

  • Qty/CTN: 10 PCS
  • N.W/CTN:22.86KG
  • G.W/CTN:25.26KG
  • Measurement: 0.073CMB
  • Carton Meas: 565 x 550 x 235MM
  • Config, Upgrade and Usage
  • Firmware Upgrade: TFTP/Console/Auto-provision
  • Auto-provision: TR069 Optional
  • Direct IP call without SIP proxy
  • Dial number via SIP server
  • Dial URL via SIP server

Voice Features

  • Wideband Codec: G.722, voice
  • spectrum between 50-7000Hz
  • Narrowband Codecs: G.711, G.726,
  • G.723.1/iLBC, G.729AB and GSM
  • Full-duplex hands-free speakerphone
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