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Yealink SIP-T21 with Power Supply

Entry level IP phone with HD voice quality and extra large display for 2 SIP accounts

Product Ref.: YEALINKT21PPS
Yealink SIP-T21P with Power SupplyYealink SIP-T21P

Key features

  • 2 IP accounts
  • 132 x 64 pixel 5-line display
  • Power supply included 
  • RJ9 headset port
  • HD voice
  • Compatible with leading IP PBX providers

Pre-order this product

£51.98 ex. VAT
£43.99 ex. VAT
£52.79 incl. VAT
Call us on 0333 123 3050 for information on availability of this product Pre-Order

Product information
This pack includes:

The Yealink SIP-T21 is an entry level IP  desktop phone supporting 2 VoIP accounts with advanced features such as HD audio and a large 5-line LCD. The SIP-T21 supports IPv&, Open VPM and a redundancy server, plus SRTP, HTTPS.

It also provides a variety of features such as dual Ethernet ports, headset port, phonebook for 1000 entries, SMS, 4 soft keys and 3-way conferencing. PoE and PnP ports and compatibility with the leading IP-PBX and soft switch developments.


  • 2 VoIP accounts, hotline, emergency call
  • Call waiting, call transfer, call forward
  • Hold, mute, flash, auto-answer, redial
  • 3-way conference, DND, speed dial
  • Full duplex speakerphone
  • Phonebook for 1000 entries
  • Import/export, call history
  • Volume adjustment, ring tone selection
  • Tone scheme, System log
  • Multi-language (more than 20)
  • Dial plan, dial-now
  • Voicemail, MWI
  • Intercom, Paging
  • Call park, call pickup
  • Distinctive ringtone
  • Wideband codec: G.722
  • Narrowband codec: G.711, G.723.1, G.726, G.729AB, VAD, CNG, AEC, PLC, AJB, AGC
  • Full-duplex hands-free speakerphone with AEC
  • SIP v1 (RFC2543), v2 (RFC3261)
  • NAT Traversal: STUN mode
  • DTMF: In-Band, RFC2833, SIP Info
  • Proxy mode and peer-to-peer SIP link mode
  • IP Assignment: Static/DHCP/PPPoE
  • TFTP/DHCP/PPPoE client
  • Telnet/HTTP/HTTPS server
  • DNS client
  • NAT/DHCP server
  • FTP/TFTP/HTTP/PnP auto-provision
  • Configuration: browser/phone/auto-provision
  • Direct IP call without SIP proxy
  • Dial number via SIP server
  • Dial URL via SIP server
  • HTTPS (server/client)
  • SRTP (RFC3711)
  • Transport Layer Security (TLS)
  • VLAN (802.1 pq), QoS
  • Digest authentication using MD5/MD5-sess
  • Secure configuration file via AES encryption
  • Phone lock for personal privacy protection
  • Admin/user configuration mode
  • TI TITAN chipset
  • 5-line LCD
  • 31 keys
  • 4 LEDs: 1xpower, 2xline, 1xmessage
  • 1xRJ9 handset port
  • 1xRJ9 headset port
  • Wall-mounted
  • Power adapter: AC 100~240V input and DC 5V/1.2A Output
  • Power consumption: 1.4-2.6W
  • Net weight: 0.81kg
  • Dimension: 209 x 188 x 41mm
Warranty 1 year
Freemate DH037U-GY
£29.99 ex. VAT
Yealink YHS33 Corded Headset with Free Cable
£38.99 ex. VAT
Replacement handset for Yealink T21
£14.99 ex. VAT
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