Details Specifications Resources Accessories
 Model SIP-T29G SIP-T27G SIP-T23G SIP-T21(P) E2 SIP-T19(P) E2
Download Datasheet Datasheet Datasheet Datasheet Datasheet
LCD 4.3" color LCD 3.66" graphical LCD 2.8" graphical LCD 2.3" graphical LCD 2.3" graphical LCD
Resolution 480 x 272 240 x 120 132 x 64 132 x 64 132 x 64
LCD Backlight x
Line 16 6 3 2 1
PoE √ (T21P E2) √ (T19P E2)
GigE x x
Wall Mounting
Foot Stand 2 adjustable angles 2 adjustable angles 1adjustable angle 1adjustable angle 1adjustable angle
USB Port (2.0 compliant) 1 1 x x x
Ethernet Port Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet  2 x RJ45 10/100M Ethernet ports  2 x RJ45 10/100M Ethernet ports
Handset Port (RJ-9)
Headset Port (RJ-9)
External Yealink AC Adapter (optional)  AC 100~240V input and DC 5V/2A output  AC 100~240V input and DC 5V/1.2A output  AC 100~240V input and DC 5V/600mA output  AC 100~240V input and DC 5V/600mA output
       (T21 E2: Standard/T21P E2: Optional)
 AC 100~240V input and DC 5V/600mA output
      (T19 E2: Standard/T19P E2: Optional)
Line Key 10 8 3 2 0
Memory Key 27 (3 pages of 9 keys) 21 (3 pages of 7 keys) 3 2 0
Yealink EXP50 Expansion Module  X X X X X
Yealink EXP40 Expansion Module  x x x x x
Yealink EXP20 Expansion Module  x x x
Yealink EHS36 Wireless Headset Adapter x x x
Yealink YHS32 Headset
Yealink Bluetooth Adapter BT40 x x x
Yealink Wi-Fi Adapter WF40 x x x
USB Recording x x x
3-way Conferencing
HD Voice HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Handset
Wide-band Codecs G.722 G.722,Opus G.722, Opus G.722, Opus G.722, Opus
Narrow-band Codecs G.711(A/µ), G.723, G.729AB,
G.726, iLBC
G.711(A/µ), G.729A/B, G.726,
 G.723.1, iLBC, Opus
 G.711(A/µ), G.729AB, G.726, iLBC  G.711(A/µ), G.729AB, G.726, iLBC  G.711(A/µ), G.729AB, G.726, iLBC
LCD Type Fixed Fixed Fixed Fixed Fixed
Operating System Linux Linux Linux Linux Linux
Built-in Bluetooth X X X X X
Built-in Wi-Fi X X X X X
USB Headset X X X X X
Camera X X X X X
Video Resolution X X X X X
Video Codecs X X X X X
3-way Video Conferencing X X X X X
5-way video/audio mixed conferencing X X X X X
WF40 BT40 EXP20 EHS36 YHS33


  • Supports Yealink SIP-T27G/T29G/T46G/T48G/T41S/ T42S/T46S/T48S/T52S/T54S
  • Reliable Connection
  • Ease-of-use
  • Plug and Play
  • High Transmission Rate
  • Lower Power Consumption
  • Datasheet Download


  • Supports Yealink SIP-T27G/T29G/T46G/T48G/ T41S/T42S/T46S/T48S
  • Wideband audio support
  • Answer/Terminate calls through wireless headset
  • 10m Range
  • Datasheet Download


  • A diverse range of actionable, LCD-accessible icons
  • 160x320 graphic LCD with backlight
  • 20 physical, dual-color LED programmable keys
  • 18 additional keys available
  • > Supports up to six modules
  • Two accessible pages
  • Stand with two adjustable angles
  • Two or less expansion modules can be powered by the host phone
  • Datasheet Download


  • Compatible with Jabra, Plantronics, Sennheiser
  • Control phone through wireless headset
  • Plug and play
  • Easy to use
  • Datasheet Download


  • Wideband audio for more natural sound and clearer conversations
  • Premium audio assures quality costomer communications
  • Ultra microphone noise cancelling
  • Ergonomic design for all day comfort
  • 330° pivoting microphone boom
  • Featherweight and soft ear cushions are easy on your ears
  • Over-the-head, all-day comfortable design for intensive use
  • Plug and play
  • Datasheet Download
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