Yealink T29G
Delivers the industry’s leading HD audio quality
Reliable Desktop Voice Solution with HD Voice Quality and Great Value T2 Series of Business-grade IP Phones The Yealink T2 series of business-grade IP phones features a compact appearance, robust performance and cost efficiency for daily desktop voice communications. The series delivers the industry’s leading HD audio quality and a wide range of telephony features to ensure efficient collaboration. With advanced features such as Gigabit Ethernet, USB connectivity and a paperless design, the Yealink T2 series helps all business users and SMBs in particular to enjoy added value and a productivity boost
HD Voice
The Yealink T2 delivers an efficient and productive call experience with Yealink’s HD Voice Technology by incorporating premium software and hardware design, advanced acoustic clarity technologies and the addition of Opus* to its comprehensive list of supported audio codecs.
| Model | SIP-T29G | SIP-T27G | SIP-T23G | SIP-T23P | SIP-T21(P) E2 | SIP-T19(P) E2 |
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| Datasheet | Datasheet | Datasheet | Datasheet | Datasheet | Datasheet | |
| LCD | 4.3″ color LCD | 3.66″ graphical LCD | 2.8″ 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 | 132 x 64 |
| LCD Backlight | √ | √ | √ | √ | √ | x |
| Line | 16 | 6 | 3 | 3 | 2 | 1 |
| PoE | √ | √ | √ | √ | √ (T21P E2) | √ (T19P E2) |
| GigE | √ | √ | √ | x | x | x |
| Wall Mounting | √ | √ | √ | √ | √ | √ |
| Foot Stand | 2 adjustable angles | 2 adjustable angles | 1adjustable angle | 1adjustable angle | 1adjustable angle | 1adjustable angle |
| USB Port (2.0 compliant) | 1 | 1 | x | 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 | 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 | 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) |
| 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 | 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 | 3 | 2 | 0 |
| Memory Key | 27 (3 pages of 9 keys) | 21 (3 pages of 7 keys) | 3 | 3 | 2 | 0 |
| EXP50 Expansion Module (Accessory, purchased separately) | X | X | X | X | X | X |
| Yealink EXP40 Expansion Module (Accessory, purchased separately) | x | x | x | x | x | x |
| Yealink EXP20 Expansion Module (Accessory, purchased separately) | √ | √ | x | x | x | x |
| Yealink EHS36 Wireless Headset Adapter (Accessory, purchased separately) | √ | √ | x | x | x | x |
| Yealink YHS32 Headset (Accessory, purchased separately) | √ | √ | √ | √ | √ | √ |
| Yealink Bluetooth Adapter BT40 (Accessory, purchased separately) | √ | √ | x | x | x | x |
| Yealink Wi-Fi Adapter WF40 (Accessory, purchased separately) | √ | √ | x | x | x | x |
| USB Recording | √ | √ | x | 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 Speaker HD Handset | HD Handset |
| Wide-band Codecs | G.722 | G.722,Opus | G.722, Opus | G.722, Opus | G.722, Opus | G.722, Opus |
| Wide-band Codecs | G.722 | G.722,Opus | 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 | G.711(A/µ), G.729AB, G.726, iLBC |
| LCD Type | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed |
| Operating System | Linux | Linux | Linux | Linux | Linux | Linux |
| Operating System | Linux | Linux | Linux | Linux | Linux | Linux |
| Built-in Bluetooth | X | X | X | X | X | X |
| Built-in Wi-Fi | X | X | X | X | X | X |
| USB Headset (Accessory, purchased separately) | X | X | X | X | X | X |
| Camera | X | X | X | X | X | X |
| Video Resolution | X | X | X | X | X | X |
| Video Codecs | X | X | X | X | X | X |
| 3-way Video Conferencing | X | X | X | X | X | X |
| 5-way video/audio mixed conferencing | X | X | X | X | X | X |
| HDMI | X | X | X | X | X | X |