Yealink SIP-T40G
Remarkable Quality and Design
The Yealink T4 series represents the cutting edge of VoIP technology and is intended for discerning users with extremely high expectations for IP phones. Revolutionary in appearance and technical design, the T4 series is pleasurable and practical to use. Advanced features include support for gigabit networks, rich programmable DSS keys that tailor the IP phone features to specific needs, and support for Bluetooth headsets that give users more freedom at work. Enhanced sound quality is delivered by the Optima HD Voice system, which meets TIA 920 certification standards. Yealink's T4 series is the ideal marriage of perfection and performance.
Ultimate Performance, Cutting-edge Innovation
The Yealink T4 series represents the cutting edge of VoIP technology and is intended for discerning users with extremely high expectations for IP phones. Revolutionary in appearance and technical design, the T4 series is pleasurable and practical to use. Advanced features include support for gigabit networks, rich programmable DSS keys that tailor the IP phone features to specific needs, and support for Bluetooth headsets that give users more freedom at work. Enhanced sound quality is delivered by the Optima HD Voice system, which meets TIA 920 certification standards. Yealink's T4 series is the ideal marriage of perfection and performance.
Remarkable Quality and Design
The Yealink T4 series represents the cutting edge of VoIP technology and is intended for discerning users with extremely high expectations for IP phones. Revolutionary in appearance and technical design, the T4 series is pleasurable and practical to use. Advanced features include support for gigabit networks, rich programmable DSS keys that tailor the IP phone features to specific needs, and support for Bluetooth headsets that give users more freedom at work. Enhanced sound quality is delivered by the Optima HD Voice system, which meets TIA 920 certification standards. Yealink's T4 series is the ideal marriage of perfection and performance.
Optima HD Voice
Yealink T4 Series' Optima HD Voice system, which meets TIA 920 certification standards, maximizes acoustic performance and creates a virtual face-to-face experience.
| SIP T40G | |
|---|---|
| LCD | 2.3" graphical LCD |
| Resolution | 132 x 64 |
| LCD Backlight | √ |
| Line | 3 |
| PoE | √ |
| GigE | √ |
| Wall Mounting | √ |
| Foot Stand | 2 adjustable angles |
| USB Port (2.0 compliant) | x |
| Ethernet Port | Dual-port Gigabit Ethernet |
| Handset Port (RJ-9) | √ |
| Headset Port (RJ-9) | √ |
| External Yealink AC Adapter (optional) | AC 100~240V input and DC 5V/600mA output |
| Line Key | 3 |
| Memory Key | 3 |
| Yealink EXP50 Expansion Module (Accessory, purchased separately) |
X |
| Yealink EXP40 Expansion Module (Accessory, purchased separately) |
X |
| Yealink EXP20 Expansion Module (Accessory, purchased separately) |
X |
| Yealink EHS36 Wireless Headset Adapter (Accessory, purchased separately) |
√ |
| Yealink YHS32 Headset (Accessory, purchased separately) |
x |
| Yealink Bluetooth Adapter BT40 (Accessory, purchased separately) |
x |
| Yealink Wi-Fi Adapter WF40 (Accessory, purchased separately) |
x |
| USB Recording | x |
| 3-way Conferencing | √ |
| HD Voice | HD Speaker HD Handset |
| Wide-band Codecs | G.722，Opus |
| Narrow-band Codecs | G.711(A/µ), G.729A/B, G.726, iLBC |
| LCD Type | Fixed |
| Operating System | Linux |
| Built-in Bluetooth | X |
| Built-in Wi-Fi | X |
| USB Headset (Accessory, purchased separately) |
x |
| Camera | X |
| Video Resolution | X |
| Video Codecs | X |
| 3-way Video Conferencing | X |
| 5-way video/audio mixed conferencing | X |
| HDMI | X |
