T55A Teams Edition, 4.3" 480x272, HD audio, 2x 1G RJ-45, PoE, USB 2.0, 223x206x127x36 mm
Key Features
- Optima HD voice, HAC Handset
- 4.3" 480 x 272 capacitive touch screen
- Yealink Noise Proof Technology
- 1 USB 2.0 port for USB headsets, Bluetooth dongle and Wi-Fi dongle
- Dual-port Gigabit Ethernet, PoE support
- Wall mountable
- Based on Android OS, upgradability of firmware to Teams or SfB edition
Description
The T55A Android-based phone features a 4.3-inch capacitive adjustable touch screen and the consistent Teams-tailored experience. This easy-to-use and reliable option is ideal for office workers, front desks and common areas. The T55A facilitates high-quality collaboration with flexibility thanks to its support for Yealink Optima HD voice and Yealink Noise Proof Technology, and its USB port for USB headsets and Bluetooth dongle.
Specifications
| Features |
|---|
| Dual-Tone Multi-Frequency (DTMF) modes |
In-band, Out-of band, SIP info |
| Integrated voicemail |
Yes |
| Handset type |
Wired handset |
| Firmware upgradeable |
Yes |
| Ethernet cable |
Yes |
| Device lock |
Yes |
| Product colour |
Grey |
| Hearing aid compatibility |
Yes |
| Security |
|---|
| Security algorithms |
HTTPS, MD5, SIPS, SRTP |
| Design |
|---|
| Product type |
IP Phone |
| Handset type |
Wired handset |
| Device lock |
Yes |
| Product colour |
Grey |
| Performance |
|---|
| Dual-Tone Multi-Frequency (DTMF) modes |
In-band, Out-of band, SIP info |
| Hearing aid compatibility |
Yes |
| Phone features |
|---|
| Message-waiting indicator (MWI) |
Yes |
| Intercom |
Yes |
| Full duplex |
Yes |
| Do not disturb function |
Yes |
| Conference call |
Yes |
| Caller ID |
Yes |
| Call waiting |
Yes |
| Call transfer |
Yes |
| Call pick up |
Yes |
| Call park |
Yes |
| Call hold |
Yes |
| Call forwarding |
Yes |
| Call history |
Yes |
| Management features |
|---|
| Integrated voicemail |
Yes |
| Firmware upgradeable |
Yes |
| Display |
|---|
| Touchscreen |
Yes |
| Touchscreen type |
Capacitive |
| Display resolution |
480 x 272 pixels |
| Display diagonal |
10.9 cm (4.3") |
| Camera |
|---|
| Front camera |
No |
| Audio |
|---|
| Voice codecs |
G.711a, G.722, G.723.1, G.726, G.729A, G.729B, iLBC |
| Voice activity detection |
Yes |
| Speakerphone |
Yes |
| Noise reduction |
Yes |
| Microphone mute |
Yes |
| Comfort noise generation (CNG) |
Yes |
| Automatic gain control |
Yes |
| Adaptive jitter buffers |
Yes |
| Packet loss concealment (PLC) |
Yes |
| Network |
|---|
| Ethernet LAN interface type |
Gigabit Ethernet |
| Bluetooth |
No |
| Wi-Fi |
No |
| Supported network protocols |
IPv4/IPv6 |
| Security algorithms |
HTTPS, MD5, SIPS, SRTP |
| Quality of Service (QoS) support |
Yes |
| Networking standards |
IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x |
| Ethernet LAN |
Yes |
| Technical details |
|---|
| Harmonized System (HS) code |
85171800 |
| Ports & interfaces |
|---|
| USB 2.0 ports quantity |
1 |
| RJ-9 ports quantity |
2 |
| Ethernet LAN (RJ-45) ports |
2 |
| DC-in jack |
Yes |
| Power |
|---|
| Power over Ethernet (PoE) |
Yes |
| Power consumption (typical) |
2.6 W |
| AC adapter output voltage |
5 V |
| AC adapter output current |
1.2 A |
| AC adapter input voltage |
100 - 240 V |
| Operational conditions |
|---|
| Operating temperature (T-T) |
0 - 40 °C |
| Operating relative humidity (H-H) |
10 - 95% |
| Weight & dimensions |
|---|
| Width |
223 mm |
| Depth |
206 mm |
| Height |
127 mm |
| Package width |
249 mm |
| Package depth |
179 mm |
| Package height |
103 mm |
| Package weight |
4.98 kg |
| Packaging content |
|---|
| Cables included |
LAN (RJ-45) |
| Number of handles included |
1 pc(s) |
| Manual |
Yes |
| Ethernet cable |
Yes |
| Logistics data |
|---|
| Harmonized System (HS) code |
85171800 |
