Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
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1 Year WarrantyIncludedThe Yealink T55A Microsoft Teams IP Phone (SIP-T55A) is a smart desk phone running Android that was designed to deliver the native Teams experience straight to the desktop. Using well-known Microsoft controls, users can attend meetings, manage calls and check presence all from the device thanks to its 4.3-inch capacitive touchscreen and Teams-tailored interface. Yealink Noise Proof technology, dual-port Gigabit Ethernet with PoE and integrated Optima HD Voice provide crisp, business-like audio in both open workspaces and quiet offices. The T55A is perfect for Teams-focused enterprises that want to standardize on certified IP phones at the desk, reception or common areas. It has a built-in USB 2.0 connector for Wi-Fi, Bluetooth or USB headsets, as well as compatibility for Office 365, Exchange calendar integration and centralized device management platforms.
Quick specs
- Product type
- IP Phone
- Operating System
- Android-based OS
- Display Type
- Color capacitive touchscreen
- Display Size
- 4.3 in (approx. 4.3")
- Display Resolution
- 480 × 272 pixels
- Audio Technology
- Yealink Optima HD Voice; Yealink Noise Proof Technology
Key Features
Native Microsoft Teams interface with Teams-tailored UI, presence, contacts, Exchange calendar integration and one-touch meeting join.
4.3-inch color capacitive touchscreen (480 x 272) with adjustable angle for intuitive navigation and clear call and meeting controls.
Android-based OS delivering a modern, app-driven experience with support for Office 365 and upgradability between Teams and Skype for Business editions.
Yealink Optima HD Voice and Noise Proof technology for wideband audio, reduced background noise and full-duplex speakerphone with echo cancellation.
Dual Gigabit Ethernet ports with PoE (802.3af Class 3) for high-speed connectivity and simplified single-cable deployment at the desktop.
USB 2.0 port supporting USB headsets, Wi‑Fi via WF50/WF40 and Bluetooth via BT40/BT41 for flexible device and wireless connectivity.
RJ9 handset and headset ports for traditional wired headset support alongside USB headset options.
Enterprise UC features including cloud PSTN calling, call hold/transfer/forward, group SimRing, response groups, visual voicemail and hot desking.
Centralized device management via Microsoft, Yealink and Unify Square/U2 management platforms for provisioning, monitoring and firmware updates.
Benefits
- Streamline Teams adoption at the desk by giving users a dedicated Microsoft Teams IP phone with a familiar UI, presence visibility and one-touch meeting access.
- Improve call clarity and professionalism using Optima HD Voice and Noise Proof technology so customers and colleagues hear you clearly even in noisy open offices.
- Simplify deployment and cabling with dual-port Gigabit Ethernet and PoE, allowing daisy-chained PC connectivity and power over a single network drop.
- Increase flexibility for hybrid and shared spaces through USB-based Wi‑Fi and Bluetooth, hot desking and support for both USB and RJ9 headsets.
- Reduce IT overhead with centralized provisioning, firmware upgrades and monitoring across fleets of Yealink T55A Teams phones in branch offices and headquarters.
- Protect your UC investment with a Teams-certified desk phone that also supports Office 365 and can be upgraded between Teams and Skype for Business firmware as strategies evolve.
| Manufacturer | Yealink |
|---|---|
| Manufacturer Part Number | SIP-T55A |
| Product Name | Yealink T55A Microsoft Teams IP Phone |
| Product type | IP Phone |
| Operating System | Android-based OS |
| Native Platform | Microsoft Teams–tailored interface; supports Office 365; firmware upgradable between Teams and Skype for Business editions |
| Display Type | Color capacitive touchscreen |
| Display Size | 4.3 in (approx. 4.3") |
| Display Resolution | 480 × 272 pixels |
| Touch Support | Multi‑point capacitive touch, adjustable screen angle (Teams/SfB datasheet) |
| User Interface | Modern Teams UI / Skype‑tailored UI; presence, contacts, visual voicemail, calendar integration |
| Audio Technology | Yealink Optima HD Voice; Yealink Noise Proof Technology |
| Audio Codecs | G.722, G.711 A/μ, G.729A/B, G.726, G.723.1, iLBC, SILK wideband codec |
| Speakerphone | Full‑duplex HD speakerphone with echo cancellation |
| Handset | Hearing aid compatible (HAC) HD handset |
| Headset Support (Ports) | 1 × RJ9 headset port; 1 × USB Type‑A port for USB headsets |
| USB Port | 1 × USB 2.0 Type‑A; supports USB headset, call recording to USB flash drive, Bluetooth via BT40/BT41, Wi‑Fi via WF40/WF50 |
| Ethernet Ports | 2 × Gigabit Ethernet (10/100/1000 Mbps), dual‑port for PC pass‑through |
| Power over Ethernet | IEEE 802.3af PoE, Class 3 |
| Optional Power Adapter | External Yealink AC adapter: AC 100–240 V input, DC 5 V / 1.2 A output (optional) |
| USB Power Output | 5 V, up to 500 mA |
| Network Features | IPv4/IPv6, DHCP/static/PPPoE, 802.1p/Q VLAN tagging, DSCP, DNS‑SRV, SNTP |
| Security Features | SRTP for voice, TLS, HTTPS, 802.1X, EWS authentication, certificate management, MD5/MD5‑sess digest authentication |
| SIP Support | SIP v1 (RFC2543), v2 (RFC3261) in generic SIP/Skype firmware; Teams firmware uses Microsoft signalling stack |
| Teams / SfB Features | Modern Teams UI, click‑to‑call/answer (BToE), boss/admin, common area phone, hot desking, response groups, group call pickup, visual voicemail, music on hold |
| Bluetooth Support | Via optional BT40/BT41 USB dongle (for Bluetooth headsets) |
| Wi‑Fi Support | Via optional WF40/WF50 USB Wi‑Fi dongle |
| Call Handling Features | Call hold, transfer, forward, call waiting, intercom, paging, redial, DND, dial plan, response group, phone lock, message waiting indicator (MWI) |
| BToE (Better Together over Ethernet) | Click to call/answer, device pairing with PC client, audio device switch between phone and PC, phone lock with PC |
| Provisioning & Management | Web interface, phone UI, auto‑provisioning (RPS, activation code, in‑band), configuration management, QoE monitoring, logging, remote screenshot |
| Device Management Platforms | Supports Microsoft, Yealink, and third‑party device management platforms (e.g., U2) for Teams phones |
| Status Indicators | LED indicators for call and message waiting |
| Fixed Feature Keys | Messages, headset, mute, speakerphone, volume keys, navigation/home keys (Teams layout) |
| Security Lock | 1 × security lock (Kensington‑style) port |
| Color | Classic Grey |
| Wall Mount | Wall‑mountable; desk stand with 2 adjustable viewing angles |
| Dimensions (W × D × H × T) | 223 mm × 206 mm × 127 mm × 36 mm |
| Operating Temperature | 0 °C to 40 °C (32 °F to 104 °F) |
| Operating Humidity | 10% to 95% (non‑condensing) |
| Typical Power Consumption (PSU) | 1.4 W – 2.6 W |
| Typical Power Consumption (PoE) | 1.5 W – 2.9 W |
| Package Contents | Yealink SIP‑T55A IP phone (Teams), handset with cord, 2 m Ethernet cable (CAT5E FTP), stand, Quick Start Guide, optional power adapter |
| Microsoft Certification | Certified for Microsoft Teams; supports Office 365 telephony integration |
Frequently Asked Questions
Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
Is the Yealink T55A certified for Microsoft Teams?
Does it require a PC to function?
Does it support PoE?
Is the screen touch-enabled?
Does it include Bluetooth?
Can I connect a headset?
Is it compatible with SIP platforms?
Does it support HD voice?
Is it suitable for executives?
Does it support dual Ethernet ports?
Is it secure for enterprise use?
Does it support calendar integration?
Can it join meetings with one touch?
Is it good for hybrid workplaces?
Does it reduce background noise?
Is it easy to deploy?
Does it support firmware updates?
Is it wall-mountable?
Is it a replacement for traditional PBX phones?
Is it business-grade hardware?
Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
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