Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
Availability: In Stock
| Delivery Option | |
| Anywhere | |
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Express Delivery in USA Get within 1 to 3 days |
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Free Ground in USA 2 to 6 days (Varies by location) |
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International Delivery Must have a UPS FedEx or DHL account to ship on or a USA based Freight Forwarder to Ship To. |
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| Visa, Mastercard, AMEX,PayPal,Wire are accepted | |
| PO accepted from Qualified Institutions | |
| Only Wire Transfer accepted For International Customers |
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| Return & Warranty | |
| 90 days return | |
| Warranty vary by product Please see our policies page. |
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Overview of Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
The 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.
Key Features of Yealink T55A Microsoft Teams IP Phone
• 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 of Yealink T55A Microsoft Teams IP Phone
Specifications for Yealink T55A Microsoft Teams IP Phone (SIP-T55A) | Like New
| 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 |




