Yealink SIP-T53 Prime Business Phone

The Yealink SIP-T53 is a powerful and flexible IP phone built for busy professionals and small to mid-sized businesses. Designed with a focus on ease of use, audio clarity, and future-ready connectivity, this phone features an adjustable 3.7-inch LCD screen, HD voice technology, and broad compatibility with wired, wireless, and expansion accessories. The SIP-T53 enhances business communication with its advanced features and scalable design, making it ideal for modern office environments that demand performance, mobility, and reliability.

Product Features

Adjustable 3.7-Inch Display

The phone includes a 3.7-inch 360 x 160-pixel graphical display that can be tilted for better viewing angles. This enhances visibility in various lighting environments and improves overall usability for everyday tasks.

HD Audio with Yealink Acoustic Shield

Yealink’s Acoustic Shield technology ensures professional-grade audio by using multiple microphones to block background noise. The full-duplex speakerphone and HD handset provide clear and natural voice communications for both local and remote users.

Dual Gigabit Ethernet with PoE

The SIP-T53 includes two Gigabit Ethernet ports with integrated Power over Ethernet (PoE) support. This ensures fast data transmission and simplified cable management, making the phone suitable for high-speed, modern networks.

USB Port for Enhanced Connectivity

A built-in USB 2.0 port allows connection to USB headsets, flash drives for call recording, Bluetooth adapters, Wi-Fi dongles, or up to three EXP50 expansion modules for increased line and feature access.

Wireless Expansion Options

With optional USB dongles, the phone supports Bluetooth 4.2 and dual-band Wi-Fi (2.4GHz/5GHz). This enables the use of wireless headsets, remote network access, and connection flexibility across office environments.

Multiple SIP Account Support

The SIP-T53 supports up to 12 SIP accounts simultaneously, providing flexibility for users managing multiple lines, departments, or communication platforms. This feature is ideal for growing teams and enterprise use.

Expandability with EXP50 Modules

Compatible with up to three EXP50 expansion modules, the SIP-T53 can offer up to 180 additional programmable keys. This makes it an excellent choice for receptionists, call center agents, or power users.

Easy Deployment and Centralized Management

The device supports auto-provisioning via Yealink’s Redirection and Provisioning Service (RPS), PnP, TR-069, and Zero Touch Provisioning. These features streamline large-scale deployments and reduce IT workload.

Secure and Encrypted Communication

Built with enterprise security in mind, the phone supports TLS 1.2/1.3, SRTP, HTTPS, AES-256 configuration encryption, OpenVPN, and 802.1x authentication protocols, ensuring data and voice security.

Product Specifications

• Display: 3.7-inch 360 x 160 adjustable graphical LCD with backlight

• SIP accounts: Supports up to 12 SIP accounts

• Audio codecs: Opus, G.722, G.711 (A/u), G.726, G.729, G.723.1, iLBC

• Audio features: HD Voice, Acoustic Shield, full-duplex speakerphone, AEC, VAD, CNG, PLC, AGC

• USB: 1 x USB 2.0 port (for headsets, storage, Bluetooth, Wi-Fi, expansion modules)

• Headset support: RJ9 and USB wired/wireless headset compatible

• Connectivity: Dual-port Gigabit Ethernet with PoE

• Wireless support: Bluetooth 4.2 and Wi-Fi via optional dongles (BT40, WF40/WF50)

• Expansion modules: Compatible with up to 3 EXP50 expansion modules

• DECT support: Compatible with DD10K DECT dongle for up to 4 cordless handsets

• Security: TLS 1.2/1.3, SRTP, HTTPS, AES-256 encryption, OpenVPN, 802.1x

• Provisioning: FTP/TFTP/HTTP/HTTPS, PnP, TR-069, Zero Touch Provisioning

• Installation: Desktop or wall-mountable

• Operating temperature: 0°C to 40°C

• Humidity: 10% to 95%

• Power: Supports PoE; optional external power adapter

• Dimensions: Approximately 212 mm x 210 mm x 175 mm

• In the box: Phone base, handset, handset cord, stand, Ethernet cable, quick start guide (power adapter sold separately)