Yealink Prime Business Phone SIP-T53W Manual

The Yealink SIP-T53W is a premium business IP phone designed for modern workplaces, featuring a 4.3-inch color LCD, 5-way navigation, 12 programmable line keys, dual Gigabit Ethernet ports, built-in Wi-Fi and Bluetooth, HD voice, wideband audio, support for up to 16 SIP accounts, and advanced features like call recording, call waiting, call transfer, conferencing, and integration with popular UC platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 4.3-inch color LCD display, Handset, Base unit, Power adapter, Ethernet cable, Quick start guide, 12 programmable line keys, 5-way navigation key.

Installation

Unpack and inspect contents. Place on stable surface.

1. Connect to network: Use Ethernet cable to connect LAN/PoE port to switch/router.
2. Connect PC: Use second Ethernet port to connect to computer if needed.
3. Power the phone: Use PoE from switch or connect external power adapter.
4. Connect handset: Plug coiled handset cord into handset port.
5. Optional headset: Connect to 3.5mm headset jack.

WARNING! Use only Yealink-approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts.

1. Network configuration: Phone will attempt DHCP. For static IP, configure via web interface.
2. SIP account setup: Enter SIP server, username, password provided by your service provider.
3. Language selection: Press Menu > Settings > Basic > Language (default ENGLISH).
4. Date and time: Set manually or configure NTP server for automatic synchronization.
5. Test call: Make a test call to verify audio quality and connectivity.

CAUTION! Keep phone away from direct sunlight and heat sources.

Specifications

• Display: 4.3-inch color LCD, 480 x 272 pixels.
• Network: Dual 10/100/1000 Mbps Ethernet, Wi-Fi 802.11a/b/g/n/ac, Bluetooth 4.2.
• Protocols: SIP RFC3261, TCP/IP, UDP, RTP, RTCP, HTTP, HTTPS, DNS, DHCP, NTP.
• Audio Codecs: G.711, G.722, G.726, G.729, Opus, iLBC.
• Power: PoE (802.3af Class 2) or 12V DC power adapter.
• Operating Temp: 0°C to 40°C (32°F to 104°F).
• Dimensions: 220mm x 200mm x 70mm (W x D x H).
• Weight: 1.2 kg (2.65 lbs) with handset.
• Certifications: FCC, CE, RCM, RoHS, REACH.

Controls and Settings

Access menu via physical buttons or web interface. Front Panel: 5-way navigation key, Hold, Mute, Headset, Speaker, Volume keys, 12 programmable line keys.

Web Interface: Access via phone IP address for advanced configuration (default admin/admin).

Basic Settings: Language, time zone, ringtone, screen saver. Network: Wired/Wi-Fi, VLAN, QoS. Account: SIP registration, caller ID, call forwarding. Features: Call waiting, call transfer, DND, call recording. Security: Password, encryption, access control.

Connecting Devices

Network: Ethernet to switch/router. PC: Second Ethernet port for daisy-chaining. Headset: 3.5mm jack. Optional: Bluetooth headset pairing.

1. Turn off phone before connecting cables.
2. For Wi-Fi: Press Menu > Settings > Network > Wi-Fi to scan and connect.
3. For Bluetooth: Press Menu > Settings > Bluetooth to pair device.
4. Select audio path: Handset, headset, or speakerphone during calls.

Tip: Use Cat5e or better Ethernet cables for optimal performance.

Advanced Call Features

Supports enterprise calling features.

1. Make call: Lift handset or press Speaker, dial number.
2. Answer call: Lift handset or press Speaker/Line key.
3. Hold: Press Hold button during active call.
4. Transfer: Press Transfer, dial target number, press Transfer again.
5. Conference: During call, press Conference, dial second party, press Conference again.
6. Call recording: Press Record during call (if enabled by administrator).
7. Call forwarding: Configure via web interface or phone menu.
8. Speed dial: Assign numbers to programmable line keys.

WARNING! Do not expose phone to liquids. Use only dry cloth for cleaning.

Accessibility Features

Visual alerts: LED indicators for missed calls/messages. Audio adjustments: Separate volume controls for handset, speaker, ringer. High-contrast display: Adjustable screen settings. Hearing aid compatible: Handset meets HAC standards.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth for exterior; dry immediately. Do not use abrasive cleaners or solvents.

CAUTION! Never spray liquids directly on phone. Keep vents clear of obstructions.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Yealink Inc. All rights reserved. For support, visit www.yealink.com or contact your authorized reseller. This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's license-exempt RSS(s).

Troubleshooting

Reset: Press and hold OK key during boot for factory reset (erases all settings).

Service: Contact Yealink support or your service provider for technical assistance.