Yealink Phone MP56 Manual

The Yealink MP56 is a modern IP conference phone designed for medium to large meeting rooms, offering high-definition audio quality, flexible connectivity options, and intuitive controls. It features a full-duplex speakerphone, multiple microphone inputs, support for various VoIP platforms, a color LCD display, and Ethernet/PoE connectivity. Below are key sections covering safety, features, installation, configuration, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Making and Managing Calls 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color LCD display, HD speaker, Microphone array, Navigation keys, Ethernet ports, Headset jack, USB port.

Feature	Description
HD Voice	Full-duplex speakerphone with acoustic echo cancellation
Microphone Array	Omnidirectional pickup for 360° coverage
Color LCD	Graphical interface for easy navigation
Dual Ethernet Ports	LAN and PC pass-through with PoE support
USB Port	For future expansions or Bluetooth dongle
Headset Jack	3.5mm connector for private listening
Navigation Keys	For menu navigation and call control
Volume Controls	Separate controls for speaker, microphone, and ringer
MUTE	LED indicator for microphone mute status
POWER	Power switch and status LED

Installation

Unpack and inspect contents. Place on stable conference table.

Connect to network: Use Ethernet cable to connect LAN port to switch/router. Use PoE or included power adapter.
Connect PC (optional): Use second Ethernet port for PC pass-through.
Connect headset: Plug into 3.5mm headset jack if needed.
Power on: Connect to PoE switch or plug in power adapter.

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

First-Time Setup

Power on phone; follow on-screen initialization.

Network configuration: Obtain IP automatically via DHCP or configure manually through web interface.
Server configuration: Enter SIP server details provided by your service provider.
Account registration: Configure SIP account credentials (username, password, server).
Audio settings: Test and adjust speaker/microphone volume via settings menu.

CAUTION! Keep device away from liquids and extreme temperatures during setup.

Specifications

Display: 4.3-inch color LCD with touch support.
Audio Codecs: G.711, G.722, G.729, Opus.
Network: Dual 10/100/1000 Mbps Ethernet ports, IEEE 802.3af PoE.
Connectivity: USB 2.0, 3.5mm headset jack.
Microphone: Built-in array with pickup range up to 5 meters.
Speaker: Full-range with HD audio.
Power Supply: 48V DC via PoE or 12V DC adapter.
Operating Environment: 0°C to 40°C, 20% to 80% humidity.

Controls and Settings

Access menu via LCD touch screen or navigation keys. Front Panel: MUTE, Volume up/down, Navigation keys, Home button.

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

Basic Settings: Network, SIP account, Audio (volume, echo cancellation), Display (brightness, timeout). Advanced: Call features (hold, transfer, conference), Security, Firmware upgrade. Audio Profiles: Meeting, Office, Outdoor modes for optimized sound.

Connecting Devices

Network: Ethernet cable to LAN port. PC: Second Ethernet port for pass-through. Headset: 3.5mm jack.

Turn off phone before connecting additional devices.
Use certified cables for Ethernet connections.
For headset, plug in before powering on for auto-detection.

Tip: Use shielded cables in environments with high electromagnetic interference.

Making and Managing Calls

Supports standard SIP call functions.

Make call: Dial number using on-screen keypad or directory, press Call button.
Answer call: Press Answer button or tap incoming call notification.
End call: Press End button or tap End on screen.
Hold/Resume: Press Hold button during active call.
Transfer: Press Transfer, dial target number, complete transfer.
Conference: Establish first call, press Conference, dial second party, merge calls.
Mute: Press MUTE button to toggle microphone on/off (LED indicates status).
Volume adjustment: Use volume keys during call for speaker/microphone.

WARNING! Do not expose microphone to extreme sound pressure to avoid damage.

Advanced Features

Call Recording: Configure via web interface (local or network storage). Directory: Store up to 500 contacts locally. Speed Dial: Assign numbers to quick-dial keys. Firmware Upgrade: Via web interface or TFTP server. Security: TLS/SRTP encryption support.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for display and body. For stubborn stains, dampen cloth with water only.

CAUTION! Do not use abrasive cleaners, solvents, or spray directly on device.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installation. CE, RCM, UKCA marked. Contains FCC ID: 2ABAP-MP56. For full compliance information, visit Yealink website. Copyright © 2023 Yealink Inc. All rights reserved. For support, visit support.yealink.com or contact your local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter connection; try different cable.
No network	Ethernet/DHCP	Verify cable; check LAN port LED; confirm DHCP is enabled on network.
Registration failed	Account settings	Verify SIP server address, username, password; check network firewall.
No audio	Volume/mute	Check volume settings; ensure mute is off; verify audio codec compatibility.
Echo during calls	Acoustic environment	Enable acoustic echo cancellation in settings; reposition phone away from speakers.
Display issues	Brightness/settings	Adjust display timeout and brightness; restart device.

Reset: Press and hold MUTE and Volume Down for 10 seconds to factory reset.

Service: support.yealink.com; contact local distributor for hardware issues.