Yealink Smart Business Phone MP54 Manual

The Yealink Smart Business Phone MP54 is a versatile VoIP desk phone designed for modern business environments. It features a high-resolution color display, support for up to 16 SIP accounts, HD audio, Gigabit Ethernet, Bluetooth, Wi-Fi capability (optional), USB recording, and extensive call management features. Below are key sections covering safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: 4.3-inch color LCD, 16 programmable line keys, HD handset, Ethernet ports, headset jack, USB port, and optional Wi-Fi/Bluetooth modules.

Feature	Description
Display	4.3-inch TFT color LCD with 480x272 resolution
Line Keys	16 programmable keys with dual-color LEDs
Audio	HD handset and speakerphone with Opus codec support
Network	Dual Gigabit Ethernet ports (LAN/PoE)
Wireless	Optional Wi-Fi (802.11a/b/g/n/ac) and Bluetooth 4.2
USB Port	For USB recording, Bluetooth dongle, or Wi-Fi adapter
Headset Jack	3.5mm jack for wired headset connection
Power	802.3af PoE or 12V DC power adapter
Firmware	Upgradable via web interface or TFTP
Protocols	SIP, TLS, SRTP, IPv6

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect network: Use Ethernet cable to connect LAN port to router/switch. Use PoE or power adapter.
Connect handset: Plug coiled handset cord into phone's handset jack.
Optional headset: Plug wired headset into 3.5mm headset jack.
Optional USB devices: Insert Wi-Fi adapter or Bluetooth dongle into USB port.
Power on: Phone will boot and attempt to obtain IP address.

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

First-Time Setup

Power on phone; follow on-screen prompts or configure via web interface.

Network setup: Phone obtains IP via DHCP. Check IP address via Menu > Status.
SIP account configuration: Enter SIP server, username, password via web GUI (http://phone-ip) or phone menu.
Set language: In Settings > Basic > Preferences, select language (default English).
Set time/date: Configure NTP server or set manually.
Test call: Make internal or external test call to verify audio.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 4.3-inch TFT, 480x272 pixels, 262K colors.
Network: Dual 10/100/1000 Mbps Ethernet, 802.3af PoE.
Wireless: Optional 802.11a/b/g/n/ac Wi-Fi, Bluetooth 4.2.
Audio Codecs: G.711, G.722, G.729, Opus, iLBC, etc.
SIP Accounts: Up to 16 lines.
Call Features: Hold, transfer, conference, forward, DND, auto answer.
Power Supply: 802.3af PoE or 12V DC, 1.5A.
Operating Temp: 0°C to 40°C (32°F to 104°F).
Dimensions: 220mm x 210mm x 70mm (WxDxH).
Weight: Approx. 1.2 kg (2.65 lbs).

Controls and Settings

Access menu via physical buttons or touch screen. Front: LCD, line keys, navigation pad, volume keys, mute, headset, speakerphone.

Key Functions: Hold, Transfer, Conference, Forward, Directory, Messages, Settings.

Settings via Web GUI: Network, SIP accounts, Audio (handset/speaker volume, codec), Features (call forward, DND, auto answer), Time (NTP), Security (admin password, TLS). Phone Menu: Status (network, account), Call features, Directory, Messages, Settings (ringer tones, display contrast).

Connecting Devices

Network: LAN port to switch. PC: Use PC port for daisy-chaining. Headset: 3.5mm jack. USB: Wi-Fi/Bluetooth adapter.

Turn off phone before connecting wired headset or USB devices.
For PoE, ensure switch supports 802.3af.
For Wi-Fi, insert adapter and configure SSID/security via web GUI.

Tip: Use shielded Ethernet cables for best performance.

Advanced Call Features

Supports hold, transfer, conference, forward, DND, call waiting, auto answer.

Hold: Press Hold key during call.
Transfer: Press Transfer, enter target number, press Transfer again.
Conference: During call, press Conference, dial second party, press Conference again.
Forward: Configure via Features > Call Forward (always, busy, no answer).
DND: Press DND key or enable via menu.
Directory: Store up to 1000 contacts; access via Directory key.
Call History: View missed, received, placed calls.
Recording: Press Record during call (requires USB storage).

WARNING! Do not disconnect USB storage during recording.

Accessibility Features

High-contrast display mode: Enable in Settings > Display. Ringer volume/tones: Adjust per line. Headset mode: For hands-free operation. Visual alerts: LED indicators for missed calls.

Care & Cleaning

Unplug power before cleaning. Use dry, soft cloth; avoid liquids or abrasive cleaners.

CAUTION! Do not spray liquids directly on phone; keep away from heat sources.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for commercial use. CE, RCM, UKCA marked. Copyright © Yealink Inc. For support, visit www.yealink.com or contact your local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No dial tone	Network/Power	Check Ethernet/PoE connection; reboot phone; verify SIP account.
Poor audio quality	Network/Codec	Check network latency/jitter; adjust audio codec; ensure HD audio enabled.
Phone not booting	Power	Verify PoE switch or power adapter; try different cable.
Wi-Fi not connecting	Adapter/Configuration	Ensure Wi-Fi adapter inserted; check SSID/password; reboot.
Cannot access web GUI	IP/Network	Verify phone IP address; ensure PC is on same subnet.

Reset: Press and hold OK key for 10 seconds during boot for factory reset.

Service: www.yealink.com; contact authorized service center.