Yealink Phone Manual MP52E2

The Yealink MP52E2 is a modern IP desk phone designed for business communications, featuring a high-resolution color display, support for multiple SIP accounts, HD voice quality, integrated Gigabit Ethernet, PoE support, Bluetooth connectivity, and a range of productivity features. Below are key sections for 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Color LCD display, Handset, Keypad, Ethernet ports, Headset jack, Bluetooth antenna.

FeatureDescription
DisplayHigh-resolution color LCD with adjustable backlight
Network PortsDual Gigabit Ethernet (LAN/PoE & PC)
BluetoothFor wireless headset connectivity
Headset Jack3.5mm port for wired headset
HD VoiceWideband audio support for crystal-clear calls
Power OptionsPoE (802.3af) or AC adapter
ConferenceBuilt-in 3-way conference capability
Programmable KeysMultiple keys for speed dial, BLF, and functions
Volume ControlsDedicated buttons for handset, speaker, and ringer
MUTEMutes microphone during calls

Installation

Unpack and inspect contents. Place on stable desk surface.

  1. Connect to Network: Plug Ethernet cable from router/switch into LAN/PoE port.
  2. Connect PC (optional): Use second Ethernet port to daisy-chain a computer.
  3. Connect Handset: Plug coiled handset cord into dedicated jack.
  4. Power the Phone: Use PoE from switch or connect the included AC power adapter.

WARNING! Use only Yealink-approved power adapter. Ensure cables are securely connected.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network Boot: Phone will attempt to obtain IP address via DHCP.
  2. Configure SIP Account: Enter server address, username, and password provided by your service provider via the web interface or phone menu.
  3. Set Language & Time: In SETTINGS menu, select preferred language and configure time/date.
  4. Test Call: Make a test call to verify audio and registration.

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

Specifications

Controls and Settings

Access menu via dedicated MENU button or touch screen. Front Panel: MUTE, Volume Up/Down, Navigation keys, SPEAKERPHONE, HEADSET.

On-Screen: Status icons for network, Bluetooth, mute, and account registration.

Basic Settings: Language, Time/Date, Ring Tones, Display Brightness. Network: Static/DHCP, VLAN, QoS. Audio: Handset volume, speaker volume, ringer volume, codec priority. Account: SIP server, username, password, display name. Features: Call Forward, DND, Call Waiting, 3-Way Conference.

Connecting Devices

Handset: Standard RJ9 connector. Headset: 3.5mm jack or Bluetooth. Network: Ethernet cable to LAN port. PC: Second Ethernet port for pass-through.

  1. Turn off phone before connecting wired headset.
  2. Pair Bluetooth headset via MENU > Bluetooth > Discover.
  3. For PC connection, use straight-through Ethernet cable.

Tip: Use quality Cat5e or higher cables for Gigabit network performance.

Advanced Features

Supports advanced business telephony features.

  1. Call Hold/Transfer: Press HOLD during call; use TRANSFER button.
  2. Conference: During a call, press CONFERENCE, dial second party, press CONFERENCE again to merge.
  3. Speed Dial: Assign numbers to programmable keys via web interface.
  4. BLF (Busy Lamp Field): Monitor extension status on programmable keys.
  5. Call History: Access via HISTORY button for missed, received, and placed calls.
  6. Directory: Store up to 500 contacts locally; supports LDAP synchronization.
  7. DND (Do Not Disturb): Activate via dedicated button or menu.
  8. Phone Lock: Set PIN to prevent unauthorized use.

WARNING! Do not use unauthorized firmware. Update only from Yealink official website.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio: Adjustable ringer volume and tone. TTY Support: Configurable via web interface for compatibility with teletype devices.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth for display and housing. Do not use abrasive cleaners or solvents.

CAUTION! Never spray liquids directly on phone. Keep handset cord away from sharp edges.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installation. CE, RCM, UKCA marked. Contains FCC ID: 2AKJZ-MP52E2. For support, visit www.yealink.com or contact your authorized Yealink distributor.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower source/cableCheck PoE switch or AC adapter; ensure cable is securely connected.
No dial toneNetwork/SIP accountVerify Ethernet link; check SIP account registration status.
Poor audio qualityNetwork/CodecCheck network for packet loss; adjust QoS settings; select different codec.
Bluetooth not pairingDistance/InterferenceEnsure headset is in pairing mode; move closer to phone; reduce interference.
Display is blankPower/BrightnessCheck power; adjust display brightness in settings menu.

Reset: Press and hold OK key during boot for factory reset (use with caution).

Service: Contact Yealink support or your service provider. Web: www.yealink.com

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