Poly Phone Manual E350

The Poly Phone E350 is a professional-grade IP desk phone designed for business environments, featuring a high-resolution color display, HD voice quality, multiple line support, Power over Ethernet (PoE), USB connectivity, and integration with major VoIP platforms. 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. Making and Receiving Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color display, Handset with HD voice, Keypad, Ethernet ports, USB port, Headset jack.

FeatureDescription
Color DisplayHigh-resolution screen for call information and menus
HD Voice HandsetWideband audio for crystal-clear conversations
Multiple Line KeysSupport for up to 12 lines with programmable keys
Power over Ethernet (PoE)Receives power and data through Ethernet cable
Dual Ethernet PortsLAN and PC connections with integrated switch
USB PortFor accessories like wireless headsets
Headset Jack3.5mm connector for wired headset
Volume ControlsDedicated buttons for handset, speaker, and ringer
MUTEMutes microphone during calls
POWERPower on/off button (when not using PoE)

Installation

Unpack and inspect contents. Place on stable desk surface.

  1. Connect to network: Plug Ethernet cable from switch/router into LAN port.
  2. Connect PC (optional): Use second Ethernet port to connect computer.
  3. Connect handset: Attach coiled cord to handset and phone base.
  4. Power the phone: Use PoE or connect included power adapter to DC port.

WARNING! Use only approved power adapter. Ensure cables are not pinched or damaged.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network configuration: Phone may obtain IP automatically via DHCP.
  2. Provisioning: Enter server address if required by your VoIP system.
  3. Set language: In SETTINGS menu, select preferred language.
  4. Configure lines: Assign extension numbers to line keys as needed.
  5. Adjust audio: Set ringer volume, handset volume, and speaker volume.

CAUTION! Do not expose to liquids. Keep in well-ventilated area.

Specifications

Controls and Settings

Access menu via NAVIGATION button. Front Panel: Line keys, NAVIGATION, HOME, VOLUME UP/DOWN, MUTE, HEADSET, SPEAKERPHONE.

Display Soft Keys: Context-sensitive functions appear on screen.

Settings: Network (IP configuration), Audio (volume profiles), Display (contrast, backlight), Time/Date, Language. Features: Call Forward, Do Not Disturb, Speed Dials, Directory, Call History. Admin: Password protection, firmware upgrade, factory reset.

Connecting Devices

Network: LAN port to switch. PC: Second Ethernet port to computer. Headset: 3.5mm jack or USB wireless adapter.

  1. Turn off phone before connecting accessories.
  2. Match cables to correct ports.
  3. For USB headset, insert adapter before powering on.

Tip: Use quality Ethernet cables for reliable connectivity.

Making and Receiving Calls

Basic call functions and advanced features.

  1. Make call: Lift handset or press SPEAKERPHONE, dial number, press DIAL.
  2. Answer call: Press flashing line key, or press SPEAKERPHONE/HEADSET.
  3. End call: Press END CALL or hang up handset.
  4. Hold: Press HOLD during call.
  5. Transfer: Press TRANSFER, dial target, complete transfer.
  6. Conference: Create multi-party calls via CONFERENCE button.
  7. Call History: Redial or view missed/received/dialed calls.
  8. Directory: Store and access contacts.

WARNING! Do not use in wet environments. Keep cords away from walkways.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio: Adjustable ringer tones and volumes. Display: Adjustable contrast and font size. TTY Compatibility: When connected to compatible systems.

Care & Cleaning

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

CAUTION! Never spray liquids directly on phone. Avoid extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. CE marked. RoHS compliant. Copyright © Poly. For support, visit www.poly.com/support or contact 1-800-POLYCOM.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPoE/Power adapterCheck Ethernet cable for PoE; ensure power adapter is connected properly.
No network connectionCable/DHCPVerify Ethernet cable; check DHCP server; restart phone.
No dial toneProvisioning/LineCheck SIP account configuration; verify line is registered.
Poor audio qualityNetwork/CodecCheck network bandwidth; verify codec settings match provider.
Display blankPower/BacklightCheck power; adjust display backlight settings in menu.

Reset: Settings > System > Factory Reset (use caution).

Service: 1-800-POLYCOM; www.poly.com/support

Poly Phone Manual E350 © - All Rights Reserved 2025