The Poly Edge E450 is a business IP desk phone ideal for busy professionals who manage multiple lines, contacts, or call-handling features. It includes built-in WiFi, Poly HD audio, and expanded line key access across two display screens.Â
Poly Edge E450 key featuresÂ
The Poly Edge E450 provides distraction-free communications with industry-leading Acoustic Fence Technology, an 8.9 cm (3.5") colour display screen, HD Voice, and expanded line key access for busy professionals.Â
Colour display
The 8.9 cm (3.5") colour display screen provides a clear interface for viewing call information, menus, contacts, and phone settings.
Secondary display
The second 6.1 cm (2.4") display provides additional quick-access options for configured line keys, contacts, favourites, or supported phone features.
14 line keys
14 line keys provide quick access to multiple lines, contacts, and features, improving call-handling efficiency.
Poly NoiseBlockAI and Poly Acoustic FenceÂ
HD audio quality helps deliver clear sound and reduce background noise for effective, professional communication.
Built-in WiFi
Built-in WiFi allows the desk phone to connect wirelessly when WiFi setup is supported by the organization.
Integrated Bluetooth® 5.0 for mobile phone or headset pairing
Bluetooth 5.0 supports connections to Bluetooth-enabled devices, such as headsets, speakers, and mobile phones.
1 USB-C port
The USB-C port supports compatible accessories, media, storage applications, and headset connectivity.Â
Notes and requirements
- Available features may depend on your phone configuration, assigned user settings, and organization setup.
- Line keys, favourites, shared lines, and feature keys may need to be configured by an Admin.
- WiFi, Bluetooth, headset, and accessory support may depend on your organization’s setup and supported device policy.
- For advanced hardware specifications or manufacturer-level configuration details, refer to Poly documentation or contact net2phone Canada Support.
Poly Edge E450 button guide
Designed for busy professionals, the Poly Edge E450 desk phone provides a familiar interface with quick access to common call-handling features.

| Item | Button or area | Description |
|---|---|---|
| 1 | Display screen | View call information and access menus and features like your call log, directory, contacts, and system settings. |
| 2 | Line key indicators | View configured line, contact, or feature information displayed beside the line keys. |
| 3 | Line keys | Select a phone line, view active calls on different lines, and quickly call a favourite contact. |
| 4 | Soft keys | Choose context-specific options displayed on the screen above these keys. |
| 5 | Home key | Return to the home screen or the home icon view. |
| 6 | Voicemail key | Access your voicemail messages. Note that if voicemail-to-email, also known as unified messaging, is enabled, messages will not be saved on your device. |
| 7 | Headset key | Switch to a connected headset instead of the handset. |
| 8 | Speaker key | Toggle the speakerphone on or off. |
| 9 | Mute key | Mute or unmute your microphone. |
| 10 | Dial keys | Use the standard 12-key dial pad to make calls and enter numbers or characters, as indicated by the letters on the keys. |
| 11 | Volume control keys | Adjust the volume for the ringer, handset, headset, or speaker. |
| 12 | Navigation pad & selection key | Scroll through screens and make selections. |
| 13 | Hold key | Put a call on hold and retrieve it using this key. |
| 14 | Transfer key | Use this key for an attended, or warm, call transfer while on a call. |