The Poly Edge E450 IP phone supports 8 lines and features a 3.5-inch color IPS display with a resolution of 320 x 240 px. It connects via Gigabit Ethernet or Wi-Fi 802.11a/b/g/n and supports Bluetooth 5.0 and PoE. It includes a speakerphone and caller ID.

• Type: Corded IP phone
• Color: Black
• Lines: 8
• Display: 3.5-inch color IPS, 320 x 240 px
• Connectivity: Wi-Fi 802.11a/b/g/n, Bluetooth 5.0, Gigabit Ethernet
• Ethernet speed: 10/100/1000 Mbit/s
• Voice codecs: G.711alaw, G.711ulaw, G.722, G.722.1, G.729ab, OPUS, iLBC
• Power supply: PoE
• Security: 256-bit AES, WPA, WPA2, WPA2-Enterprise, MSCHAPv2, PEAP, WEP, EAP-TLS, SRTP
• Speakerphone: Built-in
• Caller ID: Yes
• Ethernet LAN ports: 2 RJ-45
• USB ports: 1 USB-C
• RJ-9 ports: 1
• Operating temperature: 0–40 °C
• Storage temperature: -40–70 °C
• Relative humidity: 5–95%
• Weight: 1.11 kg
• Dimensions: 111 mm wide, 370 mm long, 194 mm high