Choosing between the Poly Edge E220 and the Poly Edge E320? Here's how they differ on audio and price, and which one fits your room.

Short answer: pick the Edge E220 if you want the one that costs $59 less. Pick the Edge E320 if you want a 8-line SIP desk phone, 3.5-inch screen, Bluetooth.
Both are appliance desk phones; the difference is screen and price.
Side by side
| Edge E220 | Edge E320 | |
|---|---|---|
| Price | $161 | $220 |
| Display | 2.8" color IPS LCD, 320 x 240, RGB status lightbar | 3.5" color IPS LCD, 320 x 240, RGB status lightbar |
| Power | 13 W max; optional 5 V 3 A adapter sold separately | 13 W max; optional 5 V 3 A adapter sold separately |
| Warranty | 1 year limited | 1 year limited |
| Line keys | 4 line keys, up to 16 SIP lines | 8 line keys, up to 32 SIP lines |
| Headset ports | 1 RJ-9, 1 EHS port (optional APP-51 adapter) | 1 RJ-9, 1 EHS port (optional APP-51 adapter) |
| Audio | Poly HD Voice, NoiseBlockAI (speakerphone), Acoustic Fence (handset/headset) | Poly HD Voice, NoiseBlockAI (speakerphone), Acoustic Fence (handset/headset) |
| Microphone response | 150 Hz to 14 kHz | 150 Hz to 14 kHz |
| Codecs | G.711, G.722, G.722.1, G.729AB, iLBC, Opus | G.711, G.722, G.722.1, G.729AB, iLBC, Opus |
| Connections | Wireless: Bluetooth 5.0, NFC; Network: 2 x Gigabit Ethernet (RJ-45), PoE IEEE 802.3af Class 3; USB: 1 x USB-C 2.0 (media, storage) | Wireless: Bluetooth 5.0, NFC; Network: 2 x Gigabit Ethernet (RJ-45), PoE IEEE 802.3af Class 3; USB: 1 x USB-C 2.0 (media, storage) |
Specs are Poly's published figures. Prices can change.
The key differences
- Screen: Edge E220: 2.8" color IPS LCD, 320 x 240, RGB status lightbar. Edge E320: 3.5" color IPS LCD, 320 x 240, RGB status lightbar.
Which should you buy?
- Choose the Edge E220 if you want the one that costs $59 less. See the Edge E220
- Choose the Edge E320 if you want a 8-line SIP desk phone, 3.5-inch screen, Bluetooth. See the Edge E320
Also compared
- Poly Edge E220 vs Yealink MP52 E2
- Poly Edge E220 vs Yealink SIP-T54W
- Poly Edge E100 vs Poly Edge E220
- Poly Edge E320 vs Yealink MP54 E2
- Poly Edge E320 vs Yealink SIP-T54W
Still deciding? Read the Edge E220 guide and the Edge E320 guide, see Edge E220 alternatives and Edge E320 alternatives, compare them interactively, or send us your room details for a recommendation.
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