Choosing between the Yealink MP56 E2 and the Poly CCX 505? Here's how they differ on platforms, audio and price, and which one fits your room.

Short answer: pick the Yealink MP56 E2 if you want the one that costs $169 less. Pick the Poly CCX 505 if you want a 5-inch touch Teams/SIP phone with Wi-Fi and Bluetooth.
Both are Teams and Zoom certified appliance desk phones; the difference is screen and price.
Side by side
| Yealink MP56 E2 | Poly CCX 505 | |
|---|---|---|
| Price | $285 | $454 |
| Display | 7" 1024 x 600 capacitive touchscreen | 5" color multi-touch LCD, 720 x 1280 |
| Dimensions | 250.4 x 168.7 x 174.4 x 44.5 mm | — |
| Warranty | — | 1 year limited |
| Connections | Wireless: Bluetooth 5.2, dual-band 2.4/5 GHz Wi-Fi; Network: Dual-port Gigabit Ethernet, PoE 802.3af Class 3; USB: 1 x USB-A (headset, flash drive, up to 3 EXP50), 1 x USB-C | Wireless: Bluetooth 4.2, dual-band Wi-Fi (2.4/5 GHz); Network: 2 x Gigabit Ethernet, PoE IEEE 802.3af; USB: 1 x USB-A 2.0, 1 x USB-C 2.0 (headset, storage, expansion module) |
Specs are Poly and Yealink's published figures. Prices can change.
The key differences
- Screen: Yealink MP56 E2: 7" 1024 x 600 capacitive touchscreen. Poly CCX 505: 5" color multi-touch LCD, 720 x 1280.
Which should you buy?
- Choose the Yealink MP56 E2 if you want the one that costs $169 less. See the Yealink MP56 E2
- Choose the Poly CCX 505 if you want a 5-inch touch Teams/SIP phone with Wi-Fi and Bluetooth. See the Poly CCX 505
Also compared
- Poly Edge E450 vs Yealink MP56 E2
- Poly Rove 40 DECT Handset vs Yealink MP56 E2
- Yealink MP56 E2 vs Poly CCX 350
- Poly CCX 505 vs Yealink SIP-T58W
- Yealink MP54 E2 vs Poly CCX 505
Still deciding? Read the Yealink MP56 E2 guide and the Poly CCX 505 guide, see MP56 E2 alternatives and CCX 505 alternatives, compare them interactively, or send us your room details for a recommendation.
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