PLT
Poly Edge E Extension Module for Edge Series IP Phones
★★★★★ ✓ Top Pick in Servers
Last updated: 19 July 2026
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Overview
The Poly Edge E Extension Module for Edge Series IP Phones is one of the most popular choices in Servers right now. With a strong 4.5/5 average rating, it's a dependable choice.
Key features
- Button Expansion Module for Poly Edge E Series (E400/E450 and E500/E550)
- Turn your phone into a powerful switching console
- Scalable expansion with three sides with 22 dedicated keys each - a total of 66 contacts/speed dials per module
- Large, bright 5 inch IPS colour display
- No additional power source required - powered directly from the Poly host phone
- Up to two Poly Edge EM modules possible with E500/E550
