Save on the Polycom VVX EM50 Expansion Module (2200-48890-025) — a professional-grade sidecar that transforms your VVX 450 IP phone into a high-performance attendant console. Backed by Reef Telecom's industry-leading 10-year warranty and rigorously tested to meet OEM specifications.

Key Features

• 5" Color Backlit LCD Display: WVGA resolution (480 x 800 pixels) for clear status monitoring and intuitive navigation
• 30 Programmable Line Keys: Dual-color LEDs (red/green) for line registration, call appearances, speed dial, BLF, and DSS
• Up to 90 Total Contacts: Three page keys let you scale across 90 extensions for maximum call handling capacity
• Plug-and-Play Installation: Powered and signaled by the host VVX 450 phone via USB — no external power supply needed
• Stackable Design: Connect up to two EM50 modules per VVX 450 for 60 additional programmable keys
• Complete Kit: Includes desk stand, connecting bracket, and mounting screws for quick setup

Compatibility

• Designed exclusively for the Polycom VVX 450 business IP phone
• Requires Polycom UC software v5.8.2 or later
• Compatible with Skype for Business presence
• Interoperable with Polycom partner IP telephony platforms

Ideal For

Receptionists, telephone attendants, executive assistants, and administrative staff who manage high call volumes, multiple extensions, and simultaneous workflows daily. The EM50 expansion sidecar reduces missed calls, speeds up call routing, and simplifies multi-line handling.

Why Buy from Reef Telecom?

• 10-Year Warranty on all refurbished equipment
• Free Shipping on orders over $300
• Professionally inspected, tested, and certified to perform like new

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.