Poly VVX EM50 Expansion Module - NEW
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Enhance your communication capabilities with the Poly VVX EM50 Expansion Module. Seamlessly extend the power of your Poly VVX phone, gaining quick access to additional programmable line appearances and features.
Features
- Additional line registrations
- Shared call appearance, bridged line appearance (key system emulation)
- Call transfer
- Busy lamp field
- Speed dial
- Fully programmable line appearances
- Multilingual user interface (driven from host phone) encompassing Chinese, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish
- Skype for Business presence
- 5.0in LCD WVGA (480x800 pixel) resolution
- Color TFT graphical user interface
- 30 multifunctional line keys configurable as line registration, call appearance, speed dial, DSS or BLF
- Dual-color (red or green) illuminated LEDs for line status information
- 3-page keys for additional line appearance
- Wall Mountable with optional wall mount bracket (2200-48893-001)
Previous Part Number
- HP Poly 85X07AA replaces Polycom 2200-48890-025 UPC/GTIN 00610807883517
Compatibility
- VVX 450
- VVX 450 OBI Edition
Power and UCS Firmware Requirements
- EM50 power is provided by Poly VVX450 host phone
- Use IEEE 802.3(af/at) PoE to power the VVX 450 or an external AC adapter (5 VDC/3 A)
- The EM50 powers up automatically upon USB port connection to the VVX 450
- While not required, we recommend still using the Poly 5 VDC/3 Amp power adapter even when powering the VVX 450 with PoE, to provide power needed to run both the phones and EM50 DSS console.
- We also recommend the phone run a minimum of UCS 6.4.3 firmware on the VVX 450
- When connecting multiple VVX EM50 modules to one VVX 450 phone, all of the EM50s must be the same hardware revision. Full Details HERE
Included
- Poly VVX EM50 Expansion Module
- Desk Stand
- Interconnection bracket and screws (too VVX 450 or other EM50)
- Setup sheet

New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.




Poly VVX EM50 Expansion Module - Grade A
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Enhance your communication capabilities with the Poly VVX EM50 Expansion Module. Seamlessly extend the power of your Poly VVX phone, gaining quick access to additional programmable line appearances and features.
Features
- Additional line registrations
- Shared call appearance, bridged line appearance (key system emulation)
- Call transfer
- Busy lamp field
- Speed dial
- Fully programmable line appearances
- Multilingual user interface (driven from host phone) encompassing Chinese, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish
- Skype for Business presence
- 5.0in LCD WVGA (480x800 pixel) resolution
- Color TFT graphical user interface
- 30 multifunctional line keys configurable as line registration, call appearance, speed dial, DSS or BLF
- Dual-color (red or green) illuminated LEDs for line status information
- 3-page keys for additional line appearance
- Wall Mountable with optional wall mount bracket (2200-48893-001)
Compatibility
- VVX 450
Power and UCS Firmware Requirements
- EM50 power is provided by Poly VVX450 host phone
- Use IEEE 802.3(af/at) PoE to power the VVX 450 or an external AC adapter (5 VDC/3 A)
- The EM50 powers up automatically upon USB port connection to the VVX 450
- While not required, we recommend still using the Poly 5 VDC/3 Amp power adapter even when powering the VVX 450 with PoE, to provide power needed to run both the phones and EM50 DSS console.
- We also recommend the phone run a minimum of UCS 6.4.3 firmware on the VVX 450
- When connecting multiple VVX EM50 modules to one VVX 450 phone, all of the EM50s must be the same hardware revision. Full Details HERE
Included
- Poly VVX EM50 Expansion Module
- Mounting bracket (to VVX 450 or other EM50)
- Desk Stand

Grade A Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.










































































