Inter-Tel Axxess 550.8662P Black IP Large Display Phone - Grade A
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Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
May have Mitel or Inter-tel Logo. This phone is for the Inter-tel Axxess or Inter-tel-Mitel 5000 platform.
Features
- 6 Line x 16 Character LCD Display with Embedded Soft Keys for Call Management
- Offers feature buttons for quick access to frequently used functions such as:
- Hold
- Mute
- Do-Not-Disturb
- Transfer
- Forward
- Conference
- Page and more
- Provides a message waiting lamp, adjustable base and wall mount
- Full Duplex Speakerphone with Headset Support
- LED Light Indicators
- Provides QoS and Web-based programming
- Upgradeable through software
- Supports G.711 a-law, G.711 u-law, G.729a, and G.729a/b vocoders
- Supports centralized power over LAN (Local Area Network) (IEEE compatible)
- Enables Dynamic Host Configuration Protocol (DHCP) or static IP addressing
- User configurable Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) port number
- Includes extra switch port
- Configurable in Inter-Tel Protocol or SIP mode(features may vary in each mode)
- Supports VLAN tagging, which eases management, improves call quality and increases security
Includes
- New Handset Cord
- New Cat 5 Cable
- New Desi Overlays
Hosted Provider Compatibility
- RingCentral
- Fonality
- 8x8, Inc.
- OnSip
- Vonage
- MegaPath
Compatibility
- Requires Axxess Software and IPRC v8.1 or higher
- Unified Communicator and Sip Server required if using SIP mode
- IP CAT-A or SIP license is also required
Note
- Phones are upgraded to 2.0 firmware

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.
Axxess 550.8662P Black IP Technical Specs
| Phone Type | IP |
|---|---|
| Lines | Multi line |
| Connection | Gigabit Ethernet |
| Display | Yes |
| SIP | No |
Axxess 550.8662P Black IP Parts & Accessories
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.

































































