Avaya IX Vantage K155 Open-SIP Color Touchscreen IP Phone - New
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Features
- Designed for users that prefer a traditional dial—pad & functional keys.
- Multimedia communications device with bright, crystal clear display—built for simple, instant, natural engagement.
- Signature audio excellence, unique modular design that provides 9 different form factors—including a 5” capacitive touch screen, an optional corded or cordless handset, and more.
- Keypad + Video = SIMPLICITY—combine the simplicity of one—touch high quality conferencing with the comfort of a physical keypad—all wrapped in the distinctive Avaya Vantage design.
- PoE support
- Dual port ethernet RJ45 gigabit
- Bluetooth 4.2
- Wi-Fi
- USB-A port
- Headset port: 3.5mm and RJ9
Included
- New Handset Cord
- New Cat5e Cable

New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
IX Vantage K155 Open-SIP Technical Specs
| Phone Type | VoIP |
|---|---|
| Lines | Multi-line |
| Connection | Ethernet |
| Display | 5”, 720x1280 Capacitive Touch |
| SIP | Yes |
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.




Avaya IX Vantage K155 Open-SIP Color Touchscreen Gigabit IP Phone - Grade A
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
The Avaya Vantage K155 stands out as a potent Android-based device, featuring a generous color touch screen, an integrated video camera, and a mechanical dial pad with feature keys. Ideal for phone calls, video conferencing, collaboration, and remote work, the K155 offers a versatile solution to meet your communication requirements.
Features
- Android based device
- 5" landscape, color touch screen (1280 x 800 pixel, 24-bit color, capacitive touch)
- 2 megapixel integrated video camera
- Mechanical dial pad
- Fixed feature keys include Android Keys, audio mute, video mute, headset, speaker, volume control
- Message waiting indicator
- 3.5 mm, RJ9, and USB Type-A ports provide connections for a wide array of headsets
- Supports optional Avaya Vantage Cordless Handset or Avaya Vantage Corded Handset
- Micro HDMI 2.0 port allows you to extend to external display
- Supported audio codecs include G.722, G.711, G.729, G.726, Opus
- H.264 video codec supported for video conferencing
- General purpose USB 2.0 Type-A port provides support for USB flash drive, camera, headset, mouse, keyboard
- Can install optional Avaya J100 Wireless Module to add Wi-Fi and Bluetooth support
- Dual 10/100/1000 Mbps Gigabit Ethernet ports
- Kensington security slot
- Fixed-angle, detachable desk stand
- Simplified user interface streamlined for natural workflow and communication
- 32 GB flash memory
- Supports wideband audio on handset, headset, and speakerphone
- Powered via 802.3af/at Power over Ethernet, optional PoE injector, or optional 48V DC power supply (sold separately)
- Developer customization through Avaya Breeze SDK and APIs
Compatibility
- Latest Avaya Aura Release 6.3 Service Pack or a higher release.
- IP Office Release 11.0
- IP Office only supports Avaya Vantage Connect; other clients are not currently supported in the IP Office environment.
Included
- Avaya IX Vantage K155 Open-SIP Color Touchscreen Gigabit IP Phone
- New Handset Cord
- New Cat5e Cable
- New Desi Overlays

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.
IX Vantage K155 Open-SIP Technical Specs
| Phone Type | Gigabit IP |
|---|---|
| Lines | Multi-line |
| Connection | 10/100/1000 Gigabit Ethernet |
| Display | Yes |
| SIP | 1 |
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.

































































