Avaya 1603-I Global IP Display Phone (700508259)
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The Avaya 1603-I is an entry level IP telephone designed for walk-up or basic users such as visitors, customers, or even employees who answer very few phone calls per day. It’s ideal for locations such as common areas in offices, stockrooms, lobbies, or drop-in desks.
Features
- White backlit display, 2 line x 16 characters, 128x25 pixels, 2.6 inch
- Programmable Feature Buttons: 3 buttons, each button equipped with dual LEDs (red/green) for line status
- Fixed Feature Buttons: Menu, conference, transfer, drop, hold, redial, mute, speaker, volume
- Single Ethernet (10/100) line interface
- 2-way Speakerphone
- Wall-Mountable (Included desk stand can be converted for wall-mount use)
- Message Waiting Indicator
- Software: H.323 protocol support; Standards-based codec support: G.711, G.726, G.729A/B
- Multi-language Support: Supports English, French, Spanish, German, Italian, Dutch, Portuguese, Russian, Japanese (half width Katakana), Traditional Chinese, Simplified Chinese, Korean, Hebrew and Arabic languages
- Global (Icon) Version: Avaya has transitioned all phones into Global/Icon versions. Global versions have Icon keys without the English text below the buttons.
Compatibility
- Avaya IP Office Release 6.0 or later
- Avaya Communication Manager Release 3.0 or later
Included
- Avaya 1603-I Global IP Display Phone (700508259)
- Desk Stand
- Handset with 9ft Cord
- Network 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.
1603-I Global IP Display Technical Specs
| Phone Type | VoIP |
|---|---|
| Lines | 3 |
| Connection | 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
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*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.






















































