The Avaya 1603 IP is a Proprietary IP telephone which requires a Proprietary VoIP telephone system to operate. This phone is not suitable for home use.
To power this device using Power Over Ethernet (PoE), an adapter is required. Please see accessories and description for more information. If you do not have PoE on your network, you will need to purchase a separate Power Supply Unit (PSU).
You can check out the main features of the Avaya 1603 IP by using our useful product comparison chart and comparing to other models in the range.
|Manufacturer Part #||700445968|
Avaya 1603 IP Telephone User Guide Size: (255 KB)
Avaya 1603 IP Telephone Quick Reference Guide Size: (190 KB)
Q. What is the difference between the Avaya 1603 and Avaya 1603i?
A. The 1600i's only work release 5 and above
Q. How can i find out if my Plantronics HW251N will work with phone?
A. Please our Headset Compatibility Guide
Check out our complete FAQ sheet for more information.
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We offer a next day courier service at a very reasonable price. Timed deliveries are also available if you need to get your hands on the equipment in a hurry.
You can see which delivery options are available to you by simply adding the products you wish to purchase to the shopping cart before entering your delivery post code.
Please note next day delivery from point of order is not guaranteed. Visit our delivery information page to find out more.