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480i SIP IP Phone User Guide
Aastra - 2711-001
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Chapter 1
Introduction
Overview
This 480i IP telephone provides communications over an IP Network using the SIP IP
telephony protocol. The 480i has all the features of a regular business set, and more,
allowing you to make and receive calls, transfer, conference and more.
The 480i Telephone
Phone Features
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A 3.5" x 2.25" backlit display.
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Handset with 1 1/4" x 3/4" backlit display and a handset base.
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6 multi-functional softkeys – as default or customized settings.
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4 line/call appearance buttons with corresponding lights.
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Up to 5 additional line/call appearances as softkeys.
Summary of Contents for 480I SIP IP PHONE
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Page 2: ...M M Proprietary and Contents Section ii Aastra 2711 001 ...
Page 6: ...M M Proprietary and Contents Section vi Aastra 2711 001 ...
Page 14: ...M M About This Publication xiv Aastra 2711 001 ...
Page 26: ...M M Chapter 3 Keys and Functions 12 Aastra 2711 001 ...
Page 48: ...M M Chapter 5 Additional Features 34 Aastra 2711 001 ...
Page 52: ...M M Chapter 6 Troubleshooting 38 Aastra 2711 001 ...