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2 Model 55i IP Phone User Guide
Introduction
Introduction
This 55i IP telephone has all the features of a regular business phone,
allowing you to make and receive calls, transfer, conference and more. The
55i IP telephone provides communications over an IP Network using the
SIP IP telephony protocol.
Phone Features
• 8 line graphical LCD screen (144 x 75 pixels) with white backlight
• 12 programmable keys
— 6 Top keys: Programmable hard keys
(up to 6 programmable functions)
— 6 Bottom keys: Programmable state-based softkeys
(up to 20 programmable functions)
• 4 call appearance lines with LEDs
• Supports up to 9 call lines
• Full-duplex speakerphone for handsfree calls
• Headset support (modular connector)
• Built-in-two-port, 10/100 Ethernet switch - lets you share a connection
with your computer.
• Inline power support (based on 802.3af standard) which eliminates
power adapters.
• AC power adapter (included)
•Enhanced busy lamp fields*
•Set paging*
* Availability of feature dependant on your phone system or service provider
Requirements
The 55i IP Phone requires the following environment:
• SIP-based IP PBX system or network installed and running with a SIP
account created for the 55i phone.
• Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol
(FTP), Hypertext Transfer Protocol (HTTP) server, or Hyper Text Trans-
fer Protocol over Secure Sockets Layer (SSL) (HTTPS).
• 802.3af Ethernet/Fast Ethernet LAN
• Category 5/5e straight through cabling
• Power over Ethernet (PoE) inline power injector (optional accessory -
necessary only if your network provides no inline power and if you do
not use the IP Phone’s power adapter).
Installation and Setup
If your system administrator has not already setup your 55i phone, please
refer to the Aastra 55i Installation Guide for basic installation and
physical setup information. For more advanced administration and
configuration information, system administrators should refer to the
Aastra SIP 53i, 55i, 57i, 57i CT IP Phone Administrators Guide.