Model 55i IP Phone Installation Guide 1
Introduction
Introduction
Congratulations on your purchase of the Model 55i IP Phone! The 55i
communicates over an IP Network, allowing you to place and receive calls
in the same manner as a regular business telephone. The 55i is capable of
supporting the SIP IP 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).
