Aastra Telecom 51i IP Phone - Manual (Page 7)

Model 51i IP Phone Installation Guide 1
Introduction
Introduction
Congratulations on your purchase of the Model 51i IP Phone! The 51i
communicates over an IP Network, allowing you to receive and place calls
in the same manner as a regular business telephone. The 51i is capable of
supporting the SIP protocol.
Phone Features
• 3-line LCD screen
• 1 call appearance line
• Supports 1 call line with transfer capabilities
• Full-duplex speakerphone for monitoring calls
• Built-in two-port, 10/100 Ethernet ports - lets you share a connection
with your computer
• Inline power support (based on 802.3af standard) which eliminates
power adapters.
• AC power adapter (sold separately)
Requirements
• SIP-based IP PBX system or network installed and running with a SIP
account created for the 51i 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).