Aastra Telecom 480I CT User Manual

 2

/ IP Phone User Guide

This guide compliments the Aastra 
Model 480i CT Installation Guide 
that is included with the phone. 
Please refer to the installation 
guide for information on hardware 
requirements, features and 
physical set up of your new 480i 
CT. 
Software Prerequisites 
• Permission to register at the IP 

PBX 

• Access to a Trivial File Transfer 

Protocol (TFTP), File Transfer 
Protocol (FTP), or Hypertext 
Transfer Protocol (HTTP) server 

• A 3.5" x 2.25" backlit display on 

main unit

• Handset with 1 1/4" x 3/4" back-

lit display and a handset base.

• 6 multi-functional softkeys - as 

default or customized settings

• 4 line/call appearance buttons 

with corresponding lights.

• Up to 5 additional line/call 

appearances as softkeys.

• Enhanced busy lamp fields.
• Full-duplex speakerphone for 

handsfree.

• Built-in-two-port, 10/100 Ether-

net switch which lets you share 
a connection with your com-
puter.

• Inline power support, which 

eliminates power adapters.

• A SIP-based IP PBX system or 

network installed and running 
with a number created for the 
new 480i IP phone.

• Adherence to SIP standard

RFC 3261.

• Access to a configuration server 

where you can store the firm-
ware image and configuration 
files. 
The configuration server must 
be able to accept connections 
anonymously (if TFTP is used). 

• The IP phone must be config-

ured for a specific type of proto-
col to use. (TFTP is enabled by 
default). You can configure the 
following protocols on the IP 
phone:
- TFTP (Trivial File Transfer 

Protocol)

- FTP (File Transfer Protocol)
- HTTP (Hypertext Transfer

Protocol)

• A 802.3 Ethernet/Fast Ethernet 

LAN

• Category 5/5e straight through 

cabling

• Power over Ethernet (PoE) 

power supply (optional acces-
sory – necessary only if no inline 
power is provided on the net-
work).