Introduction; Phone Features - 57I Ct Base Unit; Phone Features - 57I Ct Cordless Handset; Requirements - Aastra 57i CT Installation Manual

Introduction

Congratulations on your purchase of the Model 57i CT IP Phone! The 57i
CT communicates over an IP network and offers a cordless extension,
allowing you to place and receive calls in the same manner as a regular
business telephone. The 57i CT is capable of supporting the SIP IP
protocol.
Phone Features – 57i CT Base Unit
• 11 line graphical LCD screen (144 x 128 pixels) with white backlight
• 12 multi-functional softkeys
- 6 as static keys
- 6 as programmable keys (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.
Phone Features – 57i CT Cordless Handset
• 5 line backlit display screen
• 2 multi-functional softkeys
• Programmable function key supports up to 14 functions
• Vibration Alerter
• Headset Jack
• Desk charging stand

Requirements

The 57i CT IP Phone requires the following environment:
• SIP-based IP PBX system or network installed and running with a SIP
account created for the 57i CT 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).
Model 57i CT Installation Guide 1