Model 57i CT IP Phone Installation Guide
1
Introduction
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 Top Keys: programmable static softkeys (up to 10 programmable
functions)
- 6 Bottom Keys: programmable state-based softkeys (up to 20 program-
mable 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
