Aastra 57I CT, User Manual, Page: 10 / 236

2 Model 57i CT IP Phone User Guide
Introduction
Introduction
This 57i CT IP telephone has all the features of a regular business phone, allowing
you to make and receive calls, transfer, conference and more. The 57i CT IP
telephone provides communications over an IP Network using the SIP IP telephony
protocol.
Phone Features
• 11 line graphical LCD screen (144 x 128 pixels) with white backlight
• 12 multi-functional softkeys
— 6 Top Keys: Static softkeys
(up to 10 programmable functions)
— 6 Bottom Keys: 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*
Cordless Handset Features
• 5 line backlit display screen
• 2 multi-functional softkeys
• Programmable function key supports up to 14 functions
• Vibration Alerter
• Headset Jack
• Desk charging stand
*
Availability of feature dependant on your phone system or service provider.