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RN-001029-00, Rev 01, Release 2.0 7
SIP IP Phone Models 53i, 55i, 57i, 57i CT Release Notes
Model 57i CT IP Phone
Model 57i CT SIP IP phone offers the following
features:
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 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 and Charging Base
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.