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2 Model 57i IP Phone User Guide
Introduction
Introduction
This 57i IP telephone has all the features of a regular business phone, allowing you to
make and receive calls, transfer, conference and more. The 57i 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*
*
Availability of feature dependant on your phone system or service provider.