Model 6757i CT IP Phone User Guide 1WelcomeWelcomeThe Aastra 6757i CT offers advanced XML capability to access custom applications and is fullyinteroperable with leading IP-PBX platforms. Featuring a 5-line display, the 6767i CT supports upto 9 lines with call appearances and allows you to make and receive calls, transfer, conference, andmore. The 6757i CT IP telephone provides communications over an IP Network using the SIP IPtelephony protocol.About this GuideThis guide explains how to use the basic features of your new 6757i CT phone. Not all featureslisted are available by default. Contact your system or network administrator to find out whichfeatures and services are available to you on your system.Your System Administrator has the ability to customize some features on this phone. Forinformation on more advanced settings and configurations, administrators should refer to theAastra Models 9000i and 6700i Series SIP IP Phones Administrator Guide.Documentation• Aastra 6757i CT SIP IP Phone Installation Guide – Installation and set-up instructions,general features and functions, and basic options list customization. This Installation Guide isincluded with the telephone.• Aastra 6757i CT SIP IP Phone User Guide – Describes the most commonly used features andfunctions for an end user.• Aastra Models 9000i and 6700i Series SIP IP Phones Administrator Guide – Describes howto set the 6757i CT phone up on the network and contains advanced configuration instructionsfor the 6757i CT. This Administrator Guide is intended for the System Administrator and canbe downloaded from http://www.aastra.com.Phone Features• 11 line graphical LCD screen (144 x 128 pixels) with white backlight• Built-in-two-port, 10/100/1000 Gigabet Ethernet switch - lets you share a connection withyour computer.• 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)• Press-and-hold speed dial key configuration feature• 4 call appearance lines with LEDs• Supports up to 9 call lines