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CS 6757i IP PHONE USER GUIDE V3.2.2  AASTRA - 2788-003 
CLEARSPAN® IS A REGISTERED TRADEMARK OF AASTRA TECHNOLOGIES LTD.  PAGE 16 OF 116 
2.2.1  Phone Features 
  11-line graphical LCD screen (144 x 128 pixels) with white backlight. 
  12 multi-functional softkeys. 
  6 Top Keys: Static programmable softkeys – (up to 10 programmable functions). 
  6 Bottom Keys: State-based programmable softkeys - (up to 20 programmable functions). 
  4 line appearance keys with corresponding status lamps. 
  Supports up to 9 lines. 
  Full-duplex speaker for hands-free calls. 
  Headset support (modular connector). 
  Built-in two-port, 10/100 Ethernet switch allowing you to share a connection with your 
computer. 
2.2.2  General Requirements 
The 6757i requires the following environment: 
  A SIP-based IP PBX system or network installed and running with a SIP account created for 
the 6757i. 
  Access to a Trivial File Transfer Protocol (TFTP) server. 
  Ethernet/Fast Ethernet LAN (10/100mb). 
  Category 5/5e straight through cabling. 
  Power Options: 
  Power over Ethernet (PoE) 802.3af 
  Inline power injector – An optional accessory necessary only if your network provides no 
inline power. 
  AC power adapter, included with the phone. 
2.3  Headset/Handset Connection 
2.3.1  Handset 
Turn the phone over and locate the handset jack marked  . Insert one end of handset cord 
into the jack until it clicks into place. Then route the handset cord through the groove as shown in 
the illustration below. Attach the handset to the other end of the handset cord.