41-001158-05 Rev 03 – 04.2012 1
Welcome
Congratulations on your purchase of the Model 6755i IP Phone! The 6755i communicates over an IP Network,
allowing you to place and receive calls in the same manner as a regular business telephone. The 6755i is capable
of supporting the SIP IP protocol.
Phone Features
• 8 line graphical LCD screen (144 x 75 pixels) with white backlight
• Built-in-two-port, 10/100 Gigabit Ethernet switch - lets you share a connection with your computer
• 12 programmable keys
– 6 Top keys: Programmable hard keys (up to 6 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)
• Inline power support (based on 802.3af standard) which eliminates power adapters
• Enhanced busy lamp fields*
• Set paging*
* Availability of feature dependant on your phone system or service provider.
Requirements
The 6755i IP Phone requires the following environment:
• SIP-based IP PBX system or network installed and running with a SIP account created for the 6755i phone
• Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol (FTP), Hypertext Transfer Protocol (HTTP) server, or
Hyper Text Transfer Protocol over Secure Sockets Layer (SSL) (HTTPS)
• Ethernet/Fast Ethernet LAN (10/100 Mbps) )
• Category 5/5e straight through cabling
• Power source
For Ethernet networks that supply in-line power to the phone (IEEE 802.3af ):
– For power, use the Ethernet cable (supplied) to connect from the phone directly to the network for power. (No 48v
AC power adapter required.)
For Ethernet networks that DO NOT supply power to the phone:
– (optional) - For power, use a Power over Ethernet (PoE) power injector or a PoE switch. A PoE power injector is availa-
ble as an optional accessory from Aastra Telecom. Contact your Administrator for more information.
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