Welcome2 41-001317-05 REV00 – 03.2011(refer to the IP Phone 6739i Installation Guide for information on installing a DHSG headset on your phone.)• Up to 9 lines with 3 call appearance lines with multi-proxy support• Up to 55 programmable softkeys• Picture ID feature (during calls and in the Directory, Callers List, and Redial List)• XML support for productivity-enhancing applications• AC power adapter (sold separately)• Set paging** Availability of feature dependant on your phone system or service provider.RequirementsThe 6739i IP Phone requires the following environment:• SIP-based IP PBX system or network installed and running with a SIP account created for the 6753i 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 BaseT) or Gigabit Ethernet LAN (1000 BaseT) (Gigabit Ethernet LAN (1000 Mbps)recommended)• Category 5/5e straight through cabling (category 6 straight through cabling required for optimum Gigabit Ethernetperformance)• Power sourceFor 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 ACpower adapter required.)For Ethernet networks that DO NOT supply power to the phone:– (optional) For power, use the AC Power Adapter (optional accessory) to connect from the DC power port on thephone to a power source. Contact Aastra Telecom for more information.or– (optional) - For power, use a Power over Ethernet (PoE) power injector or a PoE switch. A PoE power injector is avail-able as an optional accessory from Aastra Telecom. Contact your Administrator for more information.Installation and SetupIf your System Administrator has not already setup your 6739i phone, please refer to the Aastra 6739i Installation Guidefor basic installation and physical setup information. For more advanced administration and configuration information,System Administrators should refer to the Aastra Models 9000i and 6700i Series SIP IP Phones Administrator Guide.