Aastra Telecom 41-001343-02 User Manual

41-001343-02 REV04 – 05.2014

This section provides brief information about the Model 6391i IP Phone. It includes a list of features and describes the 
hard keys on the 6739i. The 6739i is available with a symbol keypad or a text keypad.

Large 5.7” full VGA (640x480) color touch screen display and backlight

Advanced and expandable Executive Level SIP Phone

Intuitive graphical user interface and navigation menus

Two built-in 10/100/1000 Gigabit Ethernet switch ports - lets you share a connection with your computer.

Inline power support (based on 802.3af Power-over-Ethernet (PoE) standard) which eliminates power adapters

Built-in Bluetooth technology for headset support

Existing 675xi Expansion Module support

USB port support (for future use)

Aastra Hi-Q Audio™ Technology

Full-duplex speakerphone for handsfree calls

Additional headset connection options: modular RJ jack, built-in EHS/DHSG port (refer to the IP Phone 6739i Installa-
tion 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)