Aastra 6771/6773/6775 (OpenPhone 71/73/75) System Phones
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1. Aastra 6771/6773/6775
(OpenPhone 71/73/75)
System Phones
The Aastra 6771 (OpenPhone 71), Aastra 6773 (OpenPhone 73) and Aastra 6775
(OpenPhone 75) are corded system telephones that you can operate on your
OpenCom 100 communications system. The MenuCard display makes your tele-
phone easy to operate and gives you fast access to your system’s wide range of dif-
ferent functions and features.
The Aastra 6771 (OpenPhone 71), Aastra 6773 (OpenPhone 73) and Aastra 6775
(OpenPhone 75) have the same functionality, the only difference being the size of
the display and the number of programmable keys available. Furthermore, the
Aastra 6773 (OpenPhone 73) and Aastra 6775 (OpenPhone 75) can be expanded
by means of an add-on key extension with a display, that offers additional pro-
grammable keys (see page 31).
The Aastra 6773 (OpenPhone 73) and the Aastra 6775 (OpenPhone 75) are also
available as IP telephones (Aastra 6773ip (OpenPhone 73 IP) and Aastra 6775ip
(OpenPhone 75 IP)). These telephones have the same functionality as the standard
system telephones. All of the functions described in this guide are also available
for the IP telephones. The chapter VoIP Telephones starting on page 87 contains a
short summary of the information necessary for the IP system telephone user.
You can activate the features and programme functions on the telephones them-
selves, or equally conveniently, use the Configurator of the communications
system.
About this User Guide
The description of the various functions of your system telephone covers (unfortu-
nately) many pages. Not every user has the time and leisure to read the guide from
start to finish before telephoning for the first time. The following chapters are
mandatory reading before using your telephone:
■ Safety Precautions starting on page 8: These tips are for your own safety and
help you to protect the telephone from damage!
■ Installation Site starting on page 9
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