AASTRA 6739i for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 8)

Aastra 6739i SIP Telephone
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• Aastra M670i: offers 36 function keys
• Aastra M675i: offers 20 softkeys respectively programmable on three levels (total
of 60 storage locations)
Up to three key extensions can be connected: three key extensions of either the
Aastra M670i type or three of the Aastra M675i type. Key extensions cannot be com-
bined on the OpenCom 100 / Aastra 800 communications system.
About this Manual
This manual describes how to use an Aastra 6739i SIP telephone which is connected
to an OpenCom 100 / Aastra 800 communications system. If you require further infor-
mation, please consult the following Aastra 6739i manuals:
• Aastra 6739i SIP IP Phone Installation Guide (print version included with the
product): describes features, controls and possible connections of your SIP tele-
phone.
• Aastra 6739i SIP IP Phone User Guide: describes the most frequently used
telephony features for the telephone user.
• Aastra SIP IP Phone Administrator Guide: contains extensive information for the
administrator and describes how to configure the SIP telephone within the
network.
These manuals may also be downloaded as PDF files from the Aastra website.
Aastra M670i Aastra M675i