Appendix A - Optional Expansion Modules
Expansion Modules
The 6757i IP Phone offers optional M670i and M675i Expansion Modules that attach to the right
side of the phone to provide additional keys. The keys support a variety of features including:
Busy Lamp Fields (BLFs) (maximum of 50)
Speeddial
Shared Call Appearance
Phone Lock
M670i
The M670i provides 18 keys in each column (totaling 36 keys) on the keypad. Each key provides
an LED for indicating call status. The M670i provides a paper label for convenient key labeling.
Figure 10 M670i Expansion Module
M675i
The M675i provides 10 softkeys in each column (totaling 20 keys) on the keypad. The M675i also
provides 3 keys at the bottom left of the unit. These keys represent "Page 1", "Page 2", and "Page
3" of the LCD display. The M675i has 20 keys available on each page (totaling 60 softkeys). Each
key provides an LED for indicating call status. The M675i provides an LCD screen for displaying
key labels.
Figure 11 Model 675i Expansion Module
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CS 6757i IP PHONE USER GUIDE V3.2.2
CLEARSPAN® IS A REGISTERED TRADEMARK OF AASTRA TECHNOLOGIES LTD.
AASTRA - 2788-003
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