AASTRA 6757i CT RP - Manual (Page 39)

Model 6757i CT RP Phone Installation Guide 33
Model M670i and M675i Expansion Modules
Model M670i and M675i Expansion Modules
The 6757i CT RP Phone offers optional Expansion Modules that attach to
the right side of the phone to provide additional softkeys.
Model M670i
Model M675i
The M670i provides 36 additional softkeys on a 6757i CT RP Phone. The
M675i provides 60 additional softkeys.
Each key provides an LED for indicating call status. The M670i provides a
paper label for convenient key labeling, and the M675i provides an LCD for
displaying key labeling.