User Manual
33 Model 57i CT Installation Guide
Model 536 and 560 Expansion Modules (536EM,
You can configure the softkeys via the configuration files or the Aastra
Web UI. See the Aastra 57i CT SIP IP Phone User Guide for more
information about using the 560EM on the 57i CT IP phone.
Installing the 536EM or 560EM
On the 536EM, there are 18 softkeys in each column (totaling 36 keys) on
the keypad. On the 560EM, there are 10 softkeys in each column (totaling
20 keys) on the keypad. The 560EM also provides 3 keys at the bottom left
of the unit that allow you to configure 20 keys for each button (totaling 60
softkeys).
The module connects to the right side of the 57i CT IP phone via an RJ-45
connector.
536EM
560EM