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Operational Features
41-001160-00, Release 2.1, Rev 04 5-97
Configuring Operational Features
Operational IP Phone Features
Programmable Keys (53i, 55i)
The following table provides the number of softkeys and programmable keys you
can configure, and the number of lines available for each type of phone.
*The 536M expansion module consists of 36 softkeys. You can have up to 3 expansion modules on an IP phone totaling
108 softkeys.
Softkey/Programmable Key/Expansion Module Key Functions
You can configure the softkeys, programmable keys, and any attached expansion
module keys on the 53i, 55i, 57i, and 57i CT to perform specific functions using
the configuration files or the Aastra Web UI. The following table identifies the
available functions of the softkeys, programmable keys, and expansion module
keys on the IP phones. Available functions may vary on each model phone.
The following Key Functions Table lists the available functions for the keys on
the IP Phones and Expansion Modules.
IP Phone
Model
Softkeys
Expansion Module
Keys
Programmable
Keys
Lines
Available
Handset
Keys
Available
53i - 36 to 108*
(Model 536M)
4 9-
55i 6 36 to 108*
(Model 536M)
60 to 180**
(Model 560M)
6 9-
Note: These functions apply to the 53i, 55i, 57i, 57i CT and Expansion
Modules unless specifically stated otherwise.