Aastra Telecom 57I C53I manual Programmable Keys 53i, Model 536EM

Operational IP Phone Features

Operational 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.

IP Phone		Additional Softkeys	Programmable	Lines	Handset
	Softkeys	with Expansion			Keys
Model		Modules	Keys	Available	Available
53i	-	-	6	9	-
55i	6	36 to 108*	6	9	-
		(Model 536EM)

*The 536EM expansion module consists of 36 softkeys. You can have up to 3 expansion modules on an IP phone totaling 108 softkeys.

Operational IP Phone Features

41-001160-00, Rev 01 Release 2.0 5-27