AASTRA 53i ip phone 매뉴얼

Model 53i IP Phone User Guide  135

Model 536M Expansion Module

The 53i IP Phone offers an optional 536M Expansion Module that attaches to the 
right side of the phone to provide additional softkeys.

Model 536M

The 536M provides 18 softkeys in each column (totaling 36 keys) on the keypad. 
Each key provides an LED for indicating call status. The 536M provides a paper 
label for convenient key labeling.
The softkeys support the following features:

• Busy Lamp Fields (BLFs) (maximum of 50)
• Speedial
• Shared Call Appearance
• Phone Lock

You can configure the softkeys using the Aastra Web UI.

Reference

For more information about configuring the expansion module softkeys with these 
functions, see the 

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