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 "Programmable Keys" on page 40.

Model 536M Expansion Module

Model 53i IP Phone User Guide 135

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Aastra Telecom 53i IP Phone manual Model 536M Expansion Module