Aastra Telecom C53I User Guide

Operational Features

41-001160-00, Rev 01  Release 2.0

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Operational IP Phone Features

In addition to the softkeys on the 57i CT, this phone also has handset keys you can 
configure with specific features. You can use the Aastra Web UI to configure the 
handset keys.

You can program up to 15 feature keys on the 57i CT handset with specific 
functions using the Aastra Web UI. 

The following table identifies the functions available for all 15 handset keys and 
the default functions for each key.

You configure the handset keys using the Aastra Web UI 

(Operation->Handset Keys) or by pressing the "F" button on the 
handset.

Line 1 key - Selects line one

Handset Key 1

Line 2 key - Selects line two

Handset Key 2

Line 3 key - Selects line three

Handset Key 3

Line 4 key - Selects line four

Handset Key 4

Intercom key – Enter handset list to select handset to call

Handset Key 5

Directory key – Activate directory feature

Handset Key 6

Callers key – Activate callers feature

Handset Key 7

Transfer key - Activate transfer feature

Handset Key 8

Conference key - Activate conference feature

Handset Key 9

Public key – Toggle between public & private call mode

Handset Key 10

No function is selected – this key is empty, no label.

Handset Key 11 and 12

Line 5 key (if available) - Selects line five.

Handset Key 13

Line 6 key (if available) - Selects line six.

Handset Key 14

Line 7key (if available) - Selects line seven.

Handset Key 15

Line 8 key (if available) - Selects line eight

Line 9 key (if available) - Selects line nine