Overview > DS Phones


This type of phone cannot be used for the administration functions covered by this document. However using centralized administration from another phone, functions can be applied to the phone from another extension.

The programmable buttons are numbered from 01 upwards from left to right.

1603 telephone buttons

Button Numbering




For systems running in key system mode, the first two programmable buttons, 01 and 02, are fixed as Intercom 1 and Intercom 2 buttons.
For systems running in PBX system mode, the first three buttons, 01 to 03, are fixed as call appearance buttons.



© 2011 Avaya LLC
- Issue 3.b.-
11:29, 22 March 2011

Performance figures, data and operation quoted in this document are typical and must be specifically confirmed in writing by Avaya before they become applicable to any particular order or contract. The company reserves the right to make alterations or amendments at its own discretion. The publication of information in this document does not imply freedom from patent or any other protective rights of Avaya or others.

All trademarks identified by (R) or TM are registered trademarks or trademarks respectively of Avaya LLC. All other trademarks are the property of their respective owners.

Last Modified: 31/01/2011