End users must perform procedures to use certain features. They can activate or deactivate certain system features and capabilities and modify or customize some aspects of administering certain features and capabilities.

To activate the Send-nn (p) button on the endpoint, press the Send-nn (p) button once.

When you press the Send-nn (t) button, the Send-nn (t) feature becomes active. The user are prompted to enter the extension of the destination party to initiate the call. After pressing the Send-nn (t) button, the green light on the station illuminates for a duration of 2 seconds. This indicates that the Send-nn (t) feature is activated specifically for the current outgoing call.