Feature Access Code (FAC)

Assign a Feature Access Code (FAC) with which to activate or deactivate Automatic Callback.

Automatic Callback Activation/ Deactivation

Feature-Related System Parameters

Set the number of times that the callback call rings at the calling station before the system cancels the callback call.

Automatic Callback With Called Party Queuing-No Answer Timeout Interval

Station (multiappearance)

Assign a feature button for the Automatic Callback feature.

Buttons/Feature Button Assignments - auto-cback

Trunk Group

Set the queue length for Ringback Queuing.

Queue Length

Enable CCBS

Supplementary Service Protocol

NCA-TSC Trunk Member