The option provides the ability for a Multiline telephone to retrieve a held call by pressing the Hold key. Subsequent presses retrieve held calls in the order of most recently held to longest held.
This feature is only available on some phones; see Feature Availability below for more information.
Enable 'Call Hold - Retrieve with Hold Key'.
Supported on all devices.
To retrieve a call from Hold:
Lift the handset.
Press the Hold key.