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Telephone call screening is one of the many available services a telephone call management system utilizes in processing inbound calls. The concept of call screening is simple. Incoming calls are first examined by the system before being answered or rerouted. Calls are examined using a variety of criteria, ranging from caller ID, location, date, time to even its sounds.

Call screening is now widely used and popular for both home and office use. It is usually a paid subscription from telephone companies or telecommunication solutions provider. After subscription, key combinations will be required to utilize the service.

For a small amount, this service prevents various communication related problems by:

- Blocking or filtering of unwanted calls made by robots, solicitors or other callers.

- Preventing junk faxes from consuming ink, paper or filling-up available storage space.

- Avoiding phone harassment and threats.

- Eliminating the chance of missing important and prioritized calls.

- Forwarding of specific calls to other destination through voicemails, faxes or emails.

- Improving call management and control of incoming calls.

- Enabling the called party to view or hear information about the calling party.

Avoiding such problems before provides the subscriber with improved privacy, continuous and uninterrupted connectivity, efficiency and proper management of incoming calls; whether for small office telephone systems or home use. The decision to screen or not the incoming phone calls would depend on the priority and importance of the call.