What is the primary function of an intercom system in access control?

The primary function of an intercom system in access control is to allow communication between individuals inside and outside a secure area. This capability is crucial for verifying the identity of individuals seeking access and facilitating direct interaction, enabling personnel to make informed decisions about granting or denying entry. Intercom systems often feature audio and sometimes video feeds, allowing for identification and communication that enhances security protocols.

While other options involve aspects of security and access control, they do not fulfill the fundamental role of an intercom. For instance, recording video footage relates more to surveillance than direct communication. Providing remote access without verbal communication misses the interactive nature of an intercom system, which primarily centers around facilitating conversation. Disabling alarms during authorized entry pertains to alarm management rather than the communication function that intercoms primarily serve.