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Intercoms can be used for basic communications purposes, but they can also play an important part in your facility’s overall security program. Security Intercom systems are particularly powerful when integrated with other security management systems such as Access Control, Video Surveillance, and/or Electronic Locks. Additionally, Intercoms can enhance your customer experience with functions such as providing directions to visitors, allowing employees to request a security escort to their cars, and notifying security of safety violations.


There are three main types of intercom systems: audio only, audio/video, and combination systems.

  1.  Audio only systems are capable of voice communication only. They are typically used in applications where the master station user is in a direct line of sight with the door that is being secured.
  2. Audio/video systems include both audio and video communications. When a call is initiated from the door station, the master station includes both a microphone for audio communication and a video screen that shows live video at the door station. These systems are typically deployed in areas where direct line of sight to the door is not available.
  3. Combination systems contain multiple doors that require a mix of both audio only and audio/video door stations.


Intercom systems can significantly improve communication within an office environment among employees, clients, and guests by:

  • Allowing contact between employees or customers via a loudspeaker or walkie-talkies
  • Helping to monitor visitor traffic and traffic in loading docks
  • Interfacing with other security systems and integrating with Access Control and Video Surveillance solutions
  • Providing microphone surveillance
  • Increasing safety with medical alerts or emergency preparedness notifications
  • Operating as an emergency phone


Increase communication with an Intercom system. Allegiance Security Integration has installed all types of Intercom solutions for organizations since 2007.

To learn about your Intercom options, contact ASI. Our team will work with you to determine the best solution for your business needs.

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