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Definition

A communication system allowing a person to speak into a microphone and be heard through a speaker in another location.

Things you need to know

Intercoms can allow either one-way or two-way communication.

Cost Considerations

Adding an intercom to a basic phone system increases the overall cost by $100 to $150.

Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.