How InterCom Hands-Free Calling Works

The InterCom hands-free calling function works like this:

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A system telephone is called using the InterCom hands-free calling function.

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After a few rings, the system telephone automatically picks up the call.

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Note: For security reasons, hands-free calling is limited to 120 seconds to prevent possible misuse of this function (for example, eavesdropping from distant rooms).

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After 120 seconds has elapsed, the connection is automatically interrupted unless the system telephone receiver is picked up during this time.