InterCom Hands-free Procedure

InterCom hands-free is carried out as follows:

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A system telephone is called using InterCom hands-free.

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

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Note: Hands-free calling is limited to 120 seconds due to security reasons in order to prevent possible misuse of this function (for example, eavesdropping from remote 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.