Do Not Disturb
By activating this function all incoming calls are blocked and automatically redirected to the answering machine. The function can be switched on and switched off at any moment.
“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
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