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Automatic tan switch for telephone subscriber for selstaendigen to - and abschaltungder for strength or via the subscriber circuit. Speech direction changes from the remote application service or. For the call diversion in the case of local switching centres of a conventional art
Automatic tan switch for telephone subscriber for selstaendigen to - and abschaltungder for strength or via the subscriber circuit. Speech direction changes from the remote application service or. For the call diversion in the case of local switching centres of a conventional art
