| 摘要 |
A selectable cordless or corded telecommunication system (10) that consists of a telephone base unit (12) a cordless type handset (14) and an interface unit (16) that provides the interface between the telephone base unit and the handset. The system (10) allows the handset to be operated in either a corded audio mode: that is the handset is attached to the telephone base unit by a handset cable assembly (18); or in a cordless radio-link mode that is effected by removing the handset (14) from the handset cable assembly (18). A plurality of systems (10) can be operated within a single structure, such as an office building, without interference from each other. |
