Personal extension telephone arrangement

摘要

There are two separate areas, one (A) for general use and one (B) for restricted use with enhanced hygiene, such as required for hospital patients. The restricted zone (B) is equipped with the extension station (3) and this contains a telephone socket (4) for the plug (5) of a telephone, a card reader (6) for reading and entering information and a display (8) for indication details of the customer (and patient). There is also a plug (9) for power and a line (10) to the exchange. When a patient needs to 'phone, he obtains a card (7) from the card vending machine (1), with a suitable credit balance and goes to the automatic machine (2) to obtain, with the card, a hygienic telephone (one way), the use being booked to the card.