发明名称 A TELEPHONE ACCESS SYSTEM
摘要 <p>A telephone access system for providing access to a temporary resident's telephone address in an internal telephone system comprising: a code store (3) containing a plurality of allocated and un-allocated access codes; a code assignor (2) for allocating an un-allocated access code from the code store to a temporary resident; a call receiver (4) for answering a telephone call from an external caller; a code detector (9) for detecting a code entered by the external caller; a comparator (10) to compare the entered code with the allocated access codes in the code store (3) and to establish if the entered code matches an allocated code; and a switch unit (5) operable to connect the external caller to the telephone address of the temporary resident allocated the access code matching the entered code.</p>
申请公布号 WO1995025398(A1) 申请公布日期 1995.09.21
申请号 IB1995000166 申请日期 1995.03.13
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