H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/15
H04M 3/54 (2006.01) H04M 3/51 (2006.01)
Patent
CA 1227268
TITLE SECRETARIAL TELEPHONE STATION WITH DISTRIBUTED PROCESSING FOR USE WITH A SECRETARIAL ANSWERING SYSTEM ABSTRACT OF THE DISCLOSURE A secretarial telephone station for use with a secretarial answering system and a switching system which includes a plurality of subscriber telephone stations each equipped with a buzzer. The secretarial answering system is connected to the subscriber sta- tions and transmits subscriber station busy, idle and ringing status and line identification information to the secretarial station. The secretarial station includes a lamp and switch pair for each associated subscriber station, first and second processing units, and an audible signalling circuit. The first proc- essing unit receives this information according to a link bus protocol for packetized messages. The second processing unit receives this information and causes the lamp associated with each of the subscriber sta- tions to display dark, lit or flashing signals cor- responding to the idle, busy and ringing status. The second processing unit also causes the audible signal- ling circuit to provide a ringing tone whenever a lamp is flashed. In response to operation of the switch associated with a called subscriber station, the second processing unit transmits a directed call pickup and a call transfer message to the switching system which route the subscriber's incoming call to the secretarial station for screening. A buzzing requested message is then transmitted to the secretarial answering system via the first processing unit according to a link bus protocol for packetized messages. The buzzing re- quested message informs the secretarial answering system to cause the subscriber station's buzzer to provide an audible signal indicating that the current incoming call has been screened by a secretary.
464838
Csapo Janos
Smith Louis W.
Gte Communication Systems Corporation
R. William Wray & Associates
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