AU1176066A - Telephone extension system - Google Patents

Telephone extension system

Info

Publication number
AU1176066A
AU1176066A AU11760/66A AU1176066A AU1176066A AU 1176066 A AU1176066 A AU 1176066A AU 11760/66 A AU11760/66 A AU 11760/66A AU 1176066 A AU1176066 A AU 1176066A AU 1176066 A AU1176066 A AU 1176066A
Authority
AU
Australia
Prior art keywords
extension system
telephone extension
telephone
extension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU11760/66A
Other versions
AU424434B2 (en
Inventor
Phillip Driver Joel
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU424434B2 publication Critical patent/AU424434B2/en
Publication of AU1176066A publication Critical patent/AU1176066A/en
Expired legal-status Critical Current

Links

AU11760/66A 1966-09-28 Telephone extension system Expired AU424434B2 (en)

Publications (2)

Publication Number Publication Date
AU424434B2 AU424434B2 (en) 1968-03-28
AU1176066A true AU1176066A (en) 1968-03-28

Family

ID=

Similar Documents

Publication Publication Date Title
AU424434B2 (en) Telephone extension system
AU409659B2 (en) Telephone system
CA735572A (en) Telephone system
AU1176066A (en) Telephone extension system
AU1823267A (en) Telephone system
CA714147A (en) Telephone line selecting system
CA730770A (en) Remote telephone extension system
AU283239B2 (en) Telephone system
CA735030A (en) Telecommunication systems
CA730245A (en) Telephone repeater
CA736577A (en) Communication system
CA728263A (en) Communication system
AU409494B2 (en) Telephone signalling
CA737058A (en) Telephone line concentrator system
CA730765A (en) Distributed telephone line concentrator
CA745246A (en) Communications system
CA725327A (en) Selective call system
CA728260A (en) Digital communication system
CA727297A (en) Digital communication system
CA690627A (en) Telephone system
CA693512A (en) Telephone system
AU407923B2 (en) Telephone system
CA696603A (en) Telephone system
AU5425965A (en) Telephone system
CA689421A (en) Telephone system ring-tripping arrangement