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Application filedfiledCritical
Priority to DE19742415369priorityCriticalpatent/DE2415369C2/de
Priority claimed from DE19742415369external-prioritypatent/DE2415369C2/de
Publication of DE2415369B1publicationCriticalpatent/DE2415369B1/de
Publication of DE2415369A1publicationCriticalpatent/DE2415369A1/de
Application grantedgrantedCritical
Publication of DE2415369C2publicationCriticalpatent/DE2415369C2/de
H04M3/42—Systems providing special services or facilities to subscribers
H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Sub-Exchange Stations And Push- Button Telephones
(AREA)
DE197424153691974-03-29Schaltungsanordnung für eine kleine Fernsprechnebenstellenanlage mit zwei und mehr Sprechstellen und mit einer
ExpiredDE2415369C2
(de)