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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AIPPON KK
Original Assignee
AIPPON KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AIPPON KKfiledCriticalAIPPON KK
Priority to JP2252581ApriorityCriticalpatent/JPS57136852A/ja
Publication of JPS57136852ApublicationCriticalpatent/JPS57136852A/ja
Publication of JPS6239868B2publicationCriticalpatent/JPS6239868B2/ja
H04M3/42—Systems providing special services or facilities to subscribers
H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Interconnected Communication Systems, Intercoms, And Interphones
(AREA)
JP2252581A1981-02-181981-02-18Informing device equipped with centralizing function
GrantedJPS57136852A
(en)