Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q3/00—Selecting arrangements
  • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
  • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
  • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • 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
  • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
  • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Business, Economics & Management (AREA)
• Marketing (AREA)
• Signal Processing (AREA)
• Thyristor Switches And Gates (AREA)
• Interface Circuits In Exchanges (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9819214

Family Applications (1)

Country Status (3)

• 0
  • NL NL261669D patent/NL261669A/xx unknown
• 1960
  • 1960-02-25 GB GB670160A patent/GB901837A/en not_active Expired
• 1961
  • 1961-02-24 DE DEA36800A patent/DE1138433B/de active Pending

Also Published As

Similar Documents