Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B7/00—Radio transmission systems, i.e. using radiation field
  • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
  • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
• • 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
  • H04M3/5116—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing for emergency applications

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Business, Economics & Management (AREA)
• Computer Networks & Wireless Communication (AREA)
• Emergency Management (AREA)
• Marketing (AREA)
• Mobile Radio Communication Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7519799

Family Applications (1)

Country Status (5)

Families Citing this family (2)

• 1965
  • 1965-03-19 DE DES96063A patent/DE1222551B/de active Pending
• 1966
  • 1966-03-09 NL NL6603125A patent/NL6603125A/xx unknown
  • 1966-03-17 AT AT255566A patent/AT259417B/de active
  • 1966-03-18 DK DK143766A patent/DK113156B/da unknown
  • 1966-03-18 GB GB1189766A patent/GB1086834A/en not_active Expired

Also Published As

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