Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
  • H04M1/65—Recording arrangements for recording a message from the calling party
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
  • H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
  • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Computer Networks & Wireless Communication (AREA)
• Near-Field Transmission Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7066848

Family Applications (1)

Country Status (4)

• 0
  • BE BE519434D patent/BE519434A/xx unknown
  • NL NLAANVRAGE7510708,B patent/NL177877B/xx unknown
  • FR FR1077737D patent/FR1077737A/fr not_active Expired
• 1952
  • 1952-10-28 DE DEE6222A patent/DE968157C/de not_active Expired

Also Published As

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