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DIFF Subgroup
H04M 1/72418

for supporting emergency services

Introduced: January 2021

Full Title

Full titles differ between systems:

IPC:

Substation equipment, e.g. for use by subscribers > Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection > User interfaces specially adapted for cordless or mobile telephones > with means for local support of applications that increase the functionality > for supporting emergency services

CPC:

Substation equipment, e.g. for use by subscribers (subscriber services or facilities provided at exchanges H04M3/00; prepayment telephone coin boxes H04M17/00; current supply arrangements H04M19/08) > Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection > User interfaces specially adapted for cordless or mobile telephones > with means for local support of applications that increase the functionality > for supporting emergency services

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2021.

Child Classifications

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  • H04M 1/72421 with automatic activation of emergency service functions, e.g. upon sensing an alarm since 2021 IPC+CPC Available in IPC and CPC
  • H04M 1/72424 with manual activation of emergency-service functions since 2021 IPC+CPC Available in IPC and CPC