H04L 61/4594 Address books, i.e. directories containing contact information about correspondents (telephone directories in user terminals H04M1/27453)
Introduced: January 2022
Title
Titles differ between systems:
IPC: Address books, i.e. directories containing contact information about correspondents
CPC: Address books, i.e. directories containing contact information about correspondents (telephone directories in user terminals H04M1/27453)
Full Title
Full titles differ between systems:
Network arrangements, protocols or services for addressing or naming > Network directories; Name-to-address mapping > Address books, i.e. directories containing contact information about correspondents
Network arrangements, protocols or services for addressing or naming > Network directories; Name-to-address mapping > Address books, i.e. directories containing contact information about correspondents (telephone directories in user terminals H04M1/27453)
No child classifications to compare. This is a leaf node in both IPC and CPC.