Patent classifications
H
ELECTRICITY
Load children
H04
ELECTRIC COMMUNICATION TECHNIQUE
Load children
H04M
TELEPHONIC COMMUNICATION
Load children
15/00
Arrangements for metering, time-control or time indication; ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
Load children Filter patents View analytics View as hierarchy
H04M15/70
Administration or customization aspects; Counter-checking correct charges
Load children Filter patents View analytics View as hierarchy
H04M15/755
Account identification
Load children Filter patents View analytics View as hierarchy
H04M15/7556
by SIM, e.g. smart card account in SCP, SDP or SN
Filter patents View analytics View as hierarchy