Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04M
TELEPHONIC COMMUNICATION
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2215/00
Metering arrangements; Time controlling arrangements; Time indicating arrangements
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H04M2215/72
Account specifications
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H04M2215/7222
Account identification
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H04M2215/7231
by SIM, e.g. smart card account in SCP, SDP or SN
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