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H04M2215/8191
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ELECTRICITY
H04
Electric communication
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TELEPHONIC COMMUNICATION
H04M2215/00
Metering arrangements Time controlling arrangements Time indicating arrangements
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H04M2215/8191
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Patent Application
Method for Charge Display for Sip Connections on Several Terminals
Publication number
20080194230
Publication date
Aug 14, 2008
NOKIA SIEMENS NETWORKS GMBH & CO. KG
Renate Zygan
H04 - ELECTRIC COMMUNICATION TECHNIQUE