Inventor
JANHONEN RISTO
FI3 patents
Patents
3 patentsUS6345181B1Feb 5, 2002
Charging criteria for a call in a cellular mobile network
NOKIA TELECOMMUNICATIONS OY28 citations89
US6115600ASep 5, 2000
Method for improving charging criteria in a mobile telephone network
NOKIA TELECOMMUNICATIONS OY32 citations89
US6023618AFeb 8, 2000
Method for improving charging criteria in a mobile telephone network
NOKIA TELECOMMUNICATIONS OY37 citations89