| 摘要 |
A technology for converting a source or destination telephone number according to usage purposes of a telephone apparatus user. A number converter ( 115 ) is provided to convert the source telephone number based on the destination telephone number to which a call is made from an IP voice terminal ( 130 ) or a voice terminal ( 140 ), using information stored in a called number conversion database ( 112 ). The number converter ( 115 ) also converts the destination telephone number based on the source telephone number from which a call is made from the IP voice terminal ( 130 ) or the voice terminal ( 140 ), using information stored in a calling number conversion database ( 113 ).
|
