摘要 |
The present invention relates to a method and apparatus for processing a number portability call and a request for number portability in a VoIP, wherein a VoIP network access to a L-NPDB of each communication carrier to process the number portability call. Especially, to process a number portability call and request for number portability between various types of communication network such as VoIP networks, wired phone network, and mobile network, the apparatus includes an mobile number portability management system comprised of computer systems such as an NPDB, DB system where a VoIP carrier accesses, a router, an NPMS, and the like, a computer system of a VoIP network which can access and search the NPDB to process a phone call in VoIP network or can performs a relay-access of the phone call, and a switch board.
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申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;JEONG, YOUNG SIC;PARK, CHANG MIN;JEON, HONG SEOK |
发明人 |
JEONG, YOUNG SIC;PARK, CHANG MIN;JEON, HONG SEOK |