| 摘要 |
A number portability realization method and an interconnecting and interworking gateway are provided in the present invention, said number portability realization method comprises: receiving a request message transmitted from a calling user; obtaining routing information of a called user; based on Number Portability (NP) Service Level Agreement (SLA) and the routing information of the called user, performing at least one of the following operations: performing routing for the called user, performing accounting for the calling user or the called user, and generating a settlement bill between at least two of the third party service provider, the present-network operator and the external-network operator. The invention can screen the influence imposed to application layer network and internet by NP, and realize accurate accounting, routing and charging for services. |
