Patent ID: 7649850

Claim:
A method for obtaining a convergence ratio, wherein uplink ports of an access/convergence device in an access network are classified into different trunks according to their types, the method comprising: determining, by an apparatus, whether the access network is a narrowband access network; if the access network is a narrowband access network, obtaining, by the apparatus, the service convergence ratio of a trunk according to the number of available slots provided by the trunk for instant services and the number of instant service subscribers supported by the trunk; if the access network is not a narrowband access network, determining, by the apparatus, whether the trunk includes a sub-trunk; if the trunk does not include a sub-trunk, obtaining, by the apparatus, the service convergence ratio of the trunk according to the trunk bandwidth of the trunk and the service bandwidth; and if the trunk includes a sub-trunk, obtaining, by the apparatus, the service convergence ratio of the trunk according to the trunk bandwidth of the trunk, the service bandwidth of supported subscribers and the sub-trunk service bandwidth.