Patent ID: 8160083

Claim:
A method for implementing a bearer path, comprising: reporting, by a Media Gateway (MG), a Path Request (PR) event to a Media Gateway Controller (MGC) according to a received path request message related to the bearer path; and receiving, by the MG, an indication information sent by the MGC according to the PR event, where the indication information is used to instruct the MG to process the bear path; wherein the PR event carries at least one of media information and path information, and the at least one of media information and path information are described through at least one of the following information elements: Sender Template (ST), configured to carry identifier information of a data sender; Sender Traffic Specification (STS), configured to carry traffic feature information of data streams sent by a data sender; Default General Parameters Fragment (DGPF), configured to carry information about general resources on the bearer path, wherein the information is collected through the path request message; Guaranteed Service Fragment (GSF), configured to carry information about resources that support a guaranteed service on the bearer path, wherein the information is collected through the path request message; Controlled-Load Service Fragment (CLSF), configured to carry information about resources that support a controlled-load service on the bearer path, wherein the information is collected through the path request message; Session ID (SID), configured to carry session information; RSVP Hop (RH), configured to carry information about an address of a data sender that sends the path request message on the bearer path; Time Value (TV), configured to carry a period of refreshing the path request message; Policy Data (PD), configured to carry session policy information; Integrity Information (IINFOR), configured to carry encryption data for verifying integrity of the path request message; address information, configured to carry information about a destination address and a source address of the path request message received by the MG; and User Datagram Protocol (UDP) Encapsulation Indication (UDPEI), configured to indicate whether to encapsulate the path request message received by the MG through UDP.