摘要 |
Embodiments of the present invention provide a method, an apparatus, and a system for associating sessions, which relate to the communications technology field, and are used to solve the problem where policy control sessions cannot be correctly associated when an access network is connected to a core network through a secure gateway ePDG The method for associating sessions in an embodiment of the present invention includes: receiving a first policy control session establishment request or a first policy control session modification request that carries a local address of a user equipment; and associating the first policy control session and a second policy control session corresponding to the first policy control session according to the local address of the user equipment; where, the local address is allocated by a non-3GPP access network. |