Access method and system, user equipment, and network side device

A system of chipset for a mobile device, configured to execute computer-executable instructions to assist the mobile device to perform operations comprising:

• receiving a first message that carries an identifier of a second network access point, wherein the second network access point can perform air interface offloading with a first network in which the mobile device is currently located;
• and
• when the first message carries identifiers of a plurality of second network access points, selecting, by the mobile device, one second network access point from the plurality of second network access points according to a first auxiliary information, and accessing the selected second network access point.

A non-transitory computer-readable storage medium including computer-executable instructions for a mobile device, when the computer-executable instructions executed, assisting the mobile device to perform operations comprising:

• receiving a first message that carries an identifier of a second network access point, wherein the second network access point can perform air interface offloading with a first network in which the mobile device is currently located;
• and
• when the first message carries identifiers of a plurality of second network access points, selecting, by the mobile device, one second network access point from the plurality of second network access points according to a first auxiliary information, and accessing the selected second network access point.