Patent ID: 9049254
Filing Date: 2015-06-02
Classification: H04L

Abstract:
1. A control method performed by a user device, comprising: encapsulating, by the user device, a control command into a network data packet to be sent to a remote network driver interface specification (RNDIS) device, wherein the control command is configured to control the RNDIS device to dial up or disconnect a dialup; and sending, by the user device, the encapsulated network data packet to the RNDIS device; wherein the control command is an AT command, the network data packet is a UDP data packet, a format of the UDP data packet in which the AT command is encapsulated comprises an Internet header field, an Internet Protocol header field, a UDP field header field, an AT identifier field and an AT command data field, wherein: the AT identifier field is an identification filed of a user-defined control command, the AT command data field is a data field of the user-defined control command, a target media access control address in the Internet header field is a MAC address or a broadcast address of the RNDIS device, a target IP address in the Internet Protocol header field is an IP address or the broadcast address of the RNDIS device.