US Patent No. 10,433,365

CALL TERMINATION METHOD, APPLICATION PROCESSOR, AND MODEM


Patent No. 10,433,365
Issue Date October 01, 2019
Title Call Termination Method, Application Processor, And Modem
Inventorship Hui Jin, Beijing (CN)
Feng Zhang, Beijing (CN)
Songping Yao, Beijing (CN)
Assignee Huawei Technologies Co., Ltd., Shenzhen (CN)

Claim of US Patent No. 10,433,365

1. A processing method for call termination, comprising:establishing, by an mobile terminal, a call in response to receiving a call setup instruction;
transitioning, by the mobile terminal, to an out-of-service state upon entering a no service area;
receiving, by an application processor of the mobile terminal, a hang-up instruction after transitioning to the out-of-service state;
sending, by the application processor, a first message to a modem of the mobile terminal in response to receiving the hang-up instruction, wherein the first message instructs the modem to terminate the call; and
terminating, by the mobile terminal, the call prior to an expiration of a T305 timer and an expiration of a T308 timer.