Patent ID: 11924372
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A terminal device, comprising:
at least one processor; and
a non-transitory computer-readable storage medium coupled to the at least one processor and storing one or more instructions, when executed by the at least one processor, cause the data transmission apparatus to perform operations comprising:
sending a call request;
receiving a called terminal ringing message sent by a customized alerting tone server, and a customized alerting tone audio stream and a customized alerting tone video stream that are played by the customized alerting tone server;
receiving a called terminal message indicating that a called user answers a call and sent by the customized alerting tone server, and performing call media resource negotiation and customized alerting tone video resource negotiation with the customized alerting tone server; and
performing an audio call with a called terminal, and receiving the customized alerting tone video stream provided by the customized alerting tone server.