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

Claim 8:
9. A customized alerting tone server, 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:
receiving a call request sent by a calling terminal, and sending the call request to a called terminal;
receiving a called terminal ringing message, and providing a customized alerting tone audio stream and a customized alerting tone video stream to the calling terminal;
receiving a called terminal message indicating that a called user answers a call, and performing call media resource negotiation and customized alerting tone video resource negotiation with the calling terminal; and
stop providing the customized alerting tone audio stream to the calling terminal, and providing the customized alerting tone video stream to the calling terminal.