Patent ID: 11949721
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. One or more non-transitory computer-readable media storing instructions that, when executed, are configured to cause processors to perform operations comprising:
receiving, by a Terminal Equipment circuit (TE) of a network device from a Mobile Termination circuit (MT) of the network device, a request attention (AT) command for an incoming multimedia call from a second device acting as an endpoint for the multimedia call to be established with the TE, the request AT command specifying a plurality of types of media proposed to be used for the incoming multimedia call,
wherein the TE provides application and user interface functionality to the network device and the MT provides modem functionality for communications with other devices including the second device in a wireless communications system, and
wherein the TE is connected to the MT using a Terminal Adaptor (TA) of the network device that provides an interface for exchange of AT commands and AT command responses between the TE and the MT; and
upon receiving the request AT command, sending an AT command response to the MT, the AT command response including instructions to (i) reject at least one type of media of the plurality of types of media and (ii) indicate acceptance of at least one other type of media of the plurality of types of media specified by the request AT command to be used for the incoming multimedia call.