Patent ID: 9420438
Filing Date: 2016-08-16
CPC Classification: H04W

Claim Text:
1. A method for feeding back the state of a receiving end, the method comprising: a server activating a function of feeding back the state of the receiving end for a first terminal, and defining an information element, TP-SRTR, to identify whether an information sent by the first terminal to a service center enables the function of feeding back the state of the receiving end or not in SM-SUBMIT information elements, where said TP-SRTR information element is contained in a short message sent by the first terminal to a service center; and after said server receives the short message sent by the first terminal for which the function of feeding back the state of the receiving end has been activated, the server sending the short message to the receiving end, if a short message sent by the receiving end to the first terminal is not received within a present time period since the server receives the short message sent by the first terminal, the server acquiring the current state of the receiving end, which is suspended, powered off, or not registered, and feeding the current state back to said first terminal.