| CPC H04M 1/72469 (2021.01) [H04M 1/72418 (2021.01); H04W 52/0267 (2013.01); H04W 84/06 (2013.01); H04W 84/12 (2013.01)] | 69 Claims | 

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               47. A method, comprising: 
            at a computer system that is in communication with a display generation component and one or more input devices: 
              detecting, via the one or more input devices, a user input corresponding to a request to initiate a communication via the computer system; and 
                  in response to detecting the user input, displaying, via the display generation component, a first user interface, including: 
                displaying, in the first user interface, a cancel communication option that, when selected via the one or more input devices, initiates a process to stop attempting to initiate the communication; 
                    in accordance with a determination that a terrestrial wireless communication network is not reachable by the computer system, displaying a respective selectable communication option that, when selected via the one or more input devices, initiates a process for communicating via a non-terrestrial wireless communication network; and 
                    in accordance with a determination that a respective terrestrial wireless communication network is reachable by the computer system, initiating a process for communicating, via the respective terrestrial wireless communication network, without displaying the respective selectable communication option. 
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