Phone tree not accepting keypad inputs
iPhone 8 running iOS 11
When making phone calls which are answered by an automated systems (i.e., conference call bridges, support desks, etc.), responses to prompts (i.e., "Press 1", "Press 2") by pressing the appropriate number on the keypad are not recognized by the automated system.
Issue is somewhat spurious. Some systems recognize the entry, but others do not. My current workaround is to use a Google Voice dialer for those systems.
The issue is especially challenging for my mother-in-law since she disconnected the land line and only uses her iPhone. Now she's encountering the issue when attempting to contact medical and insurance offices.
iPhone 8, iOS 11.4.1