If the tone differs from what you have set, then there must be some coding in the USSD that does this? I.E. tone = system default
Or the ability to configure tone must be absent in the software and the phone sets it to some perceived default....
Few USSD codes operate on my carrier (Cricket), those that do actually give me no tone and those that fail give me the tone I have set for SMS notification.
Oddly, if I set a tone (Windows Message) for my SMS and then text myself I get a different tone (default) than I would get if a 3rd party sent me a text.
So maybe it is better to say that the USSD goes to Default if there is no other instruction? And our software lacks the ability to instruct what tone USSD should use...
07-17-2016 12:49 PM