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lineGenerateTone failed; "The operation is not supported by the underlying service provider" #35

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chiekku opened this issue Oct 22, 2020 · 0 comments
Open

lineGenerateTone failed; "The operation is not supported by the underlying service provider" #35

chiekku opened this issue Oct 22, 2020 · 0 comments

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@chiekku
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chiekku commented Oct 22, 2020 •
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Error code is 0xFFFFFFFF80000049

This happens if I try to generate a custom tone. Is this a limitation of the modem, or a problem with how I'm using the function? I can dial a number normally when placing a call, but can't dial numbers once the call is running.

EDIT: Same for lineGenerateDigits! I need to be able to send DTMF tones during a call (e.g. "press 1 to..." continue in menus), so how am I supposed to do this?

The modem reports "InteractiveVoice | DataModem" as its capabilities. Are more capabilities needed to produce custom tones?
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@chiekku