Various changes from IAXmodem's spandsp made in the last few years.#42

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redder86 wants to merge 16 commits intofreeswitch:masterfrom

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Commits on Jun 4, 2022

Accept poor fast-train training errors. This affords the DTE the opportunity to make some use of whatever valid Phase C data can be decoded. Some data is better than no data even if that data is …
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ITU-T V.250 6.3.1 defines the ATD command. It states: 'Any characters appearing in the dial string that the DCE does not recognize as a valid part of the call addressing information or as a valid m…
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Prevent multiple CONNECT messages after +FRH=3 which could have been occurring when the DTE was slow enough that spandsp would buffer messages.
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Send NO CARRIER message if hangup occurs during data transmit
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Send NO CARRIER message if hangup occurs during data transmit (2)
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Correctly address the issue attempted to be fixed by the previous commit. If a hangup occurred after the DTE sent DLE+ETX (following AT+FTM=n + CONNECT, for example) but before all of the data had…
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This CONNECT message is superfluous. If there is some delay in the DTE providing data to the DCE after +FTH=3 then this was causing CONNECT to be repeated needlessly and confusingly. The CONNECT me…
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Commits on Jun 5, 2022

These changes are a contribution from Robert Boisvert and the Alpine Linux team to address an issue that was encountered while testing with valgrind. The reported problem was that of an 'uninitiali…
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Commits on Jun 8, 2022

iaf is treated as a bitmap everywhere else in the code, not a boolean, and its function as a bitmap is necessary, rather than as a boolean.
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Commits on Jun 9, 2022

Commits on Jun 10, 2022

Commits on Jun 13, 2022

If a terminal problem occurs as a receiver in Phase B such that we'll be sending DCN we must wait until after the sender transmits TCF, otherwise the sender will not likely hear the DCN signal. Th…
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Commits on Jul 27, 2022

This adds HylaFAX+ SSL Fax client support.
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