[asterisk-bugs] [JIRA] (ASTERISK-23592) Improvements to chan_unistim

[Peter Whisker (JIRA)]

Peter Whisker created ASTERISK-23592:
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             Summary: Improvements to chan_unistim
                 Key: ASTERISK-23592
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23592
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Channels/chan_unistim
    Affects Versions: SVN
            Reporter: Peter Whisker
            Severity: Minor


I have been actively testing Unistim devices (i2002 & i2004) and have encountered issues with
1) dialtone wrong
2) inability to select DTMF playback duration
3) inability to set date to match than of a Nortel CS1000
4) mute causing playback to be muted as well as microphone

The attached patch fixes as follows:
1) The "modulation" should not be referenced for tone+tone as it refers to the on-off characteristic I believe - this often resulted in a single tone rather than the multitone as in the UK.
2) I have added the unistim.conf variable dtmf_duration which can select the DTMF playback duration from 0ms to 150ms (0 is off and is the new default)
3) I have enabled the transmission of MonthLabels (in English) which are sent with the date and changed the dateformat variable to accept the values 0-3 as per the UNISTIM standard (2 & 3 match the previous 1 & 2 formats).
4) I have enabled the "Mute" packet and merged it into the previous code. It now only mutes the microphone. (Improvements welcome)



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