[asterisk-dev] [Code Review] 2725: Allow SayAlpha to announce "Uppercase <letter>" in a string

[opticron]

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Review request for Asterisk Developers.


Bugs: ASTERISK-20782
    https://issues.asterisk.org/jira/browse/ASTERISK-20782


Repository: Asterisk


Description
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I'm posting this patch for Kevin Scott Adams from issue ASTERISK-20782 (with very minor cleanup and porting to trunk).