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DTMF tone should be defined as ABNF #142

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marcoscaceres opened this issue Jun 18, 2013 · 3 comments

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marcoscaceres commented Jun 18, 2013

The spec should define DTMF tone as ABNF, so that it can be more easily used in various algorithms.

0-9; A-D; *; #.

Contributor Author

marcoscaceres commented Jun 27, 2013

Something like.

tone = DIGIT / menu / symbols
menu = %x41-44; A-D
symbol = "*" / "#"

Contributor

zolkis commented Aug 22, 2013

Isn't DTMF already standardized?
http://www.etsi.org/technologies-clusters/technologies/fixed-line-access/dtmf

Contributor Author

marcoscaceres commented Aug 22, 2013

Yeah, but it's more so we know how to deal with things like case handling, etc.... just make it easier to write tests for.

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