[asterisk-users] DTMF end '1' has duration 57 but want minimum 80 , emulating on ?IAX2/a16-q1-9657

Tilghman Lesher tlesher at digium.com
Sun Sep 20 23:46:36 CDT 2009


On Sunday 20 September 2009 22:32:41 Tzafrir Cohen wrote:
> Isn't 40ms the minimal time for a valid dtmf digit?

$ grep -C1 'define AST_MIN_DTMF_DURATION' main/channel.c
/*! Minimum allowed digit length - 80ms */
#define AST_MIN_DTMF_DURATION 80

This post, from the archives, is instructive and germane to the code in
question:
http://lists.digium.com/pipermail/asterisk-dev/2007-April/027271.html

-- 
Tilghman Lesher
Digium, Inc. | Senior Software Developer
twitter: Corydon76 | IRC: Corydon76-dig (Freenode)
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