(closes issue #10302)

Reported by: litnialex
If a DTMF end frame comes from a channel without a begin and it is going to a technology that only accepts end frames (aka INFO) then use the minimum DTMF duration if one is not in the frame already.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@77460 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/channel.c b/main/channel.c
index 735c82475166c2eb7310dd34d9cbaedbe7cecef9..7a5ca91dce0317e6271739c8703f4997d14698c6 100644 (file)
--- a/main/channel.c
+++ b/main/channel.c
@@ -2373,9 +2373,12 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
                                }
                        } else {
                                struct timeval now = ast_tvnow();
-                               ast_clear_flag(chan, AST_FLAG_IN_DTMF);
-                               if (!f->len)
-                                       f->len = ast_tvdiff_ms(now, chan->dtmf_tv);
+                               if (ast_test_flag(chan, AST_FLAG_IN_DTMF)) {
+                                       ast_clear_flag(chan, AST_FLAG_IN_DTMF);
+                                       if (!f->len)
+                                               f->len = ast_tvdiff_ms(now, chan->dtmf_tv);
+                               } else if (!f->len)
+                                       f->len = AST_MIN_DTMF_DURATION;
                                if (f->len < AST_MIN_DTMF_DURATION) {
                                        ast_set_flag(chan, AST_FLAG_EMULATE_DTMF);
                                        chan->emulate_dtmf_digit = f->subclass;