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-rw-r--r--main/channel.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/main/channel.c b/main/channel.c
index cac9beb63..53f48c8a4 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -2166,9 +2166,16 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
}
break;
case AST_FRAME_NULL:
+ /* The EMULATE_DTMF flag must be cleared here as opposed to when the duration
+ * is reached , because we want to make sure we pass at least one
+ * voice frame through before starting the next digit, to ensure a gap
+ * between DTMF digits. */
if (ast_test_flag(chan, AST_FLAG_EMULATE_DTMF)) {
struct timeval now = ast_tvnow();
- if (ast_tvdiff_ms(now, chan->dtmf_tv) >= chan->emulate_dtmf_duration) {
+ if (!chan->emulate_dtmf_duration) {
+ ast_clear_flag(chan, AST_FLAG_EMULATE_DTMF);
+ chan->emulate_dtmf_digit = 0;
+ } else if (ast_tvdiff_ms(now, chan->dtmf_tv) >= chan->emulate_dtmf_duration) {
chan->emulate_dtmf_duration = 0;
ast_frfree(f);
f = &chan->dtmff;