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-rw-r--r--apps/app_waitforsilence.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/apps/app_waitforsilence.c b/apps/app_waitforsilence.c
index 1aa777575..f68b70ad3 100644
--- a/apps/app_waitforsilence.c
+++ b/apps/app_waitforsilence.c
@@ -210,7 +210,9 @@ static int waitfor_exec(struct ast_channel *chan, void *data, int wait_for_silen
int iterations = 1, i;
time_t waitstart;
- res = ast_answer(chan); /* Answer the channel */
+ if (chan->_state != AST_STATE_UP) {
+ res = ast_answer(chan); /* Answer the channel */
+ }
if (!data || ( (sscanf(data, "%d,%d,%d", &timereqd, &iterations, &timeout) != 3) &&
(sscanf(data, "%d,%d", &timereqd, &iterations) != 2) &&