Add Duration header for PlayDTMF AMI Action

This patch adds an optional header to the PlayDTMF AMI action, Duration.
It allows the duration of the DTMF digit to be played on the channel to be
specified in milliseconds.

(closes issue ASTERISK-18172)
Reported by: Renato dos Santos

patches:
  send-dtmf.patch uploaded by Renato dos Santos (license #6267)

Modified slightly for this commit for Asterisk 12.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@373979 65c4cc65-6c06-0410-ace0-fbb531ad65f3

2 files changed, 15 insertions, 1 deletions

diff --git a/CHANGES b/CHANGES
index 83728500e..344f28f23 100644
--- a/CHANGES
+++ b/CHANGES
@@ -17,6 +17,9 @@ AMI (Asterisk Manager Interface)
    that the request is against a known peer. It also issues a new event,
    'SIPqualifypeerdone', once the qualify action has been completed.
 
+ * The PlayDTMF action now supports an optional 'Duration' parameter.  This
+   specifies the duration of the digit to be played, in milliseconds.
+
  * Added VoicemailRefresh action to allow an external entity to trigger mailbox
    updates when changes occur instead of requiring the use of pollmailboxes.
 
diff --git a/apps/app_senddtmf.c b/apps/app_senddtmf.c
index e1e8ee92f..7db9a3f4b 100644
--- a/apps/app_senddtmf.c
+++ b/apps/app_senddtmf.c
@@ -79,6 +79,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 			<parameter name="Digit" required="true">
 				<para>The DTMF digit to play.</para>
 			</parameter>
+			<parameter name="Duration" required="false">
+				<para>The duration, in milliseconds, of the digit to be played.</para>
+			</parameter>
 		</syntax>
 		<description>
 			<para>Plays a dtmf digit on the specified channel.</para>
@@ -145,7 +148,9 @@ static int manager_play_dtmf(struct mansession *s, const struct message *m)
 {
 	const char *channel = astman_get_header(m, "Channel");
 	const char *digit = astman_get_header(m, "Digit");
+	const char *duration = astman_get_header(m, "Duration");
 	struct ast_channel *chan;
+	unsigned int duration_ms = 0;
 
 	if (!(chan = ast_channel_get_by_name(channel))) {
 		astman_send_error(s, m, "Channel not found");
@@ -157,8 +162,14 @@ static int manager_play_dtmf(struct mansession *s, const struct message *m)
 		chan = ast_channel_unref(chan);
 		return 0;
 	}
+	
+	if (!ast_strlen_zero(duration) && (sscanf(duration, "%30u", &duration_ms) != 1)) {
+		astman_send_error(s, m, "Could not convert Duration parameter");
+		chan = ast_channel_unref(chan);
+		return 0;
+	}
 
-	ast_senddigit(chan, *digit, 0);
+	ast_senddigit(chan, *digit, duration_ms);
 
 	chan = ast_channel_unref(chan);