diff --git a/apps/app_echo.c b/apps/app_echo.c
index a8a7fd84d7bf9b0a534ed0afda2886963d1e0f3e..df5a914f191f3cd6a9f9a35ed0511c57557438c3 100644
--- a/apps/app_echo.c
+++ b/apps/app_echo.c
@@ -40,12 +40,13 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 /*** DOCUMENTATION
 	<application name="Echo" language="en_US">
 		<synopsis>
-			Echo audio, video, DTMF back to the calling party
+			Echo media, DTMF back to the calling party
 		</synopsis>
 		<syntax />
 		<description>
-			<para>Echos back any audio, video or DTMF frames read from the calling 
-			channel back to itself. Note: If '#' detected application exits</para>
+			<para>Echos back any media or DTMF frames read from the calling 
+			channel back to itself. This will not echo CONTROL, MODEM, or NULL
+			frames. Note: If '#' detected application exits.</para>
 			<para>This application does not automatically answer and should be
 			preceeded by an application such as Answer() or Progress().</para>
 		</description>
@@ -70,7 +71,10 @@ static int echo_exec(struct ast_channel *chan, const char *data)
 		}
 		f->delivery.tv_sec = 0;
 		f->delivery.tv_usec = 0;
-		if (ast_write(chan, f)) {
+		if (f->frametype != AST_FRAME_CONTROL
+			&& f->frametype != AST_FRAME_MODEM
+			&& f->frametype != AST_FRAME_NULL
+			&& ast_write(chan, f)) {
 			ast_frfree(f);
 			goto end;
 		}