1 files changed, 18 insertions, 0 deletions
diff --git a/src/mm-modem-helpers.c b/src/mm-modem-helpers.c
index 926b1997..d69951be 100644
--- a/src/mm-modem-helpers.c
+++ b/src/mm-modem-helpers.c
@@ -483,6 +483,24 @@ mm_at_quote_string (const gchar *input)
 /*****************************************************************************/
 
 GRegex *
+mm_call_end_regex_get (void)
+{
+    /* Example:
+     * <CR><LF>NO ANSWER<CR><LF>
+     * <LF>NO CARRIER<CR><LF>
+     * <CR><LF>BUSY<CR><LF>
+     *
+     * Some Sierra devices omit the leading <CR> for in-call responses.
+     */
+    return g_regex_new ("(\\r)?\\n(NO CARRIER)|(BUSY)|(NO ANSWER)|(NO DIALTONE)\\r\\n",
+                        G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW | G_REGEX_OPTIMIZE,
+                        0,
+                        NULL);
+}
+
+/*****************************************************************************/
+
+GRegex *
 mm_voice_ring_regex_get (void)
 {
     /* Example: