--- /dev/null
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Options provided by main asterisk program
+ *
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#ifndef _ASTERISK_MOH_H
+#define _ASTERISK_MOH_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/*! Turn on music on hold on a given channel */
+extern int ast_moh_start(struct ast_channel *chan, char *class);
+
+/*! Turn off music on hold on a given channel */
+extern void ast_moh_stop(struct ast_channel *chan);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+
+
+#endif