diff --git a/apps/Makefile b/apps/Makefile
index 50179fed00b0deea4492f960b6b819137607ac58..dd63ffbdd7dc5bba37e468ed65d0b1b2a54eb704 100755
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -34,7 +34,7 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_intercom.
      app_setcidname.so app_lookupcidname.so app_substring.so app_macro.so \
      app_authenticate.so app_softhangup.so app_lookupblacklist.so \
      app_waitforring.so app_privacy.so app_db.so app_chanisavail.so \
-     app_enumlookup.so app_voicemail2.so app_transfer.so
+     app_enumlookup.so app_voicemail2.so app_transfer.so app_setcidnum.so
 
 #APPS+=app_sql_postgres.so
 #APPS+=app_sql_odbc.so
diff --git a/apps/app_setcidnum.c b/apps/app_setcidnum.c
new file mode 100755
index 0000000000000000000000000000000000000000..97eb9bba1527d84c5f975336042cd58e10577d60
--- /dev/null
+++ b/apps/app_setcidnum.c
@@ -0,0 +1,108 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * App to set callerid
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ * Oliver Daudey <traveler@xs4all.nl>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+ 
+#include <asterisk/lock.h>
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/translate.h>
+#include <asterisk/image.h>
+#include <asterisk/callerid.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+static char *tdesc = "Set CallerID Number";
+
+static char *app = "SetCIDNum";
+
+static char *synopsis = "Set CallerID Number";
+
+static char *descrip = 
+"  SetCIDNum(cnum[|a]): Set Caller*ID Number on a call to a new\n"
+"value, while preserving the original Caller*ID name.  This is\n"
+"useful for providing additional information to the called\n"
+"party. Sets ANI as well if a flag is used.  Always returns 0\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int setcallerid_exec(struct ast_channel *chan, void *data)
+{
+	int res = 0;
+	char tmp[256] = "";
+	char oldcid[256] = "", *l, *n;
+	char newcid[256] = "";
+	struct localuser *u;
+	char *opt;
+	int anitoo = 0;
+	if (data)
+		strncpy(tmp, (char *)data, sizeof(tmp) - 1);
+	opt = strchr(tmp, '|');
+	if (opt) {
+		*opt = '\0';
+		opt++;
+		if (*opt == 'a')
+			anitoo = 1;
+	}
+	LOCAL_USER_ADD(u);
+	if (chan->callerid) {
+		strncpy(oldcid, chan->callerid, sizeof(oldcid) - 1);
+		ast_callerid_parse(oldcid, &n, &l);
+		l = tmp;
+		if (strlen(l)) {
+			if (n && strlen(n))
+				snprintf(newcid, sizeof(newcid), "\"%s\" <%s>", n, l);
+			else
+				strncpy(newcid, tmp, sizeof(newcid) - 1);
+		} else if (n && strlen(n)) {
+			strncpy(newcid, n, sizeof(newcid) - 1);
+		}
+	} else
+		strncpy(newcid, tmp, sizeof(newcid));
+	ast_set_callerid(chan, strlen(newcid) ? newcid : NULL, anitoo);
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app, setcallerid_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}