--- chan_zap.c.old	Mon Nov  1 23:09:13 2004
+++ chan_zap.c	Mon Nov  1 23:11:53 2004
@@ -8615,6 +8615,109 @@
 	return RESULT_FAILURE;
 }
 
+static char loopup_span_usage[] =
+        "Usage: zap span loopup <spanno>\n"
+        "Put a Zaptel E1/T1 span into loopback\n";
+
+static char loopdown_span_usage[] =
+        "Usage: zap span loopup <spanno>\n"
+        "Take a Zaptel E1/T1 span out of loopback\n";
+
+static int zap_loopup_span(int fd, int argc, char **argv) {
+
+        int spanno;
+        int ctl;
+        int res;
+        struct zt_maintinfo m;
+
+        if (argc != 5)
+                return RESULT_SHOWUSAGE;
+
+        spanno = atoi(argv[4]);
+
+        if (spanno < 1 || spanno > NUM_SPANS) {
+                ast_cli(fd, "Invalid span number %d\n", spanno);
+                return RESULT_FAILURE;
+        }
+
+        ctl = open("/dev/zap/ctl",O_RDWR);
+        if (ctl < 0) {
+                ast_cli(fd,"Failed to open /dev/zap/ctl: %s\n", strerror(errno));
+                return RESULT_FAILURE;
+        }
+
+        m.spanno = spanno;
+
+        m.command = ZT_MAINT_LOOPUP;
+
+        ast_cli(fd,"Looping up span %d\n",spanno);
+
+        res = ioctl(ctl, ZT_MAINT, &m);
+
+        close(ctl);
+
+        if (res == -1) {
+                ast_cli(fd,"Failed to place span %d into loopback\n", spanno);
+                return RESULT_FAILURE;
+        } else {
+                ast_cli(fd,"Span %d now in loopback\n", spanno);
+                return RESULT_SUCCESS;
+        }
+}
+
+static int zap_loopdown_span(int fd, int argc, char **argv) {
+
+        int spanno;
+        int ctl;
+        int res;
+        struct zt_maintinfo m;
+
+        if (argc != 5)
+                return RESULT_SHOWUSAGE;
+
+        spanno = atoi(argv[4]);
+
+        if (spanno < 1 || spanno > NUM_SPANS) {
+                ast_cli(fd, "Invalid span number %d\n", spanno);
+                return RESULT_FAILURE;
+        }
+
+        ctl = open("/dev/zap/ctl",O_RDWR);
+        if (ctl < 0) {
+                ast_cli(fd,"Failed to open /dev/zap/ctl: %s\n", strerror(errno));
+                return RESULT_FAILURE;
+        }
+
+        m.spanno = spanno;
+
+        m.command = ZT_MAINT_LOOPDOWN;
+
+        ast_cli(fd,"Looping down span %d\n",spanno);
+
+        res = ioctl(ctl, ZT_MAINT, &m);
+
+        close(ctl);
+
+        if (res == -1) {
+                ast_cli(fd,"Failed to take span %d out of loopback\n", spanno);
+                return RESULT_FAILURE;
+        } else {
+                ast_cli(fd,"Span %d now out of loopback\n", spanno);
+                return RESULT_SUCCESS;
+        }
+
+        return RESULT_SUCCESS;
+}
+
+static struct ast_cli_entry cli_loopup_span = {
+        {"zap", "loop", "up", "span", NULL}, zap_loopup_span, "Loop up a span", loo
+pup_span_usage, NULL };
+
+static struct ast_cli_entry cli_loopdown_span = {
+        {"zap", "loop", "down", "span", NULL}, zap_loopdown_span, "Loop down a span
+", loopdown_span_usage, NULL };
+
+
 static char zap_show_cadences_help[] =
 "Usage: zap show cadences\n"
 "       Shows all cadences currently defined\n";
@@ -9722,6 +9825,9 @@
 	ast_cli_register(&cli_show_channel);
 	ast_cli_register(&cli_destroy_channel);
 	ast_cli_register(&zap_show_cadences_cli);
+        ast_cli_register(&cli_loopup_span);
+        ast_cli_register(&cli_loopdown_span);
+
 
 	ast_register_application(app_callingpres, change_callingpres, synopsis_callingpres, descrip_callingpres);
 	memset(round_robin, 0, sizeof(round_robin));