--- asterisk-1.2.14/apps/app_page.c	2006-09-11 16:47:23.000000000 -0500
+++ asterisk-1.2.14-dev/apps/app_page.c	2006-12-23 12:38:04.000000000 -0600
@@ -41,6 +41,7 @@
 #include "asterisk/file.h"
 #include "asterisk/app.h"
 #include "asterisk/chanvars.h"
+#include "asterisk/devicestate.h"
 
 
 static const char *tdesc = "Page Multiple Phones";
@@ -56,7 +57,8 @@
 "caller is dumped into the conference as a speaker and the room is\n"
 "destroyed when the original caller leaves.  Valid options are:\n"
 "        d - full duplex audio\n"
-"	 q - quiet, do not play beep to caller\n";
+"        q - quiet, do not play beep to caller\n"
+"        s - skip channel if devicestate not equal to \"1 - Not in use\"";
 
 STANDARD_LOCAL_USER;
 
@@ -65,11 +67,13 @@
 enum {
 	PAGE_DUPLEX = (1 << 0),
 	PAGE_QUIET = (1 << 1),
+	PAGE_SKIP = (1 << 2),
 } page_opt_flags;
 
 AST_APP_OPTIONS(page_opts, {
 	AST_APP_OPTION('d', PAGE_DUPLEX),
 	AST_APP_OPTION('q', PAGE_QUIET),
+	AST_APP_OPTION('s', PAGE_SKIP),
 });
 
 struct calloutdata {
@@ -150,6 +154,8 @@
 	char *tmp;
 	int res=0;
 	char originator[AST_CHANNEL_NAME];
+	int state = 0;
+	char name[32];
 
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_WARNING, "This application requires at least one argument (destination(s) to page)\n");
@@ -181,12 +187,25 @@
 
 	snprintf(meetmeopts, sizeof(meetmeopts), "%ud|%sqxdw(5)", confid, ast_test_flag(&flags, PAGE_DUPLEX) ? "" : "m");
 
+	if(ast_test_flag(&flags, PAGE_SKIP)) {
+		ast_log(LOG_DEBUG, "Testing Channel status\n");
+	}
+
 	while ((tech = strsep(&tmp, "&"))) {
 		/* don't call the originating device */
 		if (!strcasecmp(tech, originator))
 			continue;
 
 		if ((resource = strchr(tech, '/'))) {
+			if (ast_test_flag(&flags, PAGE_SKIP)) {
+				state = ast_device_state(tech);
+				snprintf(name, sizeof(name), "%s", devstate2str(state));
+				if (state != 1) {
+					ast_log(LOG_WARNING, "Channel %s, devicestate(%d)->%s skipping channel\n", tech, state, name); 
+					continue;
+				}
+			}
+			 ast_log(LOG_DEBUG, "Channel %s, devicestate(%i)->%s, Adding to meetme\n", tech, state, name);
 			*resource++ = '\0';
 			launch_page(chan, meetmeopts, tech, resource);
 		} else {