Index: apps/app_festival.c
===================================================================
--- apps/app_festival.c	(revision 8016)
+++ apps/app_festival.c	(working copy)
@@ -86,7 +86,10 @@
     char c;
 
     bufflen = 1024;
-    buff = (char *)malloc(bufflen);
+    if (!(buff = ast_malloc(bufflen)))
+    {
+        /* TODO: Handle memory allocation failure */
+    }
     *size=0;
 
     for (k=0; file_stuff_key[k] != '\0';)
@@ -96,7 +99,10 @@
         if ((*size)+k+1 >= bufflen)
         {   /* +1 so you can add a NULL if you want */
             bufflen += bufflen/4;
-            buff = (char *)realloc(buff,bufflen);
+            if (!(buff = ast_realloc(buff, bufflen)))
+            {
+                /* TODO: Handle memory allocation failure */
+            }
         }
         if (file_stuff_key[k] == c)
             k++;
Index: apps/app_mixmonitor.c
===================================================================
--- apps/app_mixmonitor.c	(revision 8016)
+++ apps/app_mixmonitor.c	(working copy)
@@ -53,6 +53,7 @@
 #include "asterisk/options.h"
 #include "asterisk/app.h"
 #include "asterisk/linkedlists.h"
+#include "asterisk/utils.h"
 
 #define get_volfactor(x) x ? ((x > 0) ? (1 << x) : ((1 << abs(x)) * -1)) : 0
 
@@ -292,8 +293,7 @@
 	if (!ast_strlen_zero(post_process))
 		len += strlen(post_process) + 1;
 
-	if (!(mixmonitor = calloc(1, len))) {
-		ast_log(LOG_ERROR, "Memory Error!\n");
+	if (!(mixmonitor = ast_calloc(1, len))) {
 		return;
 	}
 
Index: apps/app_milliwatt.c
===================================================================
--- apps/app_milliwatt.c	(revision 8016)
+++ apps/app_milliwatt.c	(working copy)
@@ -41,6 +41,7 @@
 #include "asterisk/channel.h"
 #include "asterisk/pbx.h"
 #include "asterisk/module.h"
+#include "asterisk/utils.h"
 
 static char *tdesc = "Digital Milliwatt (mu-law) Test Application";
 
@@ -59,11 +60,7 @@
 
 static void *milliwatt_alloc(struct ast_channel *chan, void *params)
 {
-int	*indexp;
-	indexp = ast_malloc(sizeof(*indexp));
-	if (indexp == NULL) return(NULL);
-	*indexp = 0;
-	return(indexp);
+	return ast_calloc(1, sizeof(int));
 }
 
 static void milliwatt_release(struct ast_channel *chan, void *data)
Index: apps/app_parkandannounce.c
===================================================================
--- apps/app_parkandannounce.c	(revision 8016)
+++ apps/app_parkandannounce.c	(working copy)
@@ -49,6 +49,7 @@
 #include "asterisk/logger.h"
 #include "asterisk/say.h"
 #include "asterisk/lock.h"
+#include "asterisk/utils.h"
 
 static char *tdesc = "Call Parking and Announce Application";
 
@@ -94,10 +95,8 @@
   
 	LOCAL_USER_ADD(u);
 
-	l=strlen(data)+2;
-	orig_s=malloc(l);
-	if(!orig_s) {
-		ast_log(LOG_WARNING, "Out of memory\n");
+	l=strlen(data)+2;	
+	if (!(orig_s = ast_malloc(l))) {
 		LOCAL_USER_REMOVE(u);
 		return -1;
 	}
Index: apps/app_meetme.c
===================================================================
--- apps/app_meetme.c	(revision 8016)
+++ apps/app_meetme.c	(working copy)
@@ -474,8 +474,7 @@
 
 	if (!cnf && (make || dynamic)) {
 		/* Make a new one */
-		cnf = calloc(1, sizeof(*cnf));
-		if (cnf) {
+		if ((cnf = ast_calloc(1, sizeof(*cnf)))) {
 			ast_mutex_init(&cnf->playlock);
 			ast_mutex_init(&cnf->listenlock);
 			ast_copy_string(cnf->confno, confno, sizeof(cnf->confno));
@@ -535,8 +534,7 @@
 				ast_verbose(VERBOSE_PREFIX_3 "Created MeetMe conference %d for conference '%s'\n", cnf->zapconf, cnf->confno);
 			cnf->next = confs;
 			confs = cnf;
-		} else	
-			ast_log(LOG_WARNING, "Out of memory\n");
+		} 
 	}
  cnfout:
 	ast_mutex_unlock(&conflock);
@@ -851,7 +849,7 @@
 
 static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int confflags)
 {
-	struct ast_conf_user *user = calloc(1, sizeof(*user));
+	struct ast_conf_user *user = NULL;
 	struct ast_conf_user *usr = NULL;
 	int fd;
 	struct zt_confinfo ztc, ztc_empty;
@@ -887,9 +885,8 @@
 	ZT_BUFFERINFO bi;
 	char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
 	char *buf = __buf + AST_FRIENDLY_OFFSET;
-	
-	if (!user) {
-		ast_log(LOG_ERROR, "Out of memory\n");
+
+	if (!(user = ast_calloc(1, sizeof(*user)))) {
 		return ret;
 	}
 
Index: apps/app_page.c
===================================================================
--- apps/app_page.c	(revision 8016)
+++ apps/app_page.c	(working copy)
@@ -43,8 +43,8 @@
 #include "asterisk/file.h"
 #include "asterisk/app.h"
 #include "asterisk/chanvars.h"
+#include "asterisk/utils.h"
 
-
 static const char *tdesc = "Page Multiple Phones";
 
 static const char *app_page= "Page";
@@ -100,8 +100,7 @@
 	struct ast_var_t *varptr;
 	pthread_t t;
 	pthread_attr_t attr;
-	cd = ast_calloc(1, sizeof(*cd));
-	if (cd) {
+	if ((cd = ast_calloc(1, sizeof(*cd)))) {
 		ast_copy_string(cd->cidnum, chan->cid.cid_num ? chan->cid.cid_num : "", sizeof(cd->cidnum));
 		ast_copy_string(cd->cidname, chan->cid.cid_name ? chan->cid.cid_name : "", sizeof(cd->cidname));
 		ast_copy_string(cd->tech, tech, sizeof(cd->tech));