diff --git a/apps/app_queue.c b/apps/app_queue.c
index 9397e64c256b97cf6b93c4eed0ab4a1bcf6f4598..1b84da1eaeecc4fa7ef30374d8684414000820b0 100644
--- a/apps/app_queue.c
+++ b/apps/app_queue.c
@@ -3724,7 +3724,8 @@ static int valid_exit(struct queue_ent *qe, char digit)
 
 static int say_position(struct queue_ent *qe, int ringing)
 {
-	int res = 0, avgholdmins, avgholdsecs, announceposition = 0;
+	int res = 0, announceposition = 0;
+	long avgholdmins, avgholdsecs;
 	int say_thanks = 1;
 	time_t now;
 
@@ -3798,23 +3799,23 @@ static int say_position(struct queue_ent *qe, int ringing)
 		}
 	}
 	/* Round hold time to nearest minute */
-	avgholdmins = abs(((qe->parent->holdtime + 30) - (now - qe->start)) / 60);
+	avgholdmins = labs(((qe->parent->holdtime + 30) - (now - qe->start)) / 60);
 
 	/* If they have specified a rounding then round the seconds as well */
 	if (qe->parent->roundingseconds) {
-		avgholdsecs = (abs(((qe->parent->holdtime + 30) - (now - qe->start))) - 60 * avgholdmins) / qe->parent->roundingseconds;
+		avgholdsecs = (labs(((qe->parent->holdtime + 30) - (now - qe->start))) - 60 * avgholdmins) / qe->parent->roundingseconds;
 		avgholdsecs *= qe->parent->roundingseconds;
 	} else {
 		avgholdsecs = 0;
 	}
 
-	ast_verb(3, "Hold time for %s is %d minute(s) %d seconds\n", qe->parent->name, avgholdmins, avgholdsecs);
+	ast_verb(3, "Hold time for %s is %ld minute(s) %ld seconds\n", qe->parent->name, avgholdmins, avgholdsecs);
 
 	/* If the hold time is >1 min, if it's enabled, and if it's not
 	   supposed to be only once and we have already said it, say it */
-    if ((avgholdmins+avgholdsecs) > 0 && qe->parent->announceholdtime &&
-        ((qe->parent->announceholdtime == ANNOUNCEHOLDTIME_ONCE && !qe->last_pos) ||
-        !(qe->parent->announceholdtime == ANNOUNCEHOLDTIME_ONCE))) {
+	if ((avgholdmins+avgholdsecs) > 0 && qe->parent->announceholdtime &&
+		((qe->parent->announceholdtime == ANNOUNCEHOLDTIME_ONCE && !qe->last_pos) ||
+		!(qe->parent->announceholdtime == ANNOUNCEHOLDTIME_ONCE))) {
 		res = play_file(qe->chan, qe->parent->sound_holdtime);
 		if (res) {
 			goto playout;
@@ -6618,11 +6619,11 @@ static int try_calling(struct queue_ent *qe, struct ast_flags opts, char **opt_a
 				}
 				if (!res2 && qe->parent->reportholdtime) {
 					if (!play_file(peer, qe->parent->sound_reporthold)) {
-						int holdtime, holdtimesecs;
+						long holdtime, holdtimesecs;
 
 						time(&now);
-						holdtime = abs((now - qe->start) / 60);
-						holdtimesecs = abs((now - qe->start) % 60);
+						holdtime = labs((now - qe->start) / 60);
+						holdtimesecs = labs((now - qe->start) % 60);
 						if (holdtime > 0) {
 							ast_say_number(peer, holdtime, AST_DIGIT_ANY, ast_channel_language(peer), NULL);
 							if (play_file(peer, qe->parent->sound_minutes) < 0) {
diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 702a76327860e454ac3f51e4b2476484c01d9ad4..ff45b83fca40877cb82c39f0b146c3de466d3bbf 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -5986,7 +5986,7 @@ static unsigned int calc_txpeerstamp(struct iax2_trunk_peer *tpeer, int sampms,
 	ms = ast_tvdiff_ms(*now, tpeer->txtrunktime);
 	/* Predict from last value */
 	pred = tpeer->lastsent + sampms;
-	if (abs(ms - pred) < MAX_TIMESTAMP_SKEW)
+	if (labs(ms - pred) < MAX_TIMESTAMP_SKEW)
 		ms = pred;
 
 	/* We never send the same timestamp twice, so fudge a little if we must */
@@ -6059,7 +6059,8 @@ static unsigned int calc_timestamp(struct chan_iax2_pvt *p, unsigned int ts, str
 			ms = 0;
 		if (voice) {
 			/* On a voice frame, use predicted values if appropriate */
-			if (p->notsilenttx && abs(ms - p->nextpred) <= MAX_TIMESTAMP_SKEW) {
+			adjust = (ms - p->nextpred);
+			if (p->notsilenttx && abs(adjust) <= MAX_TIMESTAMP_SKEW) {
 				/* Adjust our txcore, keeping voice and non-voice synchronized */
 				/* AN EXPLANATION:
 				   When we send voice, we usually send "calculated" timestamps worked out
@@ -6078,7 +6079,6 @@ static unsigned int calc_timestamp(struct chan_iax2_pvt *p, unsigned int ts, str
 				   changing at all.  But if a consistent different starts to develop it
 				   will be eliminated over the course of 10 frames (200-300msecs)
 				*/
-				adjust = (ms - p->nextpred);
 				if (adjust < 0)
 					p->offset = ast_tvsub(p->offset, ast_samp2tv(abs(adjust), 10000));
 				else if (adjust > 0)
@@ -6100,9 +6100,9 @@ static unsigned int calc_timestamp(struct chan_iax2_pvt *p, unsigned int ts, str
 				* silent periods are multiples of
 				* frame size too) */
 
-				if (iaxdebug && abs(ms - p->nextpred) > MAX_TIMESTAMP_SKEW )
+				if (iaxdebug && abs(adjust) > MAX_TIMESTAMP_SKEW )
 					ast_debug(1, "predicted timestamp skew (%d) > max (%d), using real ts instead.\n",
-						abs(ms - p->nextpred), MAX_TIMESTAMP_SKEW);
+						abs(adjust), MAX_TIMESTAMP_SKEW);
 
 				if (f->samples >= rate) /* check to make sure we don't core dump */
 				{
@@ -6128,11 +6128,12 @@ static unsigned int calc_timestamp(struct chan_iax2_pvt *p, unsigned int ts, str
 		} else {
 			/* On a dataframe, use last value + 3 (to accomodate jitter buffer shrinking) if appropriate unless
 			   it's a genuine frame */
+			adjust = (ms - p->lastsent);
 			if (genuine) {
 				/* genuine (IAX LAGRQ etc) must keep their clock-based stamps */
 				if (ms <= p->lastsent)
 					ms = p->lastsent + 3;
-			} else if (abs(ms - p->lastsent) <= MAX_TIMESTAMP_SKEW) {
+			} else if (abs(adjust) <= MAX_TIMESTAMP_SKEW) {
 				/* non-genuine frames (!?) (DTMF, CONTROL) should be pulled into the predicted stream stamps */
 				ms = p->lastsent + 3;
 			}
diff --git a/channels/sip/dialplan_functions.c b/channels/sip/dialplan_functions.c
index 03441aa72eb7ae276c16ef1d6d1074f88f30f640..1793ee61a260653b842006345e729e7916e971df 100644
--- a/channels/sip/dialplan_functions.c
+++ b/channels/sip/dialplan_functions.c
@@ -386,7 +386,7 @@ AST_TEST_DEFINE(test_sip_rtpqos_1)
 			for (j = 1.0; j < 10.0; j += 0.3) {
 				*lookup[i].d8 = j;
 				ast_str_substitute_variables(&buffer, 0, chan, ast_str_buffer(varstr));
-				if (sscanf(ast_str_buffer(buffer), "%lf", &cmpdbl) != 1 || fabs(j - cmpdbl > .05)) {
+				if (sscanf(ast_str_buffer(buffer), "%lf", &cmpdbl) != 1 || abs(j - cmpdbl > .05)) {
 					res = AST_TEST_FAIL;
 					ast_test_status_update(test, "%s != %f != %s\n", ast_str_buffer(varstr), j, ast_str_buffer(buffer));
 					break;
diff --git a/main/jitterbuf.c b/main/jitterbuf.c
index 4add56892c2bbf258dd015b04e08001574882137..1bfe508dac80fc5ddf772055d4ea1a2147b4afe9 100644
--- a/main/jitterbuf.c
+++ b/main/jitterbuf.c
@@ -139,7 +139,7 @@ static int check_resync(jitterbuf *jb, long ts, long now, long ms, const enum jb
 
 	/* check for drastic change in delay */
 	if (jb->info.conf.resync_threshold != -1) {
-		if (abs(*delay - jb->info.last_delay) > threshold) {
+		if (labs(*delay - jb->info.last_delay) > threshold) {
 			jb->info.cnt_delay_discont++;
 			/* resync the jitterbuffer on 3 consecutive discontinuities,
 			 * or immediately if a control frame */
diff --git a/res/res_calendar.c b/res/res_calendar.c
index 980e14125aec8297f1c968c5fa52c1d606a12d64..5b911ca5b747ccfd227671be4f3155beee0b7644 100644
--- a/res/res_calendar.c
+++ b/res/res_calendar.c
@@ -1106,8 +1106,8 @@ static struct ast_custom_function calendar_busy_function = {
 static int add_event_to_list(struct eventlist *events, struct ast_calendar_event *event, time_t start, time_t end)
 {
 	struct evententry *entry, *iter;
-	int event_startdiff = abs(start - event->start);
-	int event_enddiff = abs(end - event->end);
+	long event_startdiff = labs(start - event->start);
+	long event_enddiff = labs(end - event->end);
 	int i = 0;
 
 	if (!(entry = ast_calloc(1, sizeof(*entry)))) {
@@ -1120,16 +1120,16 @@ static int add_event_to_list(struct eventlist *events, struct ast_calendar_event
 
 	if (start == end) {
 		AST_LIST_TRAVERSE_SAFE_BEGIN(events, iter, list) {
-			int startdiff = abs(iter->event->start - start);
+			long startdiff = labs(iter->event->start - start);
 
-			ast_debug(10, "Comparing %s with startdiff %d to %s with startdiff %d\n", event->summary, event_startdiff, iter->event->summary, startdiff);
+			ast_debug(10, "Comparing %s with startdiff %ld to %s with startdiff %ld\n", event->summary, event_startdiff, iter->event->summary, startdiff);
 			++i;
 			if (startdiff > event_startdiff) {
 				AST_LIST_INSERT_BEFORE_CURRENT(entry, list);
 				return i;
 			}
 			if (startdiff == event_startdiff) {
-				int enddiff = abs(iter->event->end - end);
+				long enddiff = labs(iter->event->end - end);
 
 				if (enddiff > event_enddiff) {
 					AST_LIST_INSERT_BEFORE_CURRENT(entry, list);
diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index c3f258c9eb560ce3f90935e17f3eb90e003df071..4ab7626cd80441c07178973ec29f37472771a83d 100644
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -3147,10 +3147,10 @@ static int ast_rtp_raw_write(struct ast_rtp_instance *instance, struct ast_frame
 		if (ast_tvzero(frame->delivery)) {
 			/* If this isn't an absolute delivery time, Check if it is close to our prediction,
 			   and if so, go with our prediction */
-			if (abs(rtp->lastts - pred) < MAX_TIMESTAMP_SKEW) {
+			if (abs((int)rtp->lastts - pred) < MAX_TIMESTAMP_SKEW) {
 				rtp->lastts = pred;
 			} else {
-				ast_debug(3, "Difference is %d, ms is %u\n", abs(rtp->lastts - pred), ms);
+				ast_debug(3, "Difference is %d, ms is %u\n", abs((int)rtp->lastts - pred), ms);
 				mark = 1;
 			}
 		}
@@ -3161,11 +3161,11 @@ static int ast_rtp_raw_write(struct ast_rtp_instance *instance, struct ast_frame
 		rtp->lastts = rtp->lastts + ms * 90;
 		/* If it's close to our prediction, go for it */
 		if (ast_tvzero(frame->delivery)) {
-			if (abs(rtp->lastts - pred) < 7200) {
+			if (abs((int)rtp->lastts - pred) < 7200) {
 				rtp->lastts = pred;
 				rtp->lastovidtimestamp += frame->samples;
 			} else {
-				ast_debug(3, "Difference is %d, ms is %u (%u), pred/ts/samples %u/%d/%d\n", abs(rtp->lastts - pred), ms, ms * 90, rtp->lastts, pred, frame->samples);
+				ast_debug(3, "Difference is %d, ms is %u (%u), pred/ts/samples %u/%d/%d\n", abs((int)rtp->lastts - pred), ms, ms * 90, rtp->lastts, pred, frame->samples);
 				rtp->lastovidtimestamp = rtp->lastts;
 			}
 		}
@@ -3175,11 +3175,11 @@ static int ast_rtp_raw_write(struct ast_rtp_instance *instance, struct ast_frame
 		rtp->lastts = rtp->lastts + ms;
 		/* If it's close to our prediction, go for it */
 		if (ast_tvzero(frame->delivery)) {
-			if (abs(rtp->lastts - pred) < 7200) {
+			if (abs((int)rtp->lastts - pred) < 7200) {
 				rtp->lastts = pred;
 				rtp->lastotexttimestamp += frame->samples;
 			} else {
-				ast_debug(3, "Difference is %d, ms is %u, pred/ts/samples %u/%d/%d\n", abs(rtp->lastts - pred), ms, rtp->lastts, pred, frame->samples);
+				ast_debug(3, "Difference is %d, ms is %u, pred/ts/samples %u/%d/%d\n", abs((int)rtp->lastts - pred), ms, rtp->lastts, pred, frame->samples);
 				rtp->lastotexttimestamp = rtp->lastts;
 			}
 		}