diff --git a/drivers/atmodem/atutil.c b/drivers/atmodem/atutil.c
index 9eeaf469..76d03781 100644
--- a/drivers/atmodem/atutil.c
+++ b/drivers/atmodem/atutil.c
@@ -80,20 +80,6 @@ gint at_util_call_compare_by_phone_number(gconstpointer a, gconstpointer b)
 				sizeof(struct ofono_phone_number));
 }
 
-gint at_util_call_compare_by_id(gconstpointer a, gconstpointer b)
-{
-	const struct ofono_call *call = a;
-	unsigned int id = GPOINTER_TO_UINT(b);
-
-	if (id < call->id)
-		return -1;
-
-	if (id > call->id)
-		return 1;
-
-	return 0;
-}
-
 GSList *at_util_parse_clcc(GAtResult *result, unsigned int *ret_mpty_ids)
 {
 	GAtResultIter iter;
diff --git a/drivers/atmodem/atutil.h b/drivers/atmodem/atutil.h
index 96607881..b7076909 100644
--- a/drivers/atmodem/atutil.h
+++ b/drivers/atmodem/atutil.h
@@ -53,7 +53,7 @@ typedef void (*at_util_sim_inserted_cb_t)(gboolean present, void *userdata);
 
 void decode_at_error(struct ofono_error *error, const char *final);
 gint at_util_call_compare_by_phone_number(gconstpointer a, gconstpointer b);
-gint at_util_call_compare_by_id(gconstpointer a, gconstpointer b);
+gint ofono_call_compare_by_id(gconstpointer a, gconstpointer b);
 GSList *at_util_parse_clcc(GAtResult *result, unsigned int *mpty_ids);
 gboolean at_util_parse_reg(GAtResult *result, const char *prefix,
 				int *mode, int *status,
diff --git a/drivers/common/call_list.c b/drivers/common/call_list.c
index 14fd9258..8b871191 100644
--- a/drivers/common/call_list.c
+++ b/drivers/common/call_list.c
@@ -51,3 +51,17 @@ gint ofono_call_compare_by_status(gconstpointer a, gconstpointer b)
 
 	return 0;
 }
+
+gint ofono_call_compare_by_id(gconstpointer a, gconstpointer b)
+{
+	const struct ofono_call *call = a;
+	unsigned int id = GPOINTER_TO_UINT(b);
+
+	if (id < call->id)
+		return -1;
+
+	if (id > call->id)
+		return 1;
+
+	return 0;
+}
diff --git a/drivers/common/call_list.h b/drivers/common/call_list.h
index ffa9dce5..a06c114f 100644
--- a/drivers/common/call_list.h
+++ b/drivers/common/call_list.h
@@ -26,5 +26,6 @@
 
 gint ofono_call_compare(gconstpointer a, gconstpointer b);
 gint ofono_call_compare_by_status(gconstpointer a, gconstpointer b);
+gint ofono_call_compare_by_id(gconstpointer a, gconstpointer b);
 
 #endif /* __OFONO_DRIVER_COMMON_CALL_LIST */
diff --git a/drivers/huaweimodem/voicecall.c b/drivers/huaweimodem/voicecall.c
index 1043c84d..033352c3 100644
--- a/drivers/huaweimodem/voicecall.c
+++ b/drivers/huaweimodem/voicecall.c
@@ -348,7 +348,7 @@ static void conf_notify(GAtResult *result, gpointer user_data)
 	ofono_info("Call setup: id %d", call_id);
 
 	l = g_slist_find_custom(vd->calls, GINT_TO_POINTER(call_id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 	if (l == NULL) {
 		ofono_error("Received CONF for untracked call");
 		return;
@@ -385,7 +385,7 @@ static void conn_notify(GAtResult *result, gpointer user_data)
 	ofono_info("Call connect: id %d type %d", call_id, call_type);
 
 	l = g_slist_find_custom(vd->calls, GINT_TO_POINTER(call_id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 	if (l == NULL) {
 		ofono_error("Received CONN for untracked call");
 		return;
@@ -429,7 +429,7 @@ static void cend_notify(GAtResult *result, gpointer user_data)
 				call_id, duration, end_status);
 
 	l = g_slist_find_custom(vd->calls, GINT_TO_POINTER(call_id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 	if (l == NULL) {
 		ofono_error("Received CEND for untracked call");
 		return;
diff --git a/drivers/ifxmodem/voicecall.c b/drivers/ifxmodem/voicecall.c
index 42c1a82c..aa6504fa 100644
--- a/drivers/ifxmodem/voicecall.c
+++ b/drivers/ifxmodem/voicecall.c
@@ -136,7 +136,7 @@ static void xcallstat_notify(GAtResult *result, gpointer user_data)
 		return;
 
 	l = g_slist_find_custom(vd->calls, GINT_TO_POINTER(id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 
 	if (l == NULL && status != CALL_STATUS_DIALING &&
 				status != CALL_STATUS_INCOMING &&
@@ -774,7 +774,7 @@ static void xcolp_notify(GAtResult *result, gpointer user_data)
 
 	l = g_slist_find_custom(vd->calls,
 				GINT_TO_POINTER(call_id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 	if (l == NULL) {
 		ofono_error("XCOLP for unknown call");
 		return;
diff --git a/drivers/stemodem/voicecall.c b/drivers/stemodem/voicecall.c
index 7abb78eb..9f38acbf 100644
--- a/drivers/stemodem/voicecall.c
+++ b/drivers/stemodem/voicecall.c
@@ -463,7 +463,7 @@ static void ecav_notify(GAtResult *result, gpointer user_data)
 	 * If it doesn't exists we make a new one
 	 */
 	l = g_slist_find_custom(vd->calls, GUINT_TO_POINTER(id),
-				at_util_call_compare_by_id);
+				ofono_call_compare_by_id);
 
 	if (l)
 		existing_call = l->data;