diff --git a/lte/alt1250/alt1250_daemon.h b/lte/alt1250/alt1250_daemon.h
index 8ae957f252..7168877c17 100644
--- a/lte/alt1250/alt1250_daemon.h
+++ b/lte/alt1250/alt1250_daemon.h
@@ -133,6 +133,7 @@ struct alt1250_s
 
 #ifdef CONFIG_LTE_ALT1250_ENABLE_HIBERNATION_MODE
 int alt1250_set_api_enable(FAR struct alt1250_s *dev, bool enable);
+int alt1250_count_opened_sockets(FAR struct alt1250_s *dev);
 #endif
 
 #endif  /* __LTE_ALT1250_ALT1250_DAEMON_H__ */
diff --git a/lte/alt1250/alt1250_main.c b/lte/alt1250/alt1250_main.c
index 30393db781..0f03246714 100644
--- a/lte/alt1250/alt1250_main.c
+++ b/lte/alt1250/alt1250_main.c
@@ -283,4 +283,27 @@ int alt1250_set_api_enable(FAR struct alt1250_s *dev, bool enable)
 
   return OK;
 }
+
+int alt1250_count_opened_sockets(FAR struct alt1250_s *dev)
+{
+  int ret = 0;
+  int i = 0;
+  FAR struct usock_s *sock;
+
+  if (!dev)
+    {
+      return ERROR;
+    }
+
+  for (i = 0; i < ARRAY_SZ(dev->sockets); i++)
+    {
+      sock = &dev->sockets[i];
+      if (sock->state != SOCKET_STATE_CLOSED)
+        {
+          ret ++;
+        }
+    }
+
+  return ret;
+}
 #endif