diff --git a/Src/AtGsmTelitLe910_SocketSendData.c b/Src/AtGsmTelitLe910_SocketSendData.c
index a71bc44..e8bb735 100755
--- a/Src/AtGsmTelitLe910_SocketSendData.c
+++ b/Src/AtGsmTelitLe910_SocketSendData.c
@@ -9,7 +9,14 @@
 AtCommandResult AtGsmTelitLe910_SocketSendData(
         tAtCmd *env, uint8_t linkNum, uint8_t *data, uint16_t dataLen, uint32_t timeout
 ) {
-    return AtGsmTelitLe910_SocketSendDataUdp(env, linkNum, data, dataLen, 0, 0, 0, timeout);
+
+    AtCommandResult result = AtGsmTelitLe910_SocketSendDataUdp(env, linkNum, data, dataLen, 0, 0, 0, timeout);
+
+    if (result == AT_ERROR) {
+        result = AtGsmTelitLe910_SocketSendDataUdp(env, linkNum, data, dataLen, 0, 0, 0, timeout);
+    }
+
+    return result;
 }
 
 AtCommandResult AtGsmTelitLe910_SocketSendDataUdp(
@@ -50,6 +57,11 @@ AtCommandResult AtGsmTelitLe910_SocketSendDataUdp(
             } else if (AtCmdRxBeginWithStatic(env, "ERROR")) {
                 AtCmdRxClear(env);
                 return AT_ERROR;
+
+            } else if (AtCmdRxBeginWithStatic(env, "+CME ERROR: tx error")) {
+                AtCmdRxClear(env);
+                return AT_ERROR;
+
             } else if (AtCmdRxBeginWithStatic(env, "OK")) {
                 AtCmdRxClear(env);
                 return AT_OK;