diff --git a/extras/AT Command Manuals/Quectel_BC95_AT_Commands_Manual_V1.9.pdf b/extras/AT Command Manuals/Quectel_BC95_AT_Commands_Manual_V1.9.pdf
new file mode 100644
index 0000000..a33a897
Binary files /dev/null and b/extras/AT Command Manuals/Quectel_BC95_AT_Commands_Manual_V1.9.pdf differ
diff --git a/src/TinyGsmClientSIM800.h b/src/TinyGsmClientSIM800.h
index 804a6ff..e917bcc 100644
--- a/src/TinyGsmClientSIM800.h
+++ b/src/TinyGsmClientSIM800.h
@@ -107,7 +107,7 @@ public:
       rx.clear();
       at->maintain();
     }
-    at->sendAT(GF("+CIPCLOSE="), mux);
+    at->sendAT(GF("+CIPCLOSE="), mux, GF(",1"));  // Quick close
     sock_connected = false;
     at->waitResponse();
   }