A few debug prints, look for "+RECEIVE" from SIMCOM's

src/TinyGsmClientBG96.h

@@ -655,7 +655,7 @@ protected:
       sockets[mux]->rx.put(c);
     }
     waitResponse();
-    DBG("### READ:", mux, ",", len);
+    DBG("### READ:", len, "from", mux);
     return len;
   }
 
@@ -666,7 +666,7 @@ protected:
       streamSkipUntil(','); // Skip total received
       streamSkipUntil(','); // Skip have read
       result = stream.readStringUntil('\n').toInt();
-      DBG("### STILL:", mux, "has", result);
+      DBG("### DATA AVAILABLE:", result, "on", mux);
       waitResponse();
     }
     if (!result) {

src/TinyGsmClientM95.h

@@ -710,7 +710,7 @@ protected:
       sockets[mux]->rx.put(c);
     }
     waitResponse();
-    DBG("### READ:", mux, ",", len);
+    DBG("### READ:", len, "from", mux);
     return len;
   }
 
@@ -721,7 +721,7 @@ protected:
       streamSkipUntil(','); // Skip total received
       streamSkipUntil(','); // Skip have read
       result = stream.readStringUntil('\n').toInt();
-      DBG("### STILL:", mux, "has", result);
+      DBG("### DATA AVAILABLE:", result, "on", mux);
       waitResponse();
     }
     if (!result) {

src/TinyGsmClientMC60.h

@@ -738,7 +738,7 @@ protected:
       sockets[mux]->rx.put(c);
     }
     waitResponse();
-    DBG("### READ:", mux, ",", len);
+    DBG("### READ:", len, "from", mux);
     return len;
   }
 
@@ -749,7 +749,7 @@ protected:
       streamSkipUntil(','); // Skip total received
       streamSkipUntil(','); // Skip have read
       result = stream.readStringUntil('\n').toInt();
-      DBG("### STILL:", mux, "has", result);
+      DBG("### DATA AVAILABLE:", result, "on", mux);
       waitResponse();
     }
     if (!result) {

src/TinyGsmClientSIM7000.h

@@ -983,6 +983,7 @@ protected:
       sockets[mux]->rx.put(c);
     }
     waitResponse();
+    DBG("### READ:", len_confirmed, "from", mux);
     return len_confirmed;
   }
 
@@ -1065,9 +1066,19 @@ public:
               sockets[mux]->got_data = true;
             }
             data = "";
+            DBG("### Got Data:", mux);
           } else {
             data += mode;
           }
+        } else if (data.endsWith(GF(GSM_NL "+RECEIVE:"))) {
+          int mux = stream.readStringUntil(',').toInt();
+          int len = stream.readStringUntil('\n').toInt();
+          if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
+            sockets[mux]->got_data = true;
+            sockets[mux]->sock_available = len;
+          }
+          data = "";
+          DBG("### Got Data:", len, "on", mux);
         } else if (data.endsWith(GF("CLOSED" GSM_NL))) {
           int nl = data.lastIndexOf(GSM_NL, data.length()-8);
           int coma = data.indexOf(',', nl+2);

src/TinyGsmClientSIM800.h

@@ -905,6 +905,7 @@ protected:
       sockets[mux]->rx.put(c);
     }
     waitResponse();
+    DBG("### READ:", len_confirmed, "from", mux);
     return len_confirmed;
   }
 
@@ -987,9 +988,19 @@ public:
               sockets[mux]->got_data = true;
             }
             data = "";
+            DBG("### Got Data:", mux);
           } else {
             data += mode;
           }
+        } else if (data.endsWith(GF(GSM_NL "+RECEIVE:"))) {
+          int mux = stream.readStringUntil(',').toInt();
+          int len = stream.readStringUntil('\n').toInt();
+          if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
+            sockets[mux]->got_data = true;
+            sockets[mux]->sock_available = len;
+          }
+          data = "";
+          DBG("### Got Data:", len, "on", mux);
         } else if (data.endsWith(GF("CLOSED" GSM_NL))) {
           int nl = data.lastIndexOf(GSM_NL, data.length()-8);
           int coma = data.indexOf(',', nl+2);

src/TinyGsmClientUBLOX.h

@@ -829,6 +829,7 @@ protected:
     }
     streamSkipUntil('\"');
     waitResponse();
+    DBG("### READ:", len, "from", mux);
     return len;
   }
 
@@ -841,6 +842,7 @@ protected:
     if (res == 1) {
       streamSkipUntil(','); // Skip mux
       result = stream.readStringUntil('\n').toInt();
+      DBG("### DATA AVAILABLE:", result, "on", mux);
       waitResponse();
     }
     if (!result && res != 2 && res != 3) {  // Don't check modemGetConnected after an error
@@ -925,12 +927,13 @@ public:
           goto finish;
         } else if (data.endsWith(GF(GSM_NL "+UUSORD:"))) {
           int mux = stream.readStringUntil(',').toInt();
-          streamSkipUntil('\n');
+          int len = stream.readStringUntil('\n').toInt();
           if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
             sockets[mux]->got_data = true;
+            sockets[mux]->sock_available = len;
           }
           data = "";
-          DBG("### Got Data:", mux);
+          DBG("### Got Data:", len, "on", mux);
         } else if (data.endsWith(GF(GSM_NL "+UUSOCL:"))) {
           int mux = stream.readStringUntil('\n').toInt();
           if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {

src/TinyGsmCommon.h

@@ -10,7 +10,7 @@
 #define TinyGsmCommon_h
 
 // The current library version number
-#define TINYGSM_VERSION "0.6.1"
+#define TINYGSM_VERSION "0.6.2"
 
 #if defined(SPARK) || defined(PARTICLE)
   #include "Particle.h"