Removed everything but cleaning up the debugging

TinyGsmClientA6.h

@@ -539,10 +539,8 @@ public:
   }
 
 private:
-  int modemConnect(const char* host, uint16_t port, uint8_t* mux, bool isUDP=false) {
+  int modemConnect(const char* host, uint16_t port, uint8_t* mux) {
     sendAT(GF("+CIPSTART="),  GF("\"TCP"), GF("\",\""), host, GF("\","), port);
-      if (isUDP) sendAT(GF("+CIPSTART="),  GF("\"UDP"), GF("\",\""), host, GF("\","), port);
-      else sendAT(GF("+CIPSTART="),  GF("\"TCP"), GF("\",\""), host, GF("\","), port);
 
     if (waitResponse(75000L, GF(GSM_NL "+CIPNUM:")) != 1) {
       return -1;

TinyGsmClientESP8266.h

@@ -370,9 +370,8 @@ public:
   }
 
 private:
-  int modemConnect(const char* host, uint16_t port, uint8_t mux, bool isUDP=false) {
-    if (isUDP) sendAT(GF("+CIPSTART="), mux, ',', GF("\"UDP"), GF("\",\""), host, GF("\","), port, GF(",120"));
-    else sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port, GF(",120"));
+  int modemConnect(const char* host, uint16_t port, uint8_t mux) {
+    sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port, GF(",120"));
     int rsp = waitResponse(75000L,
                            GFP(GSM_OK),
                            GFP(GSM_ERROR),

TinyGsmClientSIM800.h

@@ -636,9 +636,8 @@ public:
   }
 
 private:
-  int modemConnect(const char* host, uint16_t port, uint8_t mux, bool isUDP=false) {
-    if (isUDP) sendAT(GF("+CIPSTART="), mux, ',', GF("\"UDP"), GF("\",\""), host, GF("\","), port);
-    else sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port);
+  int modemConnect(const char* host, uint16_t port, uint8_t mux) {
+    sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port);
     int rsp = waitResponse(75000L,
                            GF("CONNECT OK" GSM_NL),
                            GF("CONNECT FAIL" GSM_NL),

TinyGsmClientXBee.h

@@ -465,16 +465,16 @@ public:
   }
 
 private:
-  int modemConnect(const char* host, uint16_t port, uint8_t mux = 1, bool isUDP=false) {
+  int modemConnect(const char* host, uint16_t port, uint8_t mux = 1) {
     sendAT(GF("LA"), host);
     String ipadd; ipadd.reserve(16);
     ipadd = streamReadUntil('\r');
     IPAddress ip;
     ip.fromString(ipadd);
-    return modemConnect(ip, port, mux, isUDP);
+    return modemConnect(ip, port);
   }
 
-  int modemConnect(IPAddress ip, uint16_t port, uint8_t mux = 1, bool isUDP=false) {
+  int modemConnect(IPAddress ip, uint16_t port, uint8_t mux = 1) {
     String host; host.reserve(16);
     host += ip[0];
     host += ".";
@@ -483,16 +483,11 @@ private:
     host += ip[2];
     host += ".";
     host += ip[3];
-    if (isUDP) {
-      sendAT(GF("IP"), 0);  // Put in UDP mode
-      waitResponse();
-    } else {
-      sendAT(GF("IP"), 1);  // Put in TCP mode
-      waitResponse();
-    }
-    sendAT(GF("DL"), host);
+    sendAT(GF("IP"), 1);  // Put in TCP mode
+    waitResponse();
+    sendAT(GF("DL"), host);  // Set the "Destination Address Low"
     waitResponse();
-    sendAT(GF("DE"), String(port, HEX));
+    sendAT(GF("DE"), String(port, HEX));  // Set the destination port
     int rsp = waitResponse();
     return rsp;
   }