diff --git a/src/TinyGsmClientA6.h b/src/TinyGsmClientA6.h
index a53890b..9cc061c 100644
--- a/src/TinyGsmClientA6.h
+++ b/src/TinyGsmClientA6.h
@@ -108,6 +108,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size() && sock_connected) {
diff --git a/src/TinyGsmClientBG96.h b/src/TinyGsmClientBG96.h
index f65da65..2903647 100644
--- a/src/TinyGsmClientBG96.h
+++ b/src/TinyGsmClientBG96.h
@@ -108,6 +108,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size()) {
diff --git a/src/TinyGsmClientESP8266.h b/src/TinyGsmClientESP8266.h
index 44ed149..5d9bbdf 100644
--- a/src/TinyGsmClientESP8266.h
+++ b/src/TinyGsmClientESP8266.h
@@ -90,6 +90,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size() && sock_connected) {
diff --git a/src/TinyGsmClientM590.h b/src/TinyGsmClientM590.h
index 21539ae..4597b6c 100644
--- a/src/TinyGsmClientM590.h
+++ b/src/TinyGsmClientM590.h
@@ -105,6 +105,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size() && sock_connected) {
diff --git a/src/TinyGsmClientSIM800.h b/src/TinyGsmClientSIM800.h
index 08e256a..3859dfa 100644
--- a/src/TinyGsmClientSIM800.h
+++ b/src/TinyGsmClientSIM800.h
@@ -114,6 +114,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size() && sock_connected) {
diff --git a/src/TinyGsmClientUBLOX.h b/src/TinyGsmClientUBLOX.h
index 9ea3c63..2c25b71 100644
--- a/src/TinyGsmClientUBLOX.h
+++ b/src/TinyGsmClientUBLOX.h
@@ -107,6 +107,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     if (!rx.size()) {
diff --git a/src/TinyGsmClientXBee.h b/src/TinyGsmClientXBee.h
index 87dbcda..9cb5861 100644
--- a/src/TinyGsmClientXBee.h
+++ b/src/TinyGsmClientXBee.h
@@ -118,6 +118,11 @@ public:
     return write(&c, 1);
   }
 
+  virtual size_t write(const char *str) {
+    if (str == NULL) return 0;
+    return write((const uint8_t *)str, strlen(str));
+  }
+
   virtual int available() {
     TINY_GSM_YIELD();
     return at->stream.available();