diff --git a/README.md b/README.md
index 73ad457..e51d392 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ Currently implemented Features:
 * create an outgoing call (`call`)
 * answer an incoming call (`accept`)
 * terminate a running call (`terminate`)
+* mute the call (`mute-call`)
 
 
 Features supported by the unix socket (linphone deamon):
diff --git a/pylinphone.py b/pylinphone.py
index 3ce1016..5c52132 100644
--- a/pylinphone.py
+++ b/pylinphone.py
@@ -77,6 +77,15 @@ class LinphoneCommunicationSocket():
         else:
             raise RuntimeError(answer["error"])
 
+    def call_mute(self, mute=True):
+        self.socket.send("call-mute {mute}".format(mute="1" if mute else "0").encode("ascii"))
+        answer = self._await_answer()
+        pdb.set_trace()
+        if answer["status"]:
+            return True
+        else:
+            raise RuntimeError(answer["error"])
+
     def process_event(self):
         self.socket.send("pop-event".encode("ascii"))
         answer = self._await_answer()