diff --git a/sys/living/comm.h b/sys/living/comm.h
index 7cb7388..064113a 100644
--- a/sys/living/comm.h
+++ b/sys/living/comm.h
@@ -23,12 +23,14 @@
 #define MSG_DONT_WRAP    4096
 #define MSG_DONT_IGNORE  8192
 #define MSG_ALL_SENSES   16384 // all relevant senses, not one of them
+#define MSG_ALERT        0x8000 // signal an alert to client (e.g. audio)
 // Flags < 1048576 (2^20) reserviert fuer Flags
 #define MSG_ALL_BS_FLAGS (BS_LEAVE_MY_LFS | BS_SINGLE_SPACE | BS_BLOCK\
                           | BS_NO_PARINDENT | BS_INDENT_ONCE\
                           |BS_PREPEND_INDENT)
 #define MSG_ALL_FLAGS (MSG_DONT_BUFFER | MSG_DONT_STORE | MSG_DONT_WRAP\
-                      | MSG_DONT_IGNORE | MSG_ALL_SENSES | MSG_ALL_BS_FLAGS)
+                      | MSG_DONT_IGNORE | MSG_ALL_SENSES | MSG_ALERT\
+                      | MSG_ALL_BS_FLAGS)
 
 // Nachrichtentypen, Werte ab 2^20
 #define MT_UNKNOWN    0
diff --git a/sys/player/base.h b/sys/player/base.h
index dbb2617..d6fa88c 100644
--- a/sys/player/base.h
+++ b/sys/player/base.h
@@ -31,7 +31,6 @@
 #define P_WAITFOR            "waitfor"
 #define P_WAITFOR_REASON     "waitfor_reason"
 #define P_WAITFOR_FLAGS      "waitfor_flags"
-#define P_VISUALBELL         "visualbell"
 #define P_LOCALCMDS          "localcmds"
 #define P_CLOCKMSG           "clockmsg"
 #define P_TIMEZONE           "timezone"
diff --git a/sys/player/comm.h b/sys/player/comm.h
index 5839576..5459ecb 100644
--- a/sys/player/comm.h
+++ b/sys/player/comm.h
@@ -24,6 +24,14 @@
 
 #define MESSAGE_BEEP "\007"
 
+// Definitionen fuer Alerts
+// Eigentlich waere hier "p_lib_alert" als Inhalt des Defines vorgesehen, da
+// "visualbell" in den Savefiles steht, ist eine Migrations hier jedoch
+// aufwaendig und auf unbestimmte Zeit verschoben.
+#define P_ALERT     "visualbell"
+#define AL_NO_SOUND 1
+// Bis 1024 (2^10) reserviert fuer allg. Einstellungen
+
 // definitions for Message()
 
 #define MSGFLAG_CHANNEL 0x0001	// messages from channeld.c