diff --git a/src/zr/voice.inc b/src/zr/voice.inc
new file mode 100644
index 0000000..2d030cf
--- /dev/null
+++ b/src/zr/voice.inc
@@ -0,0 +1,61 @@
+/*
+ * ============================================================================
+ *
+ *  Zombie:Reloaded
+ *
+ *  File:          voice.inc
+ *  Type:          Module
+ *  Description:   Alter listening/speaking states of humans/zombies.
+ *
+ *  Copyright (C) 2009  Greyscale, Richard Helgeby
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ============================================================================
+ */
+
+/**
+ * Allow all clients to listen and speak with each other.
+ */
+stock VoiceAllTalk()
+{
+    // x = Receiver index.
+    // y = Sender index.
+    for (new x = 1; x <= MaxClients; x++)
+    {
+        // If receiver isn't in-game, then stop.
+        if (!IsClientInGame(x))
+        {
+            continue;
+        }
+        
+        for (new y = 1; y <= MaxClients; y++)
+        {
+            // If sender isn't in-game, then stop.
+            if (!IsClientInGame(y))
+            {
+                continue;
+            }
+            
+            // No need to alter listening/speaking flags between one client.
+            if (x == y)
+            {
+                continue;
+            }
+            
+            // Receiver (x) can now hear the sender (y).
+            SetClientListening(x, y, true);
+        }
+    }
+}
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