diff --git a/sounds.txt b/sounds.txt
index e02dad5b0f..15e4004978 100755
--- a/sounds.txt
+++ b/sounds.txt
@@ -681,3 +681,17 @@
 
 %conf-onlyone.gsm%There is currently only one other participant in the conference.
 
+
+%agent.gsm%Agent
+
+%h323.gsm%H.323
+
+%iax.gsm%IAX
+
+%mgcp.gsm%MGCP
+
+%sip.gsm%SIP
+
+%skinny.gsm%Skinny
+
+%zap.gsm%Zap
diff --git a/sounds/h323.gsm b/sounds/h323.gsm
new file mode 100755
index 0000000000..6ba1054728
Binary files /dev/null and b/sounds/h323.gsm differ
diff --git a/sounds/mgcp.gsm b/sounds/mgcp.gsm
new file mode 100755
index 0000000000..7a7751258f
Binary files /dev/null and b/sounds/mgcp.gsm differ
diff --git a/sounds/skinny.gsm b/sounds/skinny.gsm
new file mode 100755
index 0000000000..734dd043d4
Binary files /dev/null and b/sounds/skinny.gsm differ