diff --git a/sounds.txt b/sounds.txt
index e02dad5b0ffe7f7df2016e00a5d943f658a50bd5..15e400497861019522773927d0dc12b217ea7198 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 0000000000000000000000000000000000000000..6ba1054728446f930cf1854c6a758b22d8e5159e
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 0000000000000000000000000000000000000000..7a7751258f5dfc55cd4e541e48ea178254995ec0
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 0000000000000000000000000000000000000000..734dd043d4bd9654d639aec907a41efdf37b92fc
Binary files /dev/null and b/sounds/skinny.gsm differ