--- rtp.c.orig	Fri Oct  3 09:47:59 2003
+++ rtp.c	Fri Oct  3 09:48:09 2003
@@ -546,6 +546,7 @@
   [31] = {1, AST_FORMAT_H261},
   [34] = {1, AST_FORMAT_H263},
   [97] = {1, AST_FORMAT_ILBC},
+  [100] = {0, AST_RTP_DTMF},
   [101] = {0, AST_RTP_DTMF},
   [110] = {1, AST_FORMAT_SPEEX},
   [121] = {0, AST_RTP_CISCO_DTMF}, // Must be type 121