diff --git a/rtp.c b/rtp.c
index d816f8de5f0778d00497e10df6f698890db2977b..bd29e044b4615b0b14bd6aeb21d73b22ea6b045b 100755
--- a/rtp.c
+++ b/rtp.c
@@ -546,7 +546,6 @@ static struct rtpPayloadType static_RTP_PT[MAX_RTP_PT] = {
   [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