diff --git a/main/rtp.c b/main/rtp.c
index 4bc9842f79652cad4759232d4056058058b94d93..fcc80df0e0a330d58e4033e40b468844a5697a71 100644
--- a/main/rtp.c
+++ b/main/rtp.c
@@ -1626,6 +1626,7 @@ static struct {
 	{{1, AST_FORMAT_SLINEAR}, "audio", "L16"},
 	{{1, AST_FORMAT_LPC10}, "audio", "LPC"},
 	{{1, AST_FORMAT_G729A}, "audio", "G729"},
+	{{1, AST_FORMAT_G729A}, "audio", "G729A"},
 	{{1, AST_FORMAT_SPEEX}, "audio", "speex"},
 	{{1, AST_FORMAT_ILBC}, "audio", "iLBC"},
 	{{1, AST_FORMAT_G722}, "audio", "G722"},