don't try to use peer's dynamic codec numbers, it leads to duplication (issue #6052)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@9818 65c4cc65-6c06-0410-ace0-fbb531ad65f3

rtp.c

@@ -1,7 +1,7 @@
 /*
  * Asterisk -- An open source telephony toolkit.
  *
- * Copyright (C) 1999 - 2005, Digium, Inc.
+ * Copyright (C) 1999 - 2006, Digium, Inc.
  *
  * Mark Spencer <markster@digium.com>
  *
@@ -807,17 +807,6 @@ int ast_rtp_lookup_code(struct ast_rtp* rtp, const int isAstFormat, const int co
 		return rtp->rtp_lookup_code_cache_result;
 	}
 
-	/* Check the dynamic list first */
-	for (pt = 0; pt < MAX_RTP_PT; ++pt) {
-  		if (rtp->current_RTP_PT[pt].code == code && rtp->current_RTP_PT[pt].isAstFormat == isAstFormat) {
-			rtp->rtp_lookup_code_cache_isAstFormat = isAstFormat;
-			rtp->rtp_lookup_code_cache_code = code;
-			rtp->rtp_lookup_code_cache_result = pt;
-			return pt;
-		}
-	}
-
-	/* Then the static list */
 	for (pt = 0; pt < MAX_RTP_PT; ++pt) {
 		if (static_RTP_PT[pt].code == code && static_RTP_PT[pt].isAstFormat == isAstFormat) {
 			rtp->rtp_lookup_code_cache_isAstFormat = isAstFormat;