Merged revisions 328935 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r328935 | kmoore | 2011-07-20 14:00:23 -0500 (Wed, 20 Jul 2011) | 8 lines
  
  Inband DTMF regression
  
  The functionality of inband DTMF in chan_sip relied upon
  ast_rtp_instance_dtmf_mode_get/set not working properly to avoid calling
  ast_rtp_instance_dtmf_begin/end on RTP streams with inband DTMF. According to
  documentation, ast_rtp_instance_dtmf_begin/end is meant only for RFC2833 DTMF,
  never inband.  This fixes the regression introduced in revision 328823.
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/2.0@328936 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -6536,11 +6536,7 @@ static int sip_senddigit_begin(struct ast_channel *ast, char digit)
 	sip_pvt_lock(p);
 	switch (ast_test_flag(&p->flags[0], SIP_DTMF)) {
 	case SIP_DTMF_INBAND:
-		if (p->rtp && ast_rtp_instance_dtmf_mode_get(p->rtp) == AST_RTP_DTMF_MODE_INBAND) {
-			ast_rtp_instance_dtmf_begin(p->rtp, digit);
-		} else {
 		res = -1; /* Tell Asterisk to generate inband indications */
-		}
 		break;
 	case SIP_DTMF_RFC2833:
 		if (p->rtp)
@@ -6572,11 +6568,7 @@ static int sip_senddigit_end(struct ast_channel *ast, char digit, unsigned int d
 			ast_rtp_instance_dtmf_end_with_duration(p->rtp, digit, duration);
 		break;
 	case SIP_DTMF_INBAND:
-		if (p->rtp && ast_rtp_instance_dtmf_mode_get(p->rtp) == AST_RTP_DTMF_MODE_INBAND) {
-			ast_rtp_instance_dtmf_end(p->rtp, digit);
-		} else {
 		res = -1; /* Tell Asterisk to stop inband indications */
-		}
 		break;
 	}
 	sip_pvt_unlock(p);