Do not prematurely go on hold if sendonly was not actually set.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@63656 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -5238,7 +5238,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 		ast_queue_control(p->owner, AST_CONTROL_UNHOLD);
 		/* Activate a re-invite */
 		ast_queue_frame(p->owner, &ast_null_frame);
-	} else if (!sin.sin_addr.s_addr || sendonly) {
+	} else if (!sin.sin_addr.s_addr || (sendonly && sendonly != -1)) {
 		ast_queue_control_data(p->owner, AST_CONTROL_HOLD, 
 				       S_OR(p->mohsuggest, NULL),
 				       !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0);
@@ -5261,7 +5261,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 		if (global_notifyhold)
 			sip_peer_hold(p, 0);
 		ast_clear_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD);	/* Clear both flags */
-	} else if (!sin.sin_addr.s_addr || sendonly ) {
+	} else if (!sin.sin_addr.s_addr || (sendonly && sendonly != -1)) {
 		/* No address for RTP, we're on hold */
 		append_history(p, "Hold", "%s", req->data);