Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 231431)
+++ channels/chan_sip.c	(working copy)
@@ -17101,6 +17101,8 @@
   */
 static void handle_response_refer(struct sip_pvt *p, int resp, char *rest, struct sip_request *req, int seqno)
 {
+	enum ast_control_transfer message = AST_TRANSFER_FAILED;
+
 	/* If no refer structure exists, then do nothing */
 	if (!p->refer)
 		return;
@@ -17120,11 +17122,17 @@
 		if (ast_strlen_zero(p->authname)) {
 			ast_log(LOG_WARNING, "Asked to authenticate REFER to %s:%d but we have no matching peer or realm auth!\n",
 				ast_inet_ntoa(p->recv.sin_addr), ntohs(p->recv.sin_port));
+			if (p->owner) {
+				ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+			}
 			p->needdestroy = 1;
 		}
 		if (p->authtries > 1 || do_proxy_auth(p, req, resp, SIP_REFER, 0)) {
 			ast_log(LOG_NOTICE, "Failed to authenticate on REFER to '%s'\n", get_header(&p->initreq, "From"));
 			p->refer->status = REFER_NOAUTH;
+			if (p->owner) {
+				ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+			}
 			p->needdestroy = 1;
 		}
 		break;
@@ -17146,11 +17154,17 @@
 		ast_log(LOG_NOTICE, "SIP transfer to %s failed, call miserably fails. \n", p->refer->refer_to);
 		p->needdestroy = 1;
 		p->refer->status = REFER_FAILED;
+		if (p->owner) {
+			ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+		}
 		break;
 	case 603:   /* Transfer declined */
 		ast_log(LOG_NOTICE, "SIP transfer to %s declined, call miserably fails. \n", p->refer->refer_to);
 		p->refer->status = REFER_FAILED;
 		p->needdestroy = 1;
+		if (p->owner) {
+			ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+		}
 		break;
 	}
 }
@@ -18195,7 +18209,11 @@
 		if (!success) {
 			ast_log(LOG_NOTICE, "Transfer failed. Sorry. Nothing further to do with this call\n");
 		}
-		
+
+		if (p->owner) {
+			enum ast_control_transfer message = success ? AST_TRANSFER_SUCCESS : AST_TRANSFER_FAILED;
+			ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+		}
 		/* Confirm that we received this packet */
 		transmit_response(p, "200 OK", req);
 	};
@@ -24387,6 +24405,11 @@
 
 	sip_scheddestroy(p, SIP_TRANS_TIMEOUT);	/* Make sure we stop send this reply. */
 	sip_alreadygone(p);
+
+	if (p->owner) {
+		enum ast_control_transfer message = AST_TRANSFER_SUCCESS;
+		ast_queue_control_data(p->owner, AST_CONTROL_TRANSFER, &message, sizeof(message));
+	}
 	/* hangup here */
 	return 0;
 }
Index: channels/chan_iax2.c
===================================================================
--- channels/chan_iax2.c	(revision 231431)
+++ channels/chan_iax2.c	(working copy)
@@ -5271,6 +5271,7 @@
 	unsigned short callno = PTR_TO_CALLNO(c->tech_pvt);
 	struct iax_ie_data ied = { "", };
 	char tmp[256], *context;
+	enum ast_control_transfer message = AST_TRANSFER_SUCCESS;
 	ast_copy_string(tmp, dest, sizeof(tmp));
 	context = strchr(tmp, '@');
 	if (context) {
@@ -5281,6 +5282,7 @@
 	if (context)
 		iax_ie_append_str(&ied, IAX_IE_CALLED_CONTEXT, context);
 	ast_debug(1, "Transferring '%s' to '%s'\n", c->name, dest);
+	ast_queue_control_data(c, AST_CONTROL_TRANSFER, &message, sizeof(message));
 	return send_command_locked(callno, AST_FRAME_IAX, IAX_COMMAND_TRANSFER, 0, ied.buf, ied.pos, -1);
 }
 	
Index: include/asterisk/frame.h
===================================================================
--- include/asterisk/frame.h	(revision 231431)
+++ include/asterisk/frame.h	(working copy)
@@ -305,6 +305,7 @@
 	AST_CONTROL_VIDUPDATE = 18,	/*!< Indicate video frame update */
 	_XXX_AST_CONTROL_T38 = 19,	/*!< T38 state change request/notification \deprecated This is no longer supported. Use AST_CONTROL_T38_PARAMETERS instead. */
 	AST_CONTROL_SRCUPDATE = 20,     /*!< Indicate source of media has changed */
+ 	AST_CONTROL_TRANSFER = 21,      /*!< Indicate status of a transfer request */
 	AST_CONTROL_T38_PARAMETERS = 24, /*!< T38 state change request/notification with parameters */
 };
 
@@ -341,6 +342,11 @@
 	unsigned int transcoding_jbig:1;			/*!< Set if JBIG transcoding can be used */
 };
 
+enum ast_control_transfer {
+	AST_TRANSFER_SUCCESS = 0, /*!< Transfer request on the channel worked */
+	AST_TRANSFER_FAILED,      /*!< Transfer request on the channel failed */
+};
+
 #define AST_SMOOTHER_FLAG_G729		(1 << 0)
 #define AST_SMOOTHER_FLAG_BE		(1 << 1)
 
Index: main/channel.c
===================================================================
--- main/channel.c	(revision 231431)
+++ main/channel.c	(working copy)
@@ -3063,6 +3063,7 @@
 	case AST_CONTROL_HANGUP:
 	case AST_CONTROL_T38_PARAMETERS:
 	case _XXX_AST_CONTROL_T38:
+	case AST_CONTROL_TRANSFER:
 		break;
 
 	case AST_CONTROL_CONGESTION:
@@ -3169,6 +3170,7 @@
 	case AST_CONTROL_RING:
 	case AST_CONTROL_HOLD:
 	case AST_CONTROL_UNHOLD:
+	case AST_CONTROL_TRANSFER:
 		/* Nothing left to do for these. */
 		res = 0;
 		break;
@@ -4009,6 +4011,37 @@
 			res = 0;
 	}
 	ast_channel_unlock(chan);
+
+	if (res < 0) {
+		return res;
+	}
+
+	for (;;) {
+		struct ast_frame *fr;
+
+		res = ast_waitfor(chan, -1);
+
+		if (res < 0 || !(fr = ast_read(chan))) {
+			res = -1;
+			break;
+		}
+
+		if (fr->frametype == AST_FRAME_CONTROL && fr->subclass == AST_CONTROL_TRANSFER) {
+			enum ast_control_transfer *message = fr->data.ptr;
+
+			if (*message == AST_TRANSFER_SUCCESS) {
+				res = 1;
+			} else {
+				res = -1;
+			}
+
+			ast_frfree(fr);
+			break;
+		}
+
+		ast_frfree(fr);
+	}
+
 	return res;
 }