FS-4160 try this

src/switch_ivr_bridge.c

@@ -813,7 +813,7 @@ static switch_status_t uuid_bridge_on_soft_execute(switch_core_session_t *sessio
 			switch_core_session_rwunlock(other_session);
 			if (switch_true(switch_channel_get_variable(channel, "uuid_bridge_continue_on_cancel"))) {
 				switch_channel_set_state(channel, CS_EXECUTE);
-			} else {
+			} else if (!switch_channel_test_flag(channel, CF_TRANSFER)) {
 				switch_channel_hangup(channel, SWITCH_CAUSE_ORIGINATOR_CANCEL);
 			}
 			goto done;