Merge #1051 into the main trunk.



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3174 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjmedia/include/pjmedia-audiodev/audiodev.h b/pjmedia/include/pjmedia-audiodev/audiodev.h
index 5a523ca..09c6209 100644
--- a/pjmedia/include/pjmedia-audiodev/audiodev.h
+++ b/pjmedia/include/pjmedia-audiodev/audiodev.h
@@ -201,7 +201,10 @@
     PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER = 1,
 
     /** Route to earpiece */
-    PJMEDIA_AUD_DEV_ROUTE_EARPIECE = 2
+    PJMEDIA_AUD_DEV_ROUTE_EARPIECE = 2,
+
+    /** Route to paired Bluetooth device */
+    PJMEDIA_AUD_DEV_ROUTE_BLUETOOTH = 4
 
 } pjmedia_aud_dev_route;