Mossman, Paul (CAR:9D30) wrote: > Arjun wrote: >> The MOH uses the OPTIONs as a keepalive mechanism, to make >> sure the dialog is still active. What's the interval between >> the OPTIONs? The default I believe is 5mins. > > Just to confirm, this is done to clean up dangling MOH dialogs? > > The reason I ask is that the XTRN-419 problem is that the Polycom does > not send BYE when taking the call off hold, and therefore leaves the MOH > dangling. > > If sipXpark cleans up these dialogs promptly, then the impact of > XTRN-419 is much less severe. >
Yep, that's right. As long as the polycom phones sends a 404, 408, or a 481 to the in-dialog OPTIONS when the dialog does not exist, the the session will be taken down, and sipXpark will stop sending RTP. Arjun _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
