On Tue, 2008-11-04 at 10:51 -0500, M. Ranganathan wrote: > I would like to discuss the implications of forwarding REFER to the > ITSP. There are some ITSPs that support REFER ( notably bt.com). If we > exploited this capability, that could result in a better user > experience. For example, this would have the effect of the caller > hearing Ringing on blind transfers assuming that the inbound INVITE > has an Allow: REFER. Note that in general the ITSP may not > Allow:REFER as it may well be dealing with an endpoint that does not > handle REFER ( such as a PSTN phone ) so the user may not hear RINGING > on blind transfer anyway.
In the long run, if ISTPs move toward supporting real SIP, we should be able to exploit their capabilities. So I can see the value in passing REFERs through. Dale _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
