On Wed, Jun 4, 2008 at 2:49 PM, Andy Spitzer <[EMAIL PROTECTED]> wrote: > Woof! > > On Wed, 04 Jun 2008 13:50:05 -0400, M. Ranganathan <[EMAIL PROTECTED]> wrote: > >> Relying on INVITE alone for call setup does not assume REFER support. >> Maybe this is a non issue these days but could still be an issue for >> ITSPs. > > I don't see why ITSPs will be an issue for click-to-dial. The > phone that is sent the REFER is the "local" one. It cannot be on the far side > of an ITSP. We are not just sending click-to-dial requests to random phone > numbers (well, I hope not...), only to the extensions of logged in users.
I thought about it more. You are correct. It was an unintended red herring. > > That phone might be on the other side of a SIP firewall/NAT/B2BUA (remote > worker, > for example) and that could possibly have troubles with REFER, but it isn't an > ITSP issue. This is possibly an issue ( Robert can say something here ). > > --Woof! > -- M. Ranganathan _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
