I might interject that H.225.0 Annex G can be thought of as a form of Third Party registration. This protocol allows a Border Element (or Gatekeeper) to registers its endpoints with other Border Elements (or Gatekeepers).

I do not know is this adds to the discussion, or not.

Bob

-------------------------------------------------------------- Robert Callaghan Siemens Enterprise Networks 5500 Broken Sound Blvd, Boca Raton, Fl 33487 Tel: +1 561 923-1756 Fax: +1 561 923-1403 Email: Robert.Callaghan@ICN.Siemens.com -----------------------------------------------------------------

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