FIELD: information technology.
SUBSTANCE: multimedia IP subsystem includes session access controller and system of home network subscriber server. Registration method includes: initiating by controller the access to session of authentication information request to home network subscriber server. Method of session establishing includes: direct processing the user request for session establishment by session access controller. Abovementioned solutions can simplify signals processing scheme and reduce network complexity.
EFFECT: reducing delay time during communication session establishment.
17 cl, 17 dwg
