Verfahren für eine Verbesserte Steuerfunktionsauswahl in einem Kommunikationsnetz, Kommunikationsnetz, Heimteilnehmerserver, Programm und Computerprogrammprodukt

Details

Veröffentlichungs-Nr.

EP3337118

Aktenzeichen

EP16203819

Anmeldetag

13. Dezember 2016

Veröffentlichung

29. April 2020

Erteilung

29. April 2020

Rechtsraum

EP

IPC

H04L29/06

Abstract

The invention relates to a method for an enhanced control function selection in a communication network and with respect to a user equipment requesting an IP (Internet Protocol) multimedia subsystem communication service from the communication network, wherein the method comprises the following steps: -- in a first step, upon a request of an IP (Internet Protocol) multimedia subsystem communication service by the user equipment, an initiating message, related to the service identity, is received by the specific interrogating call state control function entity -- in a second step, subsequent to the first step, a location information request message is transmitted, by the specific interrogating call state control function entity, to the home subscriber server, -- in a third step, subsequent to the second step, a location information answer message is transmitted, by the home subscriber server, to the specific interrogating call state control function entity, wherein the location information answer message comprises a required capability information, the required capability information corresponding to a capability that needs to be provided by the specific serving call state control function entity that is to be selected, by the specific interrogating call state control function entity, among the plurality of serving call state control function entities, wherein any subsequent location information answer message that is -- received by the home subscriber server and -- transmitted either by the specific interrogating call state control function entity or by another one of the plurality of interrogating call state control function entities - as the requesting entity - and -- related to the service identity related to the IP multimedia subsystem communication service requested by the user equipment, likewise comprises a required capability information such that the requesting entity selects the specific serving call state control function entity, that is thereby becoming the selected serving call state control function entity corresponding to the subsequent location information request message.

Anmelder

Firma

Deutsche Telekom AG

Land

🇩🇪 Deutschland

Fachgebiete