Authentication method and device for PBX having access to IMS

The invention discloses an authentication method and device for a PBX having access to an IMS. The method comprises the steps that an ICSCF receives a calling INVITE message which is generated by an MGCF and carries virtual relay information; the ICSCF initiates a search request of an SCSCF to an HS...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ZUOHUI, MAO HONGYE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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