Unterstützung mehrerer Namensräume in einem Prioritätsanruf in Ims-Netzwerk

Details

Veröffentlichungs-Nr.

EP3989516

Aktenzeichen

EP21204480

Anmeldetag

25. Oktober 2021

Veröffentlichung

13. September 2023

Erteilung

13. September 2023

Rechtsraum

EP

IPC

H04L65/10H04L65/1016H04L65/1069H04W4/90H04L65/1104H04L65/1073

Abstract

A method of call handling when multiple namespaces are present for a call of a priority or emergency call type initiated by a subscriber of a wireless network includes: obtaining, by an originating Proxy Call Session Control Function (P-CSCF), a predetermined precedence order for the multiple namespaces; retrieving, by the originating P-CSCF, each namespace and associated priority from the subscriber's Registration Context; inserting, by the originating P-CSCF, a SIP Resource-Priority header for each namespace and associated priority; and inserting, by the originating P-CSCF, an additional SIP Resource-Priority header with an additional specified namespace (Multiple Namespace Precedence Order (MNPO)) and priority value identifying the predetermined precedence order for the multiple namespaces. The originating P-CSCF uses the namespace with the highest precedence order to select the appropriate values to fill in Reservation-Priority Attribute-Value Pair (AVP) and Multimedia-priority services (MPS) Identifier AVP in Rx interface signaling to a Policy and Charging Rules Function (PCRF).

Anmelder

Firma

Mavenir Systems, Inc.

Land

🇺🇸 USA

Fachgebiete