Invention Grant
- Patent Title: Methods and apparatus for implementing private branch exchange access to an IP multimedia subsystem
- Patent Title (中): 专用分组交换机访问IP多媒体子系统的方法和装置
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Application No.: US13914280Application Date: 2013-06-10
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Publication No.: US09232521B2Publication Date: 2016-01-05
- Inventor: Dusan Ignjatovic , Andreas Anulf , Nils Hänström , Kresimir Peharda
- Applicant: Telefonaktiebolaget L M Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Myers Bigel Sibley & Sajovec, P.A.
- Main IPC: H04W72/04
- IPC: H04W72/04 ; H04L12/24 ; H04L29/06 ; H04M3/42

Abstract:
A method of enabling configuration of a link between a circuit-switched Private Branch Exchange (CS PBX), and an access gateway node that connects at least one CS PBX to an IP Multimedia Subsystem (IMS). The method is performed at an IMS application server, AS. The AS is configured with timeslot configuration information for each link between the access gateway node and the at least one CS PBX. The AS receives, from the access gateway node, a request for timeslot configuration information for one or more of the links, and identifies the one or more links to which the request relates. The AS then retrieves the timeslot configuration information for the identified link, and sends a response indicating this information to the access gateway node.
Public/Granted literature
- US20130329705A1 METHODS AND APPARATUS FOR IMPLEMENTING PRIVATE BRANCH EXCHANGE ACCESS TO AN IP MULTIMEDIA SUBSYSTEM Public/Granted day:2013-12-12
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