Patent application number | Description | Published |
20110122799 | Method for Achieving a Call-Waiting Functionality in a Communication Network - A method and an arrangement for enabling an application server invocated terminating service in an IMS based communication network. A request-to-establish message is received ( | 05-26-2011 |
20110314166 | End-to-End Address Transfer - According to a first aspect of the present invention there is provided a method of facilitating the end-to-end transfer of a URI between a plurality of SIP entities. The method comprising generating a SIP message and including the URI to be transferred in a Contact header of the message and including in the Contact header a parameter indicating to a back-to-back user agent that this URI is not to be changed or replaced. | 12-22-2011 |
20130301480 | Method and Apparatus Relating to Online Charging in an IP Multimedia Subsystem - A method is provided which relates to online charging within an IP Multimedia Subsystem, IMS. The method comprises at an IMS charging node ( | 11-14-2013 |
20130315106 | Method and Apparatus for Online Charging in an IP Multimedia Subsystem - A method is provided for online charging within an IP Multi-media Subsystem, IMS. A first credit control request message is received (S-A) at an IMS charging node ( | 11-28-2013 |
20130329705 | METHODS AND APPARATUS FOR IMPLEMENTING PRIVATE BRANCH EXCHANGE ACCESS TO AN IP MULTIMEDIA SUBSYSTEM - 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. | 12-12-2013 |
20140098716 | End-to-End Address Transfer - According to a first aspect of the present invention there is provided a method of facilitating the end-to-end transfer of a URI between a plurality of SIP entities. The method comprising generating a SIP message and including the URI to be transferred in a Contact header of the message and including in the Contact header a parameter indicating to a back-to-back user agent that this URI is not to be changed or replaced. | 04-10-2014 |
20150043453 | Service Domain Selection Service Indicator - A service indication mechanism is described for use by IP Multimedia Subsystem, IMS, codes ( | 02-12-2015 |
20150063345 | IP MULTIMEDIA SUBSYSTEM SUPPORT FOR PRIVATE BRANCH EXCHANGES - According to an aspect of the present invention there is provided a method of providing support for multiple links between a Private Branch Exchange (PBX) and an IP Multimedia Subsystem (IMS). The method comprises, at an IMS Application Server (AS), configuring the AS with capacity information relating to each of the multiple links, receiving SIP call control messages relating to calls involving the PBX and thereby maintaining usage information for each of the multiple links, the usage information indicating which of the multiple links is being used for each ongoing call involving the PBX. The method further comprises using the capacity information and the usage information relating to each of the multiple links to select one of the multiple links to carry an incoming call terminating at the PBX, and modifying SIP call control messages relating to the incoming call to ensure that the incoming call is carried by the selected link. | 03-05-2015 |