In some implementations, a telecommunications network can include an anchoring network
device. The anchoring network device can receive, from a first party of a communication …

In some implementations, a telecommunications network can include an anchoring network
device. The anchoring network device can receive, from a first party of a communication …

BACKGROUND IP Multimedia services provide a dynamic combination of Voice, video,
messaging, data, etc. within the same session. By growing the number of basic applications …

Embodiments provide a service request processing method, a related device, and a
communications system in an IMS network. In some embodiments, because 5GC network …

Methods and apparatuses for performing domain resolution prior to dispatching a request. A
request from an Application Server (AS) is received. The AS and a network node are present …

SUMMARY OF THE INVENTION 0007 Embodiments of the invention provide a method, an
apparatus, and a system for Subscription and notification, so that an AS can obtain the …

The following presents a simplified Summary of one or more aspects in order to provide a
basic understanding of such aspects. This Summary is not an extensive overview of all …

A method and a device for maintaining an emergency call service through a packet network
in a mobile communication network are provided. UE using VoLTE receives identification …

In one embodiment, the present invention discloses a method and an apparatus for
processing a session request in an IP network. For example, the method receives by a Proxy …

A method and corresponding apparatus are configured to transmit, during terminal
attachment to an evolved packet system and in at least a portion of a diameter command …