A method and an apparatus for processing a call to an aggregate endpoint device over a
network are disclosed. For example, the method receives a session request by a Serving …

Embodiments of the present invention disclose a method, a related apparatus, and a system
for recovering a called service of a terminal. The method includes: when a called request of …

Signaling through a plurality of network elements is traced during a trace session. The
network elements generate trace records that record information associated with a communi …

US8451841B2 - Method and apparatus for processing a call to an aggregate endpoint device
- Google Patents US8451841B2 - Method and apparatus for processing a call to an aggregate …

(57) ABSTRACT A communications method includes determining a session management
function entity based on at least one of a data network name, slice information, and an …

According to an aspect of the invention, there is provided a method in an IP multimedia
subsystem, IMS, of a tele-communications network. The loss of a secure association …

A user device registers with a proxy-call session control function device (P-CSCF)
associated with an Internet protocol (IP) multimedia subsystem (IMS). The user device …

A user device registers with a proxy-call session control function device (P-CSCF)
associated with an Internet protocol (IP) multimedia subsystem (IMS). The user device …

Embodiments of the present invention disclose a method, a related apparatus, and a system
for recovering a called service of a terminal. The method includes: when a called request of …

A method, a related apparatus, and a system for recovering a called service of a terminal are
provided. The method includes: when a called request of a user terminal is received …