Methods, systems, and computer program products for inhib iting message traffic to an
unavailable terminating SIP server are disclosed. According to one method, at least one list …

Methods and systems for providing SIP trunk groups are disclosed. A SIP call processor
identifies an incoming SIP trunk group based on one or more parameters associated with an …

Methods, systems, and computer program products for pro viding an enriched messaging
service in a communications system is described. In one embodiment, the method includes …

Methods, systems, and computer program products for selecting or generating a single call
detail record (CDR) from a plurality of CDRs associated with a call that includes a plurality of …

A method of facilitating P-CSCF restoration when a P-CSCF failure has occurred is
disclosed. The method comprises a Proxy Call Session Control Function,'P-CSCF'receiving …

Methods, systems, and computer readable media system for collecting and distributing
session initiation protocol (SIP) event watcher entity Subscription information in a communi …

Methods, systems, and computer readable media for providing legacy devices access to a
session initiation protocol (SIP) based network are disclosed. One exemplary system …

(57) ABSTRACT IMS call control nodes and methods are disclosed for provid ing online
charging in an IMS network. An IMS call control node receives a call message from a CSCF …

The subject matter described herein includes methods, sys tems, and computer program
products for performing mes sage deposit transaction screening. One method includes …

(57) ABSTRACT A system and method for efficient and accurate establishment of SIP
sessions between calling and called end-points. A calling endpoint creates a SIP INVITE …