ims 3gpp
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Application-Level QoS Negotiation and Signaling for Advanced Multimedia Services in the IMS
White Paper The IP Multimedia Subsystem (IMS) has been recognized as a reference next generation network architecture for offering multimedia services over an Internet Protocol (IP) based infrastructure. One of the key benefits of... [04 Aug 2008]
Towards Stateless Core: Improving SIP Proxy Scalability
White Paper The Third Generation Partnership Project (3GPP) specified the IP Multimedia Subsystem (IMS) standard. The IMS standard allows some core elements to be deployed as transaction stateful or... [11 Jul 2008]
IMS Security Considerations
White Paper While the 3rd Generation Partnership Project (3GPP) specifications address IP Multimedia Subsystems (IMS) basic security constructs - such as the authentication process, provisions for providing session... [03 Jul 2008]
Design and Implementation of an IP Multimedia Subsystem (IMS) Emulator Using Virtualization Techniques
White Paper In this environment, the 3GPP IP Multimedia Subsystem (IMS) represents the service provisioning platform of choice for SIP-based content delivery in mobile and fixed environments. However, in spite of... [01 Mar 2008]
IP Multimedia Subsystems (IMS) - The Open Industry Standard Supporting the Next Generation of Converged Network Services
White Paper IP Multimedia Subsystem (IMS) is emerging as the industry standard of choice for the next generation network. IMS was initially developed by the 3GPP (3rd Generation Partnership Project)... [29 Feb 2008]
Design & Implementation of a Home Subscriber Server Solution
White Paper The company wanted to keep track of the continuously evolving IMS specifications. This resulted in in-depth expertise in the wireless domain and 3GPP specifications related to IMS. The... [15 Jan 2008]
IMS Primer: Enabling Enhanced Service Delivery
White Paper The IP Multimedia Subsystem (IMS), defined by 3GPP and 3GPP2 standards and organizations based on IETF Internet protocols, is an IP multimedia and telephony core network. The IMS offers... [08 Jan 2008]
The telecoms operator of the future
Comment Developed by the 3GPP, an industry partnership defining the technical standards for 3G networks, IMS is also being adopted by the fixed-line community.continued on next page. IMS allows... [02 Jan 2007]
Security From 3GPP IMS to TISPAN NGN
White Paper It is only a matter of time before fixed and mobile communications networks start to suffer the constant attacks experienced by the IP networks carrying Internet, e-mail and presence applications. The ability to supply secure networks to... [29 Nov 2006]
Total Cost of Ownership for Public Key Infrastructure
White Paper To date, there have been a number of proposed solutions with widespread industry favor for the Third Generation Partnership Project (3GPP) IP Multimedia Subsystem (IMS) Home Subscriber Server (HSS) model. [04 Aug 2006]
IMS Reconciliation White Paper
White Paper Wide spread acceptance of the principles in the 3GPP IP Multimedia Subsystem (IMS) are nearing a level that would indicate the communications industry is close to reaching a defacto convergence... [27 Jul 2006]
NGN Control Plane Overload and Its Management
White Paper The paper notes that the distributed computing nature of NGN architectures such as the 3GPP IMS, has an increased detrimental impact on overload behaviour and looks at the overload management capability... [27 Jul 2006]
IP Multimedia Services Improvements in the GSM/EDGE Radio Access Network
Consequently support of new services such as IP Multimedia Subsystem (IMS) services can be handled smoothly without having to specify new coding schemes in each release of the 3GPP specifications.... [16 Nov 2005]
Cheat Sheet: Push-to-talk
Cheat Sheet But most seem happy to work through OMA, the Open Mobile Alliance, and come up with technology that is compliant with IP Multimedia Subsystem (IMS), as defined by standards body 3GPP. Something to do... [09 Sep 2004]
Performance Estimation of a SIP Based Push-to-Talk Service for 3G Networks
White Paper This paper presents and evaluates a PTT service for a UMTS network based on the IMS with SIP as the call management protocol that is similar to the proposed PoC service and is inspired by the existing PTT service offered... [25 Jun 2004]
