Solution assessment reports from Current Analysis identify the product and service combinations delivered by a technology supplier or service provider, providing in-depth analysis and tactical advice based upon solution selection criteria that are likely to be key decision points for prospective customers. Compare solutions with side-by-side listings of product metrics and other factors, with a focus on actionable intelligence.

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IP Multimedia Subsystem (IMS) Solution Assessments

AVAILABLE SOLUTION ASSESSMENTS

Alcatel-Lucent IMS Service Delivery Platform
With previous deployments balanced across geographies and network types, Alcatel-Lucent is focusing future IMS deployment efforts on early activity associated with RCS and Voice over LTE. (8/4/2010)
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Ericsson IMS Portfolio
Ericsson continues to improve the overall value of its IMS solution through the introduction of new capabilities, as well as consistent improvements to existing components and subsystems, such as policy management. (7/15/2010)
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Huawei IMS Portfolio
With each iteration of its IMS solution, Huawei improves the overall depth of the portfolio and better positions the platform to gain greater acceptance with major operators outside of China. (7/15/2010)
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Nokia Siemens Networks IMS Portfolio
With the revelation of information related to the performance of its CSCFs, NSN’s IMS solution rates among the highest in the market in terms of session and subscriber control. (7/16/2010)
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ZTE IMS (ZIMS)
The ZTE IMS solution is a comprehensive offering that is complemented by ZTE’s OSS/BSS and terminal products. The ZIMS platform is fully compliant with Release 6/7/8 of the 3GPP specification and includes early support for R9/10. (7/27/2010)
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SOLUTION ASSESSMENT REPORT CONTENTS

Sections

Solution Description
Solution Elements
Current Perspective
Solution Strengths/Weaknesses
Key Selection Criteria
Go To Market

IP Multimedia Subsystem (IMS) Solution Elements

Application Server: Generic SIP Application Server
Open application environment designed for service creation and as host environment for the execution of SIP applications.
Application Server: Hosted Multimedia Application Server
Application server providing Class 5 and PBX-like advanced features, enabling carriers to offer IP Centrex services.
Application Server: Telephony Application Server
Application server providing traditional Class 5 features.
Services Capabilities Interaction Manager (SCIM)
Provides service orchestration between multiple applications and session control elements.
Session Control
Provides SIP Proxy and session control functionality. Includes Proxy-Call Session Control Function (P-CSCF), Interrogating-CSCF and Serving-CSCF. Session control is a fundamental component of any IMS deployment.
HSS
Provides AAA and subscriber management functions. An HSS is a fundamental component of any IMS deployment.
Border Gateway Function
Provides security and media services at network edge and peering points, includes Security Gateways, SBCs, IPX.
Breakout Gateway Control Function (BGCF)
Subsystem for handling SIP messages that need to breakout of IMS network, includes MGCF, Media Gateway and Signaling Gateway.
Policy Control
Describes mechanism for providing policy control and QoS assurances, includes PDF and RACS.

IP Multimedia Subsystem (IMS) Key Selection Criteria

Application Strategy
Border/Policy Control
Depth of Portfolio
Reliability
IMS Breakout Solution
Interoperability and Compatibility
Service Convergence
Session Control/Subscriber Management

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