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  • PRODUCT DESCRIPTION

    NexusMEDIATION R9

    Author Stefan Crome Issued by NEXUS TELECOM, Switzerland Status Approved

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    Notice

    Every effort was made to ensure that the information in this document was accurate at the time of printing. However, information is subject to change without notice, and Nexus Telecom reserves the right to provide an addendum to this document with information not available at the time that this document was created.

    Copyright

    Copyright, Nexus Telecom. All rights reserved. No part of this document may be reproduced or transmitted electronically or otherwise without written permission of the publisher.

    Trademarks

    Nexus Telecom and its logo are trademarks of Nexus Telecom AG. All other trademarks and registered trademarks are the property of their respective owners.

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    Table of Contents

    1 Executive Summary ............................................................................................ 6 1.1 Introduction ................................................................................................... 6 1.2 NexusMEDIATION ....................................................................................... 7 1.3 Benefits ......................................................................................................... 8

    2 NexusMEDIATION Overview ............................................................................ 11 2.1 Core Functionality ....................................................................................... 11

    2.1.1 Collection Interfaces ...................................................................... 11 2.1.2 Core Mediation Flow Modeling....................................................... 12 2.1.3 Data Management and Multi-Vendor Support ................................ 14 2.1.4 Distribution Interfaces .................................................................... 15 2.1.5 Performance, Scalability and Reliability ......................................... 15

    2.2 Operations & Maintenance ......................................................................... 15 2.2.1 Security .......................................................................................... 15 2.2.2 Auditing Capabilities ...................................................................... 15 2.2.3 Systems Management ................................................................... 16 2.2.4 Monitoring ...................................................................................... 16 2.2.5 Alarming ......................................................................................... 17 2.2.6 Logging .......................................................................................... 17 2.2.7 Management of Rejected CDR`s ................................................... 18

    2.3 Additional Functionality ............................................................................... 19 2.3.1 User Administration ........................................................................ 19 2.3.2 Ad-hoc Data Analysis ..................................................................... 20 2.3.3 Reporting ....................................................................................... 20 2.3.4 Dashboards.................................................................................... 21 2.3.5 Archiving and Backup/Restore ....................................................... 21 2.3.6 Revenue Assurance ....................................................................... 21

    3 Complimentary Modules .................................................................................. 21 3.1 NRTRDE Module ........................................................................................ 21 3.2 Rating Engine Module ................................................................................ 22 3.3 Customer Experience Intelligence Module (NexusCEI) .............................. 22 3.4 Active Revenue Assurance Module (NexusARA) ....................................... 23

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    4 New in Release 9 ............................................................................................... 24

    5 Technical Specifications & Platform Requirements ...................................... 25 5.1 Hardware Architecture ................................................................................ 25 5.2 Software ..................................................................................................... 25 5.3 3rd Party Software ...................................................................................... 25

    6 Nexus Project Approach .................................................................................. 26 7 Supported Technologies .................................................................................. 27

    7.1 Supported Network Elements ..................................................................... 27 7.2 Supported BSS/OSS Systems .................................................................... 27 7.3 Supported Formats ..................................................................................... 28 7.4 Supported Protocols ................................................................................... 28

    8 Appendix ............................................................................................................ 30 8.1 Terms and Abbreviations ............................................................................ 30

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    Table of Figures Figure 1 - Analysys Report 2007 Revenue Assurance Stack ................................................................. 6 Figure 2 - NexusMEDIATION Product Concept ...................................................................................... 7 Figure 3 - Analysys Report 2008 NG IT Systems ................................................................................... 8 Figure 4 - NexusMEDIATION Mediation Flow Modeling ....................................................................... 12 Figure 5 - DataEnrichment configuration within a mediation flow ......................................................... 13 Figure 6 - Duplicate Checking capability ............................................................................................... 13 Figure 7 - ASN.1 Configuration ............................................................................................................. 14 Figure 8 - XML Configuration ................................................................................................................ 14 Figure 9 - User Activity Audit ................................................................................................................. 16 Figure 10 - NexusMEDIATION Monitoring dashboard .......................................................................... 17 Figure 11 - Alarm Aging and Clean-Up Configuration........................................................................... 17 Figure 12 - Global Systems Configurations .......................................................................................... 18 Figure 13 - User Administration ............................................................................................................. 19 Figure 14 - Standard and Ad-Hoc Reporting ......................................................................................... 20 Figure 15 - Dashboard Creation ............................................................................................................ 21 Figure 16 - NexusCEI Module ............................................................................................................... 23 Figure 17 - NexusMEDIATION Release Approach ............................................................................... 24 Figure 18 - Platform Planning .................................................................. Error! Bookmark not defined. Figure 19 - Nexus Telecom Project Approach ...................................................................................... 26

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    1 Executive Summary

    1.1 Introduction Convergence is reality today: with a plethora of access networks available today (like xDSL, GSM, GPRS, UMTS, LTE, Wimax or CDMA) all are using a core network based on IP protocol. Mediation Management is the central ability to cope with this increasing upstream complexity in the network topology i.e. by the introduction of the IP Multimedia Subsystem (IMS).

    With this promise of convergence becoming more and more reality, mediation has become the central hub for retrieving network usage data in the form of Chargeable Data Records (CDR`s) from network elements for charging purposes. Further enhanced is the role of mediation due to increasing importance of the downstream systems (BSS/OSS systems).

    Figure 1 - Analysys Report 2009 Revenue Assurance Stack

    Commercial off-the-shelf mediation solutions need to provide following key capabilities

    Flexibility and rapid time-to-market for configuration changes Enhanced support for current and future charging requirements Full SOX compliance

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    Highest performance and scalability with minimal hardware footprint to support current and future subscriber and service usage growth but keeping Total-Cost-of-Ownership (TCO) optimal

    Real-time processing capability for instantaneous KPI/KQI monitoring Revenue Assurance and data reconciliation capabilities

    Furthermore, multi-technology and multi-vendor support is imperative beyond full support of open standards, protocols and formats.

    1.2 NexusMEDIATION NexusMEDIATION leverages leading operators ability - like Deutsche Telekom, T-Mobile, Telekom Portugal or Mobilink (Orascom) - to compete successfully in todays high-growth, convergent but hugely competitive communications market, to generate new revenues and to support rapid service integration in multi-vendor, multi-service environments.

    NexusMEDIATION collects subscriber usage data from switches, servers or any other network element either file-based or streaming in real-time. The system then transmits this data to the billing system in an appropriate format, enabling the service provider to bill its customers in a number of different ways.

    Figure 2 - NexusMEDIATION Product Concept

    The systems highly advanced processing capabilities allows sophisticated

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    Filtering Aggregation of intermediate tickets Correlation Validation and auto-repair of corrupted records Format conversions

    Enrichments

    Mappings File & CDR duplicate checking Rating and Guiding

    1.3 Benefits NexusMEDIATION helps fixed, mobile and convergent operators around the globe to achieve leading positions in their hugely competitive markets. This by enabling the transition to next-generation infrastructure under the imperatives of

    More agility Faster (time-to-market) Lower costs

    Figure 3 - Analysys Report 2009 NG IT Systems

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    NexusMEDIATION mediates the broadest range of voice- and data-centric consumer, enterprise and carrier services for these operators.

    Lowering OPEX for new service introductions

    By successfully abstracting network complexity form the downstream systems, new service introductions can be achieved without changing the BSS/OSS downstream systems. With it`s flexible and modular architecture, rule-based modeling of processing logic rapid configuration changes are achieved. Hence new services logic and charging requirements the core business rules are quickly adjusted.

    All modifications are done via a zero-footprint, browser-based User Interface (UI) ensuring

    Rapid introduction of new/modified network elements (upstream) or BSS/OSS (downstream) systems

    Fail-safe modeling of mediation flows rather than error-prone configuration or even lengthy and expensive programming

    Flexible adding/amending of mediation flow components at any point in the flow (i.e. filtering before and after aggregation, validation and conversion etc.)

    Quick cloning of existing data sources (network elements and attached data formats) instead of re-configurations

    Convenient search & retrieval within Lines-of-Business (LoB) elements, data formats, network elements and mediation flows

    Differentiated charging models to leverage revenue opportunities

    NexusMEDIATION Rating Engine module supports all the plethora of charging principles

    Voice, data related models (i.e. event-charging, subscription-charging, volume, duration, MoU etc.)

    Flat fee (one-off and recurring) On-line and batch rating Quality Indicators (QoS, Trunk etc.)

    Revenue Assurance and Data Reconciliation to close critical revenue leaks

    The system automatically detects revenue leakages due to systems errors, provisioning mistakes, corrupted data etc. and hence ensures that all available data can be utilized

    Revenue assurance counters to detect corrupted data or orphaned intermediate tickets Dynamic CDR repair based on hashing tables to auto-complete missing information and data items Complete audit trail and reports for 100% transparency of data-IN and data-OUT Fully configurable file and CDR duplicate management

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    Fully configurable file and CDR sequence number management

    Lowering CAPEX and OPEX by providing a unified mediation hub

    The system is enabling a unified mediation environment enabling significant savings on currnet and future OPEX and CAPEX by

    Providing a consolidated mediation environment for all existing and future mediation needs and hence avoiding duplication of processes, hardware and trained staff onto various environments

    No need for further pre-mediation solutions or other legacy systems to be maintained Providing a clear migration path from release to release, backward compatibilities and vendor-

    templates add-on components for future technologies already today (i.e. IMS in all-IP architectures) available

    Mature COTS mediation solution with best-in-industry TCO

    NexusMEDIATION is a highly mature, carrier-grade mediation solution fully capable for todays and tomorrows multi-vendor and multi-technology environments.

    Significantly shorter introduction and implementation times than tailor-made solutions Rich interface templates, format and protocol PlugIn`s to accommodate any permutation of

    upstream- and downstream systems (network elements and BSS/OSS systems) Independent Software Vendor (ISV) mediation solution guarantees compatibility to a plethora of

    in particular - network equipment vendor specific implementations of standards and protocols Convenient, hassle-free maintenance and cost-effective usage

    Leveraging information for Fraud Management and Customer Experience Intelligence (CEI) NexusMEDIATION add-on components for active revenue assurance (NexusARA) and business intelligence allow

    Effective CDR reconciliation from probe-based network monitoring solutions (i.e. NexusNETVIEW) and test systems (i.e. NexusVERIFYER), roaming traffic (TAP)

    Billing Verification of billing correctness and completeness OLAP-based business intelligence and customer experience to surface gold-nuggets of data to run

    the business with a critical information and insight advantage

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    2 NexusMEDIATION Overview

    2.1 Core Functionality NexusMEDIATION general feature highlights include

    Parallel processing for leading scalability Real-time mediation Scheduled and on-demand mediation flow management (push/pull) Data Source concept File and xDR duplication detection Zero-footprint, browser-based User Interface Advanced Process Control per mediation flow Logbook, Error Handling and SNMP Interface Standard and Ad-Hoc Reporting, Dashboards and KPI Statistics Profile-based User roles Access control and Reliability Open and modular systems architecture Extensive multi-vendor capability

    2.1.1 Collection Interfaces Usage data collection is performed using the following features:

    Polling (NexusMEDIATION as initiator) (Pull-Interface) NE notification (Push-Interface) File-based or streams (i.e. IPDR, XML etc.) Data release at network element sites, supported by mediation transport interface Automatic raw usage data archiving after transmission (optional) Detection of protocol errors and automatic retries up to a preset limit to enhance collection

    resilience

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    2.1.2 Core Mediation Flow Modeling NexusMEDIATION supports extensive business logic modeling capabilities. Mediation flows can easily be created, modified, cloned and hence effectively managed using an intuitive UI-driven approach.

    Powerful flexibility comes conventionally with the price of error-prone configuration hassle. Writing code is a no-go given time-to-market requirements and cost focus in todays marketplace. Therefore a strictly process-orientated modeling approach in the NexusMEDIATION User Interface combines powerful flexibility with abstraction to hide unnecessary complexity.

    Dynamic rule creation on-line allows on-the-fly changes without disturbing on-going mediation operations.

    Figure 4 - NexusMEDIATION Mediation Flow Modeling

    Freely definable processing steps within a mediation flow include but are not limited to

    Data format management for input and output formats of mediation core Collection File/Data Sequence Number Handling Conversion into internal data structure (IDS) Aggregation according to business rules Filtering, Merging and Guiding Mapping Enrichment by looking-up 3rd party data Verification Validation Output conversion File/Data Duplicate Handling

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    Correlation Rating Reconciliation

    DB Loading (high performance SQL DB loading of CDR data) Data backup & archiving

    NexusMEDIATION supports flexible business rule configuration and deployment to conveniently accommodate ongoing change as the business requires agility.

    Figure 5 - DataEnrichment configuration within a mediation flow

    Another key capability is to filter out duplicate records across multiple files or streams within specified time windows. A buffer window allows dynamic modifications of the active window to improve resilience.

    Figure 6 - Duplicate Checking capability

    Aggregation allows the BSS/OSS systems to receive only one chargeable data record per actual service delivery in the network

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    Aggregation of partial or interim records for long voice calls Aggregation of partial RADIUS records for calculation session length and data volumes Aggregation of records for IP billing (i.e. Cisco Netflow, Huawei)

    2.1.3 Data Management and Multi-Vendor Support NexusMEDIATION supports a rich joice of network elements, data sources and downstream systems. Format templates and plug-ins allow quick installation and configuration of custom requirements using the UI:

    Figure 7 - ASN.1 Configuration

    Figure 8 - XML Configuration

    For a extensive list of supported formats, protocols and network element types see Chapter 7.

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    2.1.4 Distribution Interfaces The usage data in the IDS is converted for distribution into the expected input format of the associated downstream system. Hence the upstream system complexity is abstracted away from the BSS/OSS system and it receives understandable information in a stable interface format and protocol.

    NexusMEDIATION maintains a rich suite of

    interface templates for 3rd party BSS/OSS downstream platforms and vendors standard and proprietary data format Plug-In and protocols

    to distribute data.

    2.1.5 Performance, Scalability and Reliability NexusMEDIATION has been proven effectively mediating CDR`s of up to several billion CDR`s per day as is within near-term reach of many operators offering a rich product portfolio on their respective markets.

    In-Memory (IMDB) technology is used to greatly enhance thru-put in time-critical processing steps like aggregation and conversion

    Code is partly written in plain C programming language to leverage performance niches as compared to certain Java implementations

    Parallel processing allows scaling thru-put as workload is unevenly distributed over time

    2.2 Operations & Maintenance

    2.2.1 Security NexusMEDIATION includes a rich set of security features to ensure compliance with customer and industry needs as well as current authority regulations (i.e. SOX compliance).

    Configurable passwords and role-based user profiles Full audit trail on al activities and modifications Https for UI and Secure-FTP for collection and distribution ensuring integrity of user interactions

    and data collection Database security measures to avoid system manipulation directly on the DB bypassing UI The underlying JBOSS supports safe fail-over and automatic load distribution

    2.2.2 Auditing Capabilities NexusMEDIATION allows complete transparency on all user activities. All configuration is conveniently done using the configuration UI.

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    Figure 9 - User Activity Audit

    2.2.3 Systems Management NexusMEDIATION supports fully UI-driven global systems management configuration and baseline setup.

    Global variables are easily configured on a central location to define cross-platform behavior of the system (i.e. retry attempts for collection, scheduling clean-up and systems maintenance tasks etc.)

    Central repository of all network elements, formats, protocols, mediations flows and associated business rules, structured in Line-of-Business containers (i.e. Fixed, Mobile, ISP and IPV quadruple play structures)

    Central management of locations, directories, IP addresses and domains fully user-profile driven and password protected

    2.2.4 Monitoring The System Monitoring is performed using the following features:

    UI-based monitoring dashboard and RAG coding for high-level overview Drill-Up and Drill-Down for individual process step analysis Host load monitoring Infocodes and Revenue Assurance Counters

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    Figure 10 - NexusMEDIATION Monitoring dashboard

    2.2.5 Alarming NexusMEDIATION supports

    Fully configurable Alarm Aging Alarming integration into NMC/NOC (i.e. Umbrella systems) via SNMP interface NexusMEDIATION supports alarm aging in order to facilitate structured alarm management rather

    than being swamped with alarms if thresholds are too low or not receiving any alarm if simple thresholds are too high.

    Figure 11 - Alarm Aging and Clean-Up Configuration

    2.2.6 Logging Log-Book entries for all

    user activity

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    systems modifications incidence log entries normal and pathologic (mal-) functioning for complete audit trail and SOX compliance. The user with appropriate operations rights can

    configure various severity levels, healthy and pathologic transaction log entries and can acknowledge warnings (dead-man acknowledge).

    The system supports in addition Trace Interface Heartbeat functionality to avoid process starvation or dead-lock for system health logging. All configuration is easily managed using the UI

    Figure 12 - Global Systems Configurations

    2.2.7 Management of Rejected CDR`s Collected data from upstream networks can easily be parsed for syntactical correctness and content-wise completeness as part of any mediation flow. All rejected records are stored in pre-configured data storage containers. Processing logic can be configured for all storages (i.e. clean-up, delete, re-process etc.). For example corrupted records can be repaired using CDR Correction rules, missing fields can partially be (auto-)completed by dynamically building up lookup tables from the incoming data stream or by accessing 3rd party systems for lookup and data validation.

    Hence NexusMEDIATION significantly reduces the amount of manual intervention in case of data quality issues which translates directly in reduced revenue loss due to corrupted data. Any CDR lost means money lost.

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    2.3 Additional Functionality

    2.3.1 User Administration The NexusMEDIATION application distinguishes between three possible user roles (profiles) and attached rights and permissions. There are three possible roles for the users to login to the NexusMEDIATION application:

    Administrator User

    Operator Customizer Reporting

    The administrator has the following privileges and responsibilities: Network Element & Data Format Management BSS/OSS Management Mediation Flows Scheduling User Management Auditing Report and Dashboard management

    Figure 13 - User Administration

    NexusMEDIATION supports Single-Sign-On using LDAP for seamless integration into the operating environment.

    In addition, NexusMEDIATION supports Auto-Expiry of accounts Strong password encryption Fully configurable user audit trail

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    2.3.2 Ad-hoc Data Analysis NexusMEDIATION Record Analyzer is a standalone utility which gives possibility to search, analyze and check the CDR`s in the output or in error storage. Record Analyzer gives a Human Readable output of course. The format of the output depends on the Data Format (esp. IDS Name or Id) but it is flexibly configurable.

    The Record Analyzer allows to filter/select CDR`s based on - user specified - Dynamic Rules (will be described later). The format (and the printed fields of the CDR`s) can be also configured by the user.

    2.3.3 Reporting NexusMEDIATION has integrated as standard functionality full reporting capabilities to satisfy all standard and ad-hoc reporting needs.

    Every CDR has an attribute Infocode and a related severity attached to along the mediation flow from receipt to final delivery. The attribute respectively the field is maintained by the NexusMEDIATION processes during processing CDR and used for statistics and reporting, for example revenue assurance reporting and monitoring. This ensures holistic transparency of IN = OUT as well the checks and balances to account for imprved revenue realization.

    Figure 14 - Standard and Ad-Hoc Reporting

    NexusMEDIATION contains a rich set of sample reports that can easily be further customized. In addition full ad-hoc reporting is supported by simply drag & drop. The scheduler allows convenient planning of the reporting frequency. Report notification to the various stakeholders via email and SMS is supported.

    Note Reporting is part of the core NexusMEDIATION product and is not subject to separate licensing.

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    2.3.4 Dashboards

    NexusMEDIATION allows dynamic modification/creating of dashboards in a simple drag-and-drop fashion:

    Figure 15 - Dashboard Creation

    2.3.5 Archiving and Backup/Restore NexusMEDIATION is in itself of course not an archiving solution but fully supports archiving of data from collection to distribution at every step of the processing in the mediation flow. So full transparency and comprehension of data flows are guaranteed.

    Configuration Transfer, Backup and Restore is fully supported by NexusMEDIATION Backup & Restore utility.

    2.3.6 Revenue Assurance As mentioned previously already, NexusMEDIATION supports a per-CDR meta tag (InfoCode) that is fed into a rich set of revenue assurance counters to track a CDR`s life from collection to distribution. Those revenue assurance counters are surfaced for real-time monitoring and reporting purposes to indicate revenue assurance performance according to Key Performance Indicators and success metrics (i.e. Mediation Success Rate as a measure of volumes distributed, collected and discarded in between. The built-in auto-completion of partially incomplete records and the record repair utility help to increase the success ration as close as possible to the (theoretic) 100%.

    3 Complimentary Modules

    3.1 NRTRDE Module NexusMEDIATION NRTRDE module fully supports NRTRDE formats for In- and Out-Processing according to GSMA/TADIG specifications.

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    3.2 Rating Engine Module NexusMEDIATION rating engine is a carrier-grade rating engine supporting

    Online and batch rating of incoming data records for convergent rating All industry tariff models for on and off-net, national and international, fixed and mobile, event and

    session based services, volume, duration and event based rating, one-off and recurring fees etc. N-tier architecture for highly distributed rating for highest payload (i.e. prepaid traffic)

    3.3 Customer Experience Intelligence Module (NexusCEI) NexusCEI is a OLAP-based analytical data warehouse solution supporting strategic initiatives

    aiming for maximizing performance and profitability Detecting and minimizing subscriber churn Subscriber Segmentation based on usage, spending patterns,

    device etc. Subscriber Value Optimization The underlying technology supports Web 2.0 interactive repository management user interface for

    managing reports and analysis views using MS Explorer or Firefox Web 2.0 Domain designer for building and managing business views of upstream data sources to

    enable managed ad hoc query for non-technical users via simple business views of data sources. Security Integration built-in authentication, authorization, and single sign-on integration with

    external security systems such as LDAP or Windows Active Directory Services

    Secure Data Access granular user/role access control by row, column, cell, report, analysis view, data source, Topic, and Domain.

    Ad Hoc Dynamic Dashboard Builder uses Web 2.0 technology to create twinkling or self-refreshing key performance indicator gauges to be read at a glance and updated in near real-time, and the ability to create mash-up dashboards referencing external content.

    Leading Database technologies from Oracle and PostGres Leading Server Platform Support support for Solaris, HP Unix and Linux Application Servers supported from Tomcat and JBoss

    Data bulk upload is achieved utilizing DBLoader component for highest through-put within NexusMEDIATION mediation flow modeling toolbox.

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    NexusMEDIATION

    Figure 16 - NexusCEI Module

    3.4 Active Revenue Assurance Module (NexusARA) NexusARA is the CDR-Reconciliation and Billing verification extension of NexusMEDIATION and provides following additional benefits:

    Complete coverage of all revenue streams from order entry to final rating/billing Transparency into the whole process end-to-end (life of a CDR) Closure of existing but unknown revenue leakages due to

    Under-billing in postpaid billing systems or prepaid IN Over-billing by 3rd parties (i.e. roaming partners)

    Complete CDR reconciliation and xDR integrity validation Real-time re-rating of CDR`s in particular to close leaks timely for prepaid Extensive suite of interface templates to collect CDR`s from (multi-vendor) network elements Full support of 3GPP Wizard-supported reporting engine for highest usability and convenience Extended Alarm features for initializing actions in case of certain faults email of alarms and TMN

    integration. Scalable and modular architecture that allows small scale CDR reconciliation for test calls up to

    full-production CDR reconciliation and billing verification for national and roaming legs.

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    4 New in Release 9 NexusMEDIATION is a highly mature, productized mediation solution with Release 9 being a new major release available immediately.

    Figure 17 - NexusMEDIATION Release Approach

    The high level scope of release 9 comprises:

    Enhanced reporting and dashboard builder capability Enhanced DBLoader capability for NexusCEI for higher throughput Improved mediation flow modeling Extended rule engine supporting broader combinatorial logic for rule sets Extended interface templates and protocol plug-In Enhanced file sequence number handling Additional buffer window for duplicate checking Configurable XML support and performance improvements in XML parsing Full LDAP support, Open SSO support Dynamic auto-repair capability to complete missing field entries in CDR`s

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    5 Technical Specifications & Platform Requirements

    5.1 Hardware Architecture The NexusMEDIATION supports

    SUN Solaris Unix Server, HP Unix Server, Linux Server as OS

    Standard PC, Browser-based UI

    Oracle 11g or Postgres as RDBMS

    5.2 Software The NexusMEDIATION software is modular by design and consists of:

    Base application Mediation Engine for Collection, Conversion, Filtering and Enrichment Predefined interface adapters for CDR collection (rich set of Plug-in are available) NexusARA: CDR Reconciliation Engine & Billing Verification Module NexusCEI: OLAP-extension for reporting engine and DBLoader for high thru-put data upload Dashboard for Reporting, Monitoring and Alarming

    5.3 3rd Party Software Following software is required and is assumed to be procured by the customer

    OS: Sun Solaris 10, HP Unix, Linux RDBMS: Oracle 10 or Postgres JBOSS, Tomcat Sun FTAM (if applicable) MS Explorer, Firefox

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    6 Nexus Project Approach Nexus Telecom as an ISO 9000 certified company has more than 25 years of experience in the telecommunications industry on a global basis.

    Figure 18 - Nexus Telecom Project Approach

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    7 Supported Technologies

    7.1 Supported Network Elements PSTN switches PSTN IN platforms MSC for GSM, CDMA, TDMA networks Mobile Prepaid Platforms (IN) Voice Mail Systems Short Message Service Centers (SMSC) Multi-Media Message Centers (MMSC) GPRS/UMTS Charging Gateways GPRS Network Elements (GGSN, SGSN) IP Multimedia Subsystems (IMS) WAP Gateways SMS Routers and gateways Location based Services Platforms Terminal Management Servers (OTA) Network Management Systems EMS VoIP Network Elements (Soft-switches) Digital TV Platforms Radius AAA Servers Routers

    NGN Softswitches

    7.2 Supported BSS/OSS Systems Retail Billing Systems IC Billing Systems Datawarehouse Systems Fraud Management Systems Umbrella Monitoring Systems Revenue Assurance Systems MVNO Gateways

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    ERP

    CRM

    7.3 Supported Formats ASCII

    CSV (comma separated) Any separator supported XML Positional

    NRTRDE

    Binary NSN EWSD (IAC)AMA, IACHASTA ASN.1 BCD (straight, swapped, reversed and telephony) Blocked IPDR

    Positional

    Structured TAP 2

    TAP3

    TLV, XDR

    7.4 Supported Protocols Cisco NetFlow CORBA DDP

    DIAMETER

    Ericsson MTP

    FTAM

    FTP

    FTPS sFTP

    GTP HTTP/HTTPS LDAP

    Nortel AFT

    Nortel XFER

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    RADIUS SCP SNMP SOAP SQL TCP/IP UDP Many additional proprietary protocols

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    8 Appendix

    8.1 Terms and Abbreviations Abbreviation Explanation

    ASN.1 Abstract Syntax Notation One ASCII American Standard Code for Information Interchange BER Basic Encoding Rules BSCS Business Support and Control System CAPEX Capital Expenditure CDR Chargeable Data Record CSV Comma separated values CIFS Common Internet File System COTS Common Off-the-shelf Software CRM Customer Relationship Management System DAT Digital Audio Tape DB Database DDN Directory Distinguished Name DTE Desktop Environment ERP Enterprise Resource Planning FDT File Descriptor Table FTAM File Transfer, Access and Management FTP File Transfer Protocol GGSN Gateway GPRS Support Node GPRS General Packet Radio Service GUI Graphical User Interface IDS Internal Data Storage Format IMSI International Mobile Subscriber Identity JDBC Java Database Connectivity JNI Java Native Interface LAN Local Area Network MS ISDN Mobile Station International ISDN Number MTP Message Transfer Protocol NE Network Element

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    Abbreviation Explanation

    NRTRDE Near Real Time Roaming Data Exchange NSAP Network Service Access Point OPEX Operational Expenditure OSI Open Systems Interconnection PDP Packet Data Protocol PID Process Identification RDBMS Relational Database Management System SGSN Serving GPRS Support SMB Server Message Block SMO Short message Mobile Originated SMT Short message Mobile Terminated SNMP Simple Network Management Protocol SFTP Secure File Transfer Protocol SQL Structured Query Language TCP/IP Transmission Control Protocol/Internet TMN Telecommunication Management Network VAS Value Added Service VoIP Voice over Internet Protocol XML Extensible Mark-up Language

    End of Document