1. Computaris Case studies

2. AGENDA DELIVERY OF MVNO SOLUTION TO PLDT HONG KONG MVNE IN REPLACEMENT CONVERGENT CHARGING SOLUTION IMPLEMENTATION TO ASIAN MVNO XOX IN PREPAID SOLUTION IMPLEMENTATION TO DUTCH BASED MVNE BSA PROCESSING TOOL SOLUTION DEPLOYMENT – MANAGING A CRISIS SITUATION PRODUCT DEVELOPMENT CASE STUDY: PCRF SOLUTION DEVELOPMENT PRODUCT DEVELOPMENT – DEVICE MANAGEMENT SOLUTION DEVELOPMENT SYSTEM INTEGRATION – E2E POLICY MANAGEMENT SOLUTION DEVELOPMENT HTTP TRAFFIC OPTIMIZATION PoC TO ENHANCE CUSTOMER QUALITY OF EXPERIENCE DIGITALROUTE MEDIATION SOLUTION UPGRADE AND SUPPORT ORGA SYSTEMS CONVERGENT BILLING SYSTEM DEPLOYMENT TOP TESTING SUITE – MEDIATION SOLUTION UPGRADE TOP TESTING SUITE – REGRESSION TESTING

3. DELIVERY OF MVNO SOLUTION TO PLDT HONG KONG BUSINESS CHALLENGE PLDT Hong Kong needed a MVNO platform that would allow them to provide innovative telecommunications products for overseas Filipinos and otherethnic markets; they were also experiencing a high churn rate, therefore they needed tools to detect churners in a timely manner and to target subscribers with effective marketing campaigns. • COMPUTARIS CONTRIBUTION • The platform Computaris delivered incorporates best-of-breed components for messaging, voice and data session control, voucher management, real-time rating and charging, provisioning, order management, analytics and CRM, more specific: • IN-SCP • Diameter Signalling Platform • Rating & Charging Voucher Management System • Enterprise Architecture Integration Layer • CRM and Provisioning • Self Care: USSD, SMS, IVR • Business Intelligence • Loyalty and Churn Management • Network Monitoring System • SMSC CUSTOMER PROFILE PLDT Global Corporation (PGC), offers mobile services in the Philippines and other countries through points of presence in US, Hong Kong, and Singapore. RESULTS AND BENEFITS The MVNO Suite now enables PLDT Hong Kong to easily launch new services in less than a month. Furthermore, PLDT can now monitor the loyalty of the customers and launch loyalty campaigns that enable them to reduce churn rate and increase ARPU.

4. MVNE IN REPLACEMENT BUSINESS CHALLENGE • The MVNE’s legacy IN system was reaching end of life and in the same time end of support contract with their provider. The renewal of the existing contract would have consistently increased the costs and the operational burden due to the fact that the provider evolved from a small vendor into a large global company as an outcome of an acquisition process. The legacy IN included functions such as INSCP, SMS routing and rating and charging (OCS); the platform grew year by year into a more complex one by adding new MVNO specific services therefore the MVNE now wanted to unify it in order to reduce operating costs and be prepared to address new requests coming from MVNOs faster and at a lower cost. • COMPUTARIS CONTRIBUTION • Computarisdelivered a solution on top of Opencloud IN that is now a separate system from the OCS system. The solution covers all existing functionalities but in an improved and more flexible form, allowing the MVNE to launch new services fast and easy; the solution included the following components: • IN SCP based on OpenCloud Rhino Telecom Application Server and OpenCloudSentinel, hosting functional modules responsible for real-time service control logic • IN Integration Layer based on Apache Camel, being single point of interaction between external systems and new IN Platform components • SMS storage • Stirring of roaming CUSTOMER PROFILE The customer is a global MVNE serving customers from several countries from Europe, Asia and America. RESULTS AND BENEFITS The new IN platform enables now the MVNE to easily and cost effectively launch new services, attract the most successful MVNOs and help them become even more successful and create profitable business partnerships with MNOs with lower TCO and maintenance costs.

5. CONVERGENTCHARGING SOLUTION IMPLEMENTATION TO ASIAN MVNO • RESULTS AND BENEFITS • "Delivering unparallel services and user experiences • requires solutions that are innovative, flexible, scalable • and robust. It is essential that the implementation was • entrusted to a company that has extensive experience • and expertise. Highdeal (acquired by SAP in 2009) and Computaris were a perfect fit for XOX.“ Ng Kok Heng, • CEO of XOX CUSTOMER PROFILE AND BUSINESS CHALLENGE • XOX SdnBhd, Asia’s first next generation regional integrated telecommunications service provider, wanted to target the local Chinese community in Malaysia by delivering unparallel services and user experiences by deploying aninnovative, flexible, scalable and robust solution. “It is essential that the implementation is entrusted to a company that has extensive experience and expertise,” explained Ng Kok Heng, CEO of XOX. To reach the local Chinese community XOX wanted to offer a full suite of prepaid, 3G and GPRS value added services, all packaged and marketed under the XOX brand. COMPUTARIS CONTRIBUTION • Computaris built a solution based on Highdeal’s (acquired by SAP in 2009) world leading pricing and rating platform and Teligent Telecom’s state-of-the-art solution for IN and value added services. In close collaboration with Highdeal and Teligent Telecom, Computaris worked out a sophisticated and tailored telecom solution enabling XOX to target and exploit the local market. XOX’ new state of the art platform can be configured to support a wide range of telecom services such as: collect call, ring back tone, voice mail, missed call alert, prepaid calling cards, IN number translation, access screening, Mobile VPN, televoting, SMSC, SMS router, and more.

6. IN PREPAID SOLUTION IMPLEMENTATION TO DUTCH BASED MVNE BUSINESS CHALLENGE • Unify Mobile wanted to implement a new generation pre-paid solution in a very short timeframe, as their pan European MVNO IN platform of choice. • COMPUTARIS CONTRIBUTION • Unify Mobile chose Computaris IN Prepaid Platform due to its advanced features but also because of Computaris’ commitment to respect the very tight deadline from project start to User Acceptance Tests. • Some of the advanced features required and delivered include: • Real-time prepaid control for voice Calls • Configurable Rating Engine • Subscription and Account Management • Real-time control of Voice, SMS and data services • Real-time rating and charging with support for free counters, bundles • and periodic charges • Support for multi-MSISDN and multi-IMSI subscriptions • Multi-currency and multi-language • MVNO segmentation • Flexible Voucher Management Server with support for traditional (scratch cards) • and electronic vouchers • Customer Self Care solution based on USSD codes • Future-proof and open platform based on JAIN/SLEE architecture and OpenCloud CUSTOMER PROFILE Unify Mobile was a Dutch based company created by telecom veterans from the Netherlands (now part of Roamware) planning to become a leading Pan-European MVNO specializing in Roaming services for Switzerland, Lichtenstein, Germany and Holland. RESULTS AND BENEFITS “We, at Unify Mobile are excited about how Computaris contributed to reach new customer segments, boost our service offering and customer experience much further, as we can now easily and cost efficiently deploy new services on the IN Prepaid open platform they delivered”, said Tomasz Gniewek, Unify Mobile CIO.

7. BSA PROCESSING TOOL SOLUTION DEPLOYMENT – MANAGING A CRISIS SITUATION CUSTOMER PROFILE AND BUSINESS CHALLENGE Our customer, a global leading mobile broadband specialist had a considerable delay and was facing disaster in a multi-million dollar project. They had to implement a system for localization services that would improve public safety by reducing localization time for 911 calls at a leading US mobile operator. The delay was caused by the fact that our customer had initially signed a contract with a third party to deliver a complex and critical software component for this project, the BSA Processing Tool and after 2 years the progress was still very slow, the components already delivered had a very low quality and the deadline for the project was approaching rapidly. COMPUTARIS CONTRIBUTION • Computaris was requested to build the solution from ground zero, our client expecting us to deliver in less than 4 months what their previous supplier couldn’t deliver in 2 years. The project was split in two phases: • phase one was focused on the delivery of a GUI for cell info visualization • phase two Integration with the new location based services system, upload and rollback mechanisms implementation • Referring to technology, we used Java J2EE as main development language for Oracle Database and Vaadin that uses Google Web Toolkit for GUI framework building and most of the work was done offsite, this significantly reducing the total cost of the project. • RESULTS AND BENEFITS • “You performed a miracle here, it was thesmarter move we could have done to change the supplier on the last 100 meters” stated our customer’stechnical counterpart.

8. PRODUCT DEVELOPMENT: PCRF SOLUTION DEVELOPMENT CUSTOMER PROFILE AND BUSINESS CHALLENGE • Our customer, a global mobile broadband specialist, was deploying for a leading US operator their product, a 3GPP compliant Policy and Charging Rules Function on top of a AAA platform; ongoing customizations were requested by the operator and our client’s R&D team was overloaded and unable to cover all requests in due time. • COMPUTARIS CONTRIBUTION • Computaristeam was asked to take over development and later on • maintenance and support for the customizations that were required by the operator. Computariswas involved in this complex project from the initial phases through to final acceptance and maintenance and support, our involvement including: RESULTS AND BENEFITS The solution now gives to the mobile operator advanced capabilities for dynamic tariff management, bill shock, fair usage, service limited pass and prioritization, enabling him to use the PCR to offer multiple services, enhanced QoS levels and changing rules. Additionally, it enables the marketing department to be agile and adaptive based on the dynamic feedback obtained from the customer base. They can now test the effectiveness of the data plans launched towards their 30 million subscribers, by having the option to divide them in control groups and target groups. • Analysis of customer requirements together with our customer’s team • Network Directory Server schema design and implementation • System configuration, integration, migration, deployment, configuration, validation and monitoring • Onsite and offsite support for UAT testing in the mobile operator’s test environment • Maintenance and support • Software development, ongoing customization of the existing system, based on CRs

9. PRODUCT DEVELOPMENT – DEVICE MANAGEMENT SOLUTION DEVELOPMENT CUSTOMER PROFILE AND BUSINESS CHALLENGE • Our customer is one of the pioneering innovators in prepaid technology. He successfully delivered customized mobile software solutions covering prepaid charging, device management, collect call services, USSD services, loyalty management, etc. Their existing device management product reached the end of lifecycle after 5 years; The solution was installed at 50+ operators worldwide and faced a couple of challenges as the market evolved very fast and our customer decided to invest in a completely new device management product RESULTS AND BENEFITS • The customer was able to launch the new version of the device management solution in less than 1 year after project kick off. The solution is now able to handle more subscribers (an increase of 50%) and it is more flexible for integration with the operators' systems; its features are more intuitive and it is ready to be extended for nowadays business cases (especially the ones from smartphones dynamic sector). Currently there are ~20 live installations and another 30 to come, the biggest one having 80 million subscribers. CUSTOMER PROFILE AND BUSINESS CHALLENGE • We had a multi supplier setup with multiple major releases in over 2 years, an expert team of 25 engineers and thousands of man days of development. The product was deployed gradually to operators worldwide and Computaris provided support for system integration, UAT, post delivery support, production third level 24h support.

10. SYSTEM INTEGRATION – E2E POLICY MANAGEMENT SOLUTION DEVELOPMENT • COMPUTARIS CONTRIBUTION AND SOLUTION • The solution delivered is sufficiently flexible and extensible to achieve the Operator’s business objectives and vision and is based on: • Policy Controller with highly extensible and flexible policy rules engine that allows making policy decisions on per-subscriber, per-session basis subscriber’s usage behavior patterns • Policy Traffic Switches responsible for inspecting and shaping the traffic to effectively enforce application aware policy rules • Subscriber Policy Broker which keeps track of the subscriber identity mapping and collects statistical data to provide rich reporting and analytical capabilities CUSTOMER PROFILE AND BUSINESS CHALLENGE Our customer, a major Central European Tier 1 Operator with over 13 millions prepaid and post paid customers wanted to implement a Policy Management solution that would enable them to launch innovative, flexible offerings for data services, optimize the existing network capacity and ensure fair usage in an adaptive, real-time manner, gain a better insight into subscriber’s usage behavior patterns.

11. HTTP TRAFFIC OPTIMIZATION PoC TO ENHANCE CUSTOMER QUALITY OF EXPERIENCE CUSTOMER PROFILE AND BUSINESS CHALLENGE • The end customer is a fast growing Eastern European operator that operates 3G and LTE mobile network and has 10 million customers with 44% postpaid subscribers; 70% of the customers that change their operator choose now this operator on the market it operates, as it promotes itself through the message “the fastest and most reliable network on the market” concept. The operator realized that HTTP data optimization was a way to ensure better Quality of Experience for its Customers, especially in avoiding drop in service quality when roaming back from LTE to 3G or when the network congestion occurred. The operator considered that potential Gbps data savings must be achieved without negative influence on end user satisfaction. RESULTS AND BENEFITS • The PoC project shown visible enhancement in the Quality of Experience supported by the proposed solution: • More reliable video streaming, meaning faster start, less buffering and stalling • Quicker Web page download times COMPUTARIS CONTRIBUTION Computaris proposed a complete HTTP traffic optimization solution based on Openwave Mobility commercial products. The proposed platform covers sophisticated TCP, HTTP, Audio and Video optimization features; it provides advanced caching mechanisms, adds network congestion awareness and enables new business opportunities with subscriber engagement enablement. Operators can also benefit from additional data traffic analysis and reporting capabilities.

12. DIGITALROUTE MEDIATION SOLUTION UPGRADE AND SUPPORT CUSTOMER PROFILE AND BUSINESS CHALLENGE • The customer is the Eastern European subsidiary of a leading tier one mobile network operator (MNO) that operates GSM, UMTS and LTE-based cellular networks in Europe, Canada and US. In 2012, Computaris was chosen by the operator for a complex migration project of Digital Route MediationZone® platform that was being upgraded from version 5.0 to 5.1, including transition of both software and hardware components. On top of this, Computaris was entrusted with the Support & Maintenance contract for the complete mediation platform. The platform was the key system for serving the mobile customer base of approximately 15 million users.it was crucial to perform seamless migration in a very short timeframe (4 month period) and to establish an effective Support & Maintenance process and team in less than 3 months. COMPUTARIS CONTRIBUTION Computaris succeeded in fulfilling all objectives of this challenging project. We managed to establish in a very short period highly skilled and efficient project and support teams and the proposed migration strategy proved to be 100% reliable and secure from the customer’s perspective, despite technical complexity of the legacy architecture. Furthermore, the Support & Maintenance services, governed by very strict Service Level Agreement terms, have been in place since day one without breaching contractual terms. RESULTS AND BENEFITS • The technical goals of upgrading the mediation platform were successfully met, while the mobile operator’sbusiness continued absolutely unimpaired. The operator appreciated the phase-based approach for combining the advantages of traditional systematic analysis, effectively reducing project risks with time and cost efficiency of the lightweight project management methodology.

13. ORGA SYSTEMS CONVERGENT BILLING SYSTEM DEPLOYMENT CUSTOMER PROFILE AND BUSINESS CHALLENGE • Orga Systems is the leading expert in mission critical, real-time convergent billing. Its products enable international telecommunication companies to rate, charge and bill any service for prepaid, postpaid and hybrid subscribers. • For the deployment of Orga Systems’ convergent billing system to a mobile operator in CIS, a near-shore system integration services partner was required. RESULTS AND BENEFITS • “Orga Systems provides convergent billing solutions to mobile operators. I’m excited about the professional contributions from Computaris to configure and deliver our convergent billing product OPSC Gold according to the customer needs.” Ferdinand Herrmann, Head of System Integration, Orga Systems COMPUTARIS CONTRIBUTION • Computarisoffered two teams of highly skilled specialists with appropriate telecom system integration experience responsible for development, configuration and testing in successive shipment phases. Both teams were coordinated by the Computaris local line manager, who ensured team unity and an efficient resource management. Working both on and off-site as the process required, the teams were able to easily and efficiently adapt to the customer’s product and processes, whilst optimizing overhead expenses. Using previous rating and charging experience, the Computaris team was able to integrate to the client’s organization in less than two months and became fully efficient.

14. TOP TESTING SUITE – MEDIATION SOLUTION UPGRADE CUSTOMER PROFILE AND BUSINESS CHALLENGE • The customer is the Eastern European subsidiary of a leading tier one mobile network operator (MNO) that operates GSM, UMTS and LTE-based cellular networks in Europe, Canada and US. As part of a complex migration project we were delivering, Digital Route’s MediationZone system had to be upgraded to the latest version and to another server. There were a few network elements (SGSN, GGSN, etc) that were sending messages over Diameter to the mediation solution. During the migration project Computaris had to check if all messages were being decoded and processed in the same way on both versions of the mediation solution. RESULTS AND BENEFITS • The migration process was significantly faster and was successfully finished in due time; Furthermore the operator is now using the tool for additional testing activities as he acknowledged TOP Testing Suite’s value and capability to reduce the time to market and the costs associated to testing new products, product enhancements and validation of deployment/system integration services. COMPUTARIS CONTRIBUTION • Computaris captured the traffic from all the systems and stored it as PCAP files. TOP Testing Suite Diameter Plugin gave us the possibility to load diameter messages from PCAP files directly into JMetertestplans, minimizing our testing efforts and assuring a safe migration. We commenced the process by analyzing those protocol dumps and saving filtered messages in files dedicated for specific test cases; Creating messages in Computaris TOP Testing Suite was just 5 clicks away and could be done extremely easy and fast.

15. TOP TESTING SUITE – REGRESSION TESTING • CUSTOMER PROFILE AND BUSINESS CHALLENGE • The customer is the American subsidiary of a leading Tier 1 mobile network operator (MNO) that operates GSM, UMTS and LTE-based cellular networks in Europe, Canada and US. The customer had a series of regression tests that needed to be quickly and efficiently executed, more specific: • While performing regression tests in the provisioning system (which was using Web Services to provision data and partners) there was a need to efficiently provision data in the system prior to test • While performing regression tests in the PCRF system there was a need to rapidly trigger all the flows in order to tests the PCRF system • While performing regression tests in the data metering system there was a need to trigger all the flows in order to test the data metering system COMPUTARISCONSTRIBUTION • For the first scenario (provisioning system regression tests) a JMeter LDAP Sampler was used to provision database data. • For the second scenario (PCRF regression tests) TOP Testing Suite Diameter Sampler was used as an entry point into the system and the JMeter Soap Sampler was used to trigger notifications from the provisioning system into PCRF system in order to cover • all the business flows. • For the third scenario (data metering regression tests) TOP Testing Suite Diameter Sampler was also used as the entry point and the JMeter LDAP Sampler was used to verify that all data are provisioned correctly into the system. RESULTS AND BENEFITS • Computaris TOP Testing Suite increased the effectiveness of the operator’s testing • activities - every time the systems are upgraded/modified, the existing flows are • automatically tested, significantly reducing the time allocated to testing activities.

16. ABOUT COMPUTARIS Computaris, an R Systems business, specializes in SYSTEM INTEGRATION, BSS TECHNICAL CONSULTANCY and SOFTWARE DEVELOPMENT for software vendors and communication services providers (CSPs) worldwide. We offer telecom expertise in the area of real-time rating and charging, messaging, legacy IN and application servers, value added services, JAIN SLEE technology, provisioning, mediation, subscriber data management, mobile broadband data policy management, device management, loyalty and churn management. ASK OUR EXPERTS: asktheexpert@computaris.com