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Quest Training

Telecom Value-Added Services (VAS): Systems Architecture & APIs Training Course

Equips telecom professionals to design, integrate and operate secure, scalable VAS platforms using APIs, service orchestration and cloud-native models.

TOSS · Telecom OSS, BSS & Service ManagementAll Levels#3063ClassroomEnglish , Arabic
Duration
10 Days
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Free substitution at any time · 30+ days' notice: full refund minus 10%. Cancellation policy

Sectors:Telecommunications & Satellite TechnologyCategories:Telecom OSS, BSS & Service Management

Course Overview

The Telecom Value-Added Services (VAS): Systems Architecture & APIs Training Course provides telecommunications professionals with the technical knowledge and architectural skills required to design, integrate, operate, and enhance value-added services across modern telecom environments. The programme examines how VAS platforms interact with mobile network infrastructure, customer management systems, charging platforms, digital channels, and third-party service providers to deliver reliable, scalable, and commercially sustainable telecommunications services. The course explores the architecture of messaging, USSD, interactive voice response (IVR), subscription services, digital content platforms, and API-enabled telecom solutions. Participants examine service delivery models, integration patterns, application interfaces, and communication protocols, developing a practical understanding of how telecommunications operators and service providers connect business applications with network capabilities. Particular attention is given to RESTful APIs, API gateways, service orchestration, microservices, and industry initiatives such as TM Forum Open APIs and GSMA Open Gateway and CAMARA. A central focus of the Telecom VAS Systems Architecture and APIs Training Course is the design of secure, interoperable, and high-performing service platforms. Participants explore authentication, authorization, data protection, transaction processing, charging integration, service availability, and performance monitoring. These capabilities are essential for organizations managing increasing service volumes, integrating external platforms, modernizing legacy systems, and maintaining consistent customer experiences across multiple communication channels. The programme also addresses operational reliability, integration testing, troubleshooting, cloud-native deployment models, and service lifecycle management. Through practical technical exercises, participants learn to evaluate architectural alternatives, diagnose interface failures, define integration requirements, and develop implementation plans. The course supports telecommunications operators, government communication entities, technology providers, and large organizations seeking to strengthen digital service delivery, improve integration efficiency, and build a sustainable foundation for future telecom services.

Learning Objectives

  • Analyze the telecommunications value-added services ecosystem, identifying the roles of mobile network operators, aggregators, application providers, and supporting platforms.
  • Design high-level VAS system architectures that align business requirements with network capabilities, integration dependencies, scalability, and availability requirements.
  • Evaluate telecom integration technologies, communication protocols, and API approaches to select appropriate solutions for different service delivery scenarios.
  • Develop RESTful API specifications covering endpoints, request and response structures, authentication requirements, error handling, and version management.
  • Apply appropriate integration patterns to connect VAS platforms with SMSC, USSD gateways, IVR systems, CRM platforms, charging systems, and external applications.
  • Assess API security and data protection requirements, implementing suitable authentication, authorization, encryption, access control, and monitoring measures.
  • Design subscription, charging, and billing integration workflows that support accurate transaction processing, reconciliation, and revenue assurance.
  • Implement structured testing and troubleshooting approaches to identify interface failures, message delivery issues, performance bottlenecks, and interoperability problems.
  • Evaluate high-availability, scalability, monitoring, and disaster recovery requirements for reliable telecom service operations.
  • Develop an implementation roadmap covering architecture, API integration, security, testing, deployment, operational readiness, and continuous service improvement.

Who Should Attend

This course is designed for telecommunications professionals responsible for designing, integrating, managing, and optimizing value-added services and digital telecom platforms. Relevant participants include telecom network engineers, VAS engineers, systems architects, solution architects, API developers, integration engineers, software engineers, application support specialists, and technical project managers. It is particularly relevant to professionals working with messaging platforms, USSD services, IVR systems, subscription management, digital content services, telecom gateways, and operator-facing application platforms. The programme also benefits IT and technology managers, telecom operations managers, enterprise architects, digital transformation leaders, product managers, and technical consultants involved in telecom service modernization. Professionals responsible for API management, platform engineering, cloud infrastructure, cybersecurity, charging systems, billing integration, CRM connectivity, and service assurance will gain practical insight into the relationships between telecom architecture and business service delivery. Senior technical decision-makers, programme managers, and department heads within mobile network operators, telecommunications service providers, government communication organizations, telecom technology vendors, and large enterprises can use the course to strengthen architectural oversight, improve integration planning, evaluate technical solutions, and coordinate cross-functional implementation activities. Participants should ideally have a basic understanding of telecommunications networks, IT systems, or software integration concepts.

Learning Outcomes

  • Map the principal components of a telecom VAS ecosystem and explain how network infrastructure, service platforms, and business applications interact.
  • Produce a high-level architecture diagram showing the interfaces and dependencies required to deliver a selected value-added service.
  • Compare RESTful APIs, messaging interfaces, and relevant telecom integration approaches according to functional and operational requirements.
  • Prepare an API specification containing endpoint definitions, data formats, authentication mechanisms, response codes, and error-handling rules.
  • Define integration requirements for messaging, USSD, IVR, subscription management, CRM, charging, and external service platforms.
  • Identify API security weaknesses and recommend controls for authentication, authorization, encryption, rate limiting, and sensitive data handling.
  • Document a subscription and charging workflow, identifying transaction events, system interfaces, and reconciliation checkpoints.
  • Diagnose common integration failures using API responses, application logs, message flows, monitoring metrics, and root cause analysis techniques.
  • Recommend appropriate scalability, availability, monitoring, backup, and recovery measures for a VAS production environment.
  • Prepare a practical technical implementation plan with architecture deliverables, integration milestones, testing requirements, security controls, and operational acceptance criteria.

Course Outline

Day 1

Telecom Value-Added Services Fundamentals and Business Architecture

  • Evolution of value-added services and their role in telecommunications business models.
  • VAS categories, including SMS, USSD, IVR, voicemail, multimedia messaging, digital content, and subscription services.
  • Roles of mobile network operators (MNOs), mobile virtual network operators (MVNOs), aggregators, service providers, and technology vendors.
  • VAS service lifecycle: business requirements, service design, provisioning, launch, monitoring, and retirement.
  • Subscription models, customer journeys, service monetization, and key performance indicators.
  • Practical application: Map the business and technical requirements for launching a new VAS, identifying stakeholders, platform dependencies, customer interactions, and operational responsibilities.
Day 2

Telecom Network Architecture and VAS Platform Integration

  • Overview of mobile network architecture and the relationship between access networks, core networks, and service platforms.
  • VAS integration with 2G, 3G, 4G/LTE, and 5G environments, including relevant architectural differences.
  • Architecture and functions of SMSC, USSD gateways, IVR platforms, messaging systems, and application servers.
  • Signaling concepts, service interfaces, gateway connectivity, and network exposure capabilities.
  • Integration dependencies involving CRM, subscriber databases, customer care, provisioning, and operational support systems.
  • Practical application: Develop a high-level architecture diagram illustrating the connection between an operator network, a VAS platform, and supporting enterprise systems.
Day 3

VAS Systems Architecture and Application Design

  • Functional decomposition of VAS platforms, including service logic, orchestration, business rules, and workflow management.
  • Monolithic, service-oriented, and microservices architectures: characteristics, trade-offs, and suitable use cases.
  • Synchronous and asynchronous communication, event-driven processing, queues, and message delivery workflows.
  • Service scalability, capacity planning, load distribution, fault tolerance, and high availability.
  • Interface contracts, data models, component dependencies, and architectural documentation.
  • Practical application: Design a scalable VAS architecture for a defined messaging or subscription service, specifying core components, communication patterns, availability requirements, and integration boundaries.
Day 4

Telecom APIs, Standards, and Integration Management

  • API fundamentals, HTTP methods, status codes, JSON, XML, and RESTful API design principles.
  • API specification, endpoint design, request and response schemas, validation, and error handling.
  • API lifecycle management, versioning, documentation, publication, deprecation, and backward compatibility.
  • API gateways, developer portals, service discovery, traffic management, and integration governance.
  • Introduction to TM Forum Open APIs and GSMA Open Gateway and CAMARA initiatives.
  • Practical application: Design an API specification for a telecom service, including endpoints, sample payload structures, authentication requirements, error responses, and versioning rules.
Day 5

Messaging, USSD, IVR, and Omnichannel Service Delivery

  • SMS architecture, SMSC integration, message routing, delivery receipts, and delivery failure handling.
  • SMPP protocol fundamentals and application-to-person (A2P) messaging integration.
  • USSD session management, gateway connectivity, menu design, session limits, and timeout handling.
  • IVR application architecture, call flows, voice interactions, and backend service integration.
  • Omnichannel service delivery across SMS, USSD, voice, mobile applications, and web platforms.
  • Practical application: Design an omnichannel customer notification or subscription workflow, showing service interactions, API calls, message routing, failure handling, and customer response paths.
Day 6

Charging, Billing, and Subscription Management

  • Prepaid and postpaid charging concepts and the roles of online and offline charging systems.
  • Integration with Online Charging Systems (OCS), billing platforms, mediation systems, and customer account systems.
  • Subscription activation, renewal, suspension, cancellation, expiry, and lifecycle event processing.
  • Charging events, rating data, usage records, transaction identifiers, and billing reconciliation.
  • Revenue assurance, duplicate charging prevention, transaction consistency, and common billing discrepancies.
  • Practical application: Develop a charging and subscription workflow for a paid VAS, identifying system interfaces, transaction checkpoints, failure scenarios, and reconciliation requirements.
Day 7

API Security and Telecom Data Protection

  • API threat modelling and common risks associated with exposed telecom service interfaces.
  • Authentication, authorization, OAuth 2.0, OpenID Connect, token management, and access control.
  • Transport security, encryption, secret management, and secure handling of subscriber and transaction data.
  • Rate limiting, throttling, abuse prevention, and denial-of-service mitigation.
  • Privacy, consent management, data minimization, and applicable information protection requirements.
  • Practical application: Assess a sample VAS API for security weaknesses and develop a prioritized remediation plan covering identity controls, data protection, traffic restrictions, logging, and monitoring.
Day 8

Integration Testing, Troubleshooting, and Performance Optimization

  • Integration engineering, interface contracts, data mapping, message transformation, and schema validation.
  • API functional testing, integration testing, end-to-end testing, regression testing, and acceptance criteria.
  • Test environments, simulators, mock services, test data, and controlled failure scenarios.
  • Troubleshooting API errors, timeouts, failed requests, message delivery problems, and inconsistent transaction records.
  • Distributed tracing, log analysis, monitoring metrics, performance testing, and root cause analysis.
  • Practical application: Investigate a simulated VAS integration failure using API responses, system logs, and message-flow records, then document the root cause, corrective actions, and regression tests.
Day 9

Cloud-Native Architecture, Service Reliability, and Operations

  • On-premises, cloud, and hybrid deployment models for telecom service platforms.
  • Containerization, orchestration, microservices deployment, and release management concepts.
  • Horizontal scaling, load balancing, caching, asynchronous processing, and capacity management.
  • High availability, redundancy, backup, disaster recovery, and service continuity planning.
  • Service-level agreements (SLAs), service-level indicators (SLIs), service-level objectives (SLOs), and operational dashboards.
  • Practical application: Develop an operational design for a high-volume VAS platform, specifying monitoring requirements, scaling mechanisms, availability controls, recovery procedures, and incident escalation responsibilities.
Day 10

End-to-End VAS Solution Design and Implementation Planning

  • Translating business requirements into functional specifications and technical architecture.
  • Developing end-to-end architecture diagrams, API contracts, interface inventories, and system dependency maps.
  • Evaluating integration readiness, technology options, vendor solutions, and build-versus-buy decisions.
  • Planning implementation phases, migration activities, deployment controls, and change management.
  • Defining technical acceptance criteria, security validation, performance testing, and operational handover requirements.
  • Final workshop: Prepare and present an end-to-end VAS solution proposal covering business requirements, system architecture, APIs, integration workflows, charging, security, testing, deployment, monitoring, and operational support, supported by a prioritized implementation roadmap.

Upcoming Dates

Selected date

Singapore · 29 Mar – 9 Apr 2027 · Classroom

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BarcelonaScheduled
16 – 27 Nov 2026€10,200—
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BarcelonaScheduled
23 Nov – 4 Dec 2026€10,200€9,180until 2 Nov
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AmsterdamScheduled
28 Dec 2026 – 8 Jan 2027€10,200€9,180until 7 Dec
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MadridScheduled
25 Jan – 5 Feb 2027€10,200€9,180until 4 Jan
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DubaiScheduled
28 Feb – 11 Mar 2027€8,000€7,200until 8 Feb
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SingaporeScheduled
29 Mar – 9 Apr 2027€15,500€13,950until 8 Mar
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Kuala LumpurScheduled
3 – 14 May 2027€8,000€7,200until 12 Apr
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Available in: Dubai · Amsterdam

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