Nex-G Innovations

Telecom VAS - Training & Certification

The objective of this training is to provide participants with comprehensive, industry-oriented knowledge of Telecom Value Added Services (VAS), covering VAS architecture, SMS, USSD, MMS, IVR, messaging, service platforms, signaling protocols, charging and billing, provisioning, subscriber management, APIs, CPaaS, cloud-based services, 4G/5G VAS, security, monitoring, troubleshooting, and service deployment.

The program aims to develop practical skills required to design, integrate, operate, troubleshoot, secure, and manage end-to-end VAS solutions while understanding their business models, monetization strategies, and real-world telecom operator use cases.


Training Code: NES_SK_1049

Duration: 40 Hrs/ 4 Weeks / Customized

Mode: Corporate (Instructor Led - Online / Offline / Onsite), Individual (Instructor Led - Online / Offline)

Certification: Certified VAS Professional

+91-8826900551

Module 1 – Introduction to Telecom VAS & VAS Ecosystem

  • What is Telecom VAS?
  • VAS vs. Basic Telecom Services
  • Evolution of Telecom VAS
  • 2G/3G VAS ecosystem
  • 4G/LTE VAS ecosystem
  • 5G VAS ecosystem
  • Operator, aggregator, content provider and enterprise roles
  • VAS service lifecycle
  • B2C, B2B and B2B2C VAS
  • Telecom VAS business models
  • Revenue sharing and monetization

Module 2 – Telecom Network Architecture for VAS

  • GSM network architecture
  • GPRS/3G packet core overview
  • IMS architecture
  • LTE/EPC architecture
  • 5G Core architecture
  • HLR/HSS/UDM
  • MSC, SGSN, GGSN, PGW, SGW
  • SMSC and related network elements
  • VAS platform integration points
  • Subscriber databases
  • Service delivery architecture
  • VAS traffic flow

Module 3 – SMS, MMS & Messaging VAS

  • SMS architecture
  • MO-SMS and MT-SMS
  • SMSC architecture
  • SMPP protocol
  • SMPP clients and bind types
  • SMS Gateway
  • SMS Firewall
  • SMS routing
  • International SMS
  • 2P and P2P messaging
  • OTP services
  • Bulk SMS
  • SMS campaigns
  • MMS architecture
  • Delivery reports
  • Message queuing
  • SMS fraud and spam protection

Module 4 – USSD & Interactive VAS Services

  • USSD fundamentals
  • USSD architecture
  • USSD Gateway
  • SS7-based USSD
  • MAP protocol
  • USSD session management
  • USSD menus
  • Interactive applications
  • Banking and mobile-money USSD
  • Balance enquiry
  • Recharge services
  • Customer self-care
  • USSD application integration
  • USSD troubleshooting

Module 5 – IVR, Voice VAS & Call-Based Services

  • IVR fundamentals
  • IVR architecture
  • IVR Gateway
  • Media servers
  • SIP and RTP
  • Voice prompts
  • DTMF
  • Call routing
  • Call forwarding
  • Missed-call alerts
  • Voice portals
  • Call completion services
  • Conference services
  • Voice-based customer care
  • Text-to-Speech and Speech-to-Text
  • AI-enabled voice VAS

Module 6 – VAS Platforms, Gateways & Service Nodes

  • VAS platform architecture
  • Service Delivery Platform (SDP)
  • Service Control Point (SCP)
  • Application Server
  • SMS Gateway
  • USSD Gateway
  • IVR Gateway
  • Content Gateway
  • API Gateway
  • Service orchestration
  • Middleware
  • Database architecture
  • High availability
  • Load balancing
  • Clustering
  • Disaster recovery

Module 7 – Signaling & Telecom Protocols for VAS

  • SS7 fundamentals
  • Signaling architecture
  • SCCP
  • TCAP
  • MAP
  • CAP
  • INAP
  • Diameter overview
  • SIP
  • RTP
  • SMPP
  • HTTP/HTTP
  • REST APIs
  • SOAP
  • SIGTRAN
  • M3UA
  • SCTP
  • Protocol message flows
  • Wireshark-based protocol analysis

Module 8 – Charging, Billing & Revenue Management

  • Telecom charging concepts
  • Online vs. offline charging
  • Prepaid and postpaid
  • IN-based charging
  • Online Charging System (OCS)
  • Rating and tariff management
  • CDR generation
  • CDR mediation
  • Billing integration
  • Revenue assurance
  • VAS subscription charging
  • Recurring subscriptions
  • Pay-per-use services
  • Revenue sharing
  • Fraud detection

Module 9 – Provisioning, Subscriber Management & CRM Integration

  • Subscriber lifecycle
  • Service activation
  • Service deactivation
  • Provisioning systems
  • HLR/HSS/UDM integration
  • CRM integration
  • Product catalog
  • Subscriber segmentation
  • Consent and subscription management
  • Service eligibility
  • Campaign management
  • Self-care systems
  • Customer notification

Module 10 – Content, Entertainment & Digital VAS

  • Mobile content services
  • Music VAS
  • Video VAS
  • News and information services
  • Caller tunes
  • Ring-back tones
  • Mobile games
  • Astrology and infotainment
  • Location-based services
  • Mobile advertising
  • Digital subscriptions
  • Content aggregation
  • Digital rights management
  • Content monetization

Module 11 – API, OTT, Cloud & 4G/5G VAS

  • API-driven telecom services
  • Telecom Open APIs
  • RESTful architecture
  • API Gateway
  • Authentication and authorization
  • OAuth 2.0
  • Webhooks
  • CPaaS
  • Cloud-based VAS
  • Microservices
  • Containerized VAS platforms
  • Telecom exposure APIs
  • Network APIs
  • 4G/VoLTE VAS
  • IMS Application Servers
  • 5G Network Exposure Function
  • Network slicing-enabled services
  • Edge-enabled VAS

Module 12 – VAS Security, Monitoring & Troubleshooting

  • VAS security architecture
  • Signaling security
  • SS7 vulnerabilities
  • SMS fraud
  • SMS spoofing
  • USSD security
  • API security
  • Authentication
  • Authorization
  • Encryption
  • DDoS protection
  • Firewall and signaling firewall
  • Fraud management
  • Application monitoring
  • KPI and SLA monitoring
  • Log analysis
  • Alarm management
  • Incident management
  • Troubleshooting methodology

Module 13 – VAS Service Design, Deployment & Operations

  • VAS requirement analysis
  • Service design
  • High-level architecture
  • Low-level design
  • Capacity planning
  • Traffic estimation
  • Hardware/software sizing
  • Integration planning
  • Test strategy
  • Functional testing
  • Integration testing
  • Performance testing
  • UAT
  • Production deployment
  • Rollback planning
  • Change management
  • Operations and maintenance
  • SLA/KPI management

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