# Telness Tech > Telness Tech builds Seamless OS - a modern, cloud-native telecom operating system that enables mobile operators, MVNOs, and telco challengers to launch and run digital telecom services with speed and simplicity. Telness Tech is a B2B software company headquartered in Stockholm, Sweden. Founded in 2016 by former Telenor executive Martina Klingvall, the company was born from the experience of building and operating Telness - a fully digital Swedish MVNO that became the highest-rated mobile operator in Europe (4.8 on Trustpilot). The platform powering Telness was productised into Seamless OS and made available to operators worldwide. Telness Tech's engineering team includes talent from companies such as Klarna, Tink, and Spotify. Seamless OS is live and battle-proven, powering operators across Europe and North America. ## Important pages **Platform** - Homepage: https://telnesstech.com - FAQ: https://telnesstech.com/faq - Partners: https://telnesstech.com/partners - About us: https://telnesstech.com/about-us - Contact: https://telnesstech.com/contact - LinkedIn: https://www.linkedin.com/company/telness-tech **Features** - Workflows: https://telnesstech.com/features/workflows - Product Catalog: https://telnesstech.com/features/bundles - AI: https://telnesstech.com/features/ai - AI Agent: https://telnesstech.com/features/ai-agent - Insights: https://telnesstech.com/features/insights - Notifications: https://telnesstech.com/features/notifications **Use cases** - Migrate your operator: https://telnesstech.com/migrate-your-operator - Launch an MVNO: https://telnesstech.com/launch-an-mvno - Seamless from the start: https://telnesstech.com/seamless-from-the-start - Add revenue streams: https://telnesstech.com/add-revenue-streams-to-your-business - Customer engagement: https://telnesstech.com/customer-engagement - ISP & Broadband: https://telnesstech.com/use-cases/isp-bundle-mobile-connectivity **Developers** - Developer Portal: https://docs.telnesstech.com - API Reference: https://docs.telnesstech.com/api-reference **News & Awards** - News & Media: https://telnesstech.com/news-media - How API-only vendors push complexity to you: https://telnesstech.com/news-media/how-api-only-vendors-push-complexity-to-you - Spotify for telecom (Dagens Industri): https://telnesstech.com/news-media/telness-tech-featured-dagens-industri-spotify-of-telecom - Fast Mode Awards 2025 wins: https://telnesstech.com/news-media/seamless-os-wins-cloud-native-network-leader-and-cmo-of-the-year-at-the-fast-mode-awards-2025 - MVNO Nation Award 2025: https://telnesstech.com/news-media/seamless-os-wins-mvno-nation-award-2025 - EFL Venture Fund Award: https://telnesstech.com/news-media/telness-tech-wins-efl-venture-fund-award - Fast Mode Awards 2025 finalists: https://telnesstech.com/news-media/seamless-os-named-finalist-in-four-categories-at-the-fast-mode-awards-2025 ## Features - [Workflows](https://telnesstech.com/features/workflows): Seamless OS includes a no-code workflow engine that automates telecom and business processes end-to-end, including customer onboarding, order handling, service activation, billing events, marketing triggers, and operational tasks. Using a visual drag-and-drop builder, operators can design, configure, and deploy automated workflows without engineering effort. Workflows integrate with internal systems and external partners through APIs and web-hooks, enabling telecom teams to launch services faster, adapt processes instantly, and monitor executions in real time. - [Product catalog](https://telnesstech.com/features/bundles): Seamless OS includes a flexible product catalog that enables operators to create, manage, and sell telecom services and value-added products from a single platform. Operators can bundle and sell mobile plans, travel eSIMs, data packs, streaming services, gaming subscriptions, devices, insurance products, VPN services, cloud storage, and other digital services in configurable offers. The catalog supports product bundles, discounts, multi-line pricing, and partner integrations, allowing operators to launch new offers, build marketplace-style product experiences, and increase ARPU and customer retention without custom development. - [AI](https://telnesstech.com/features/ai): Seamless OS includes a modular, model-agnostic AI layer that integrates with any LLM to automate telecom operations, analyse subscriber and network data, and enable AI-powered customer experiences. The platform supports AI agents to handle customer interactions, including inquiries, top-ups, plan changes, and upsells, while predictive models analyse usage, payment, and engagement data to detect churn risk and trigger retention actions. AI also enables personalised offers, automated sales recommendations, and data-driven product and campaign creation. Through its MCP server, Seamless OS securely connects AI models and autonomous agents to telecom workflows, APIs, and operational tools, enabling intelligent automation across the telecom stack. - [AI agent](https://telnesstech.com/features/ai-agent): Seamless OS includes an agentic AI layer that autonomously handles telecom operations and customer interactions across the platform. AI agents can resolve support inquiries, trigger provisioning and billing actions, manage onboarding and plan changes, and execute upsell or retention workflows without human intervention. The system integrates directly with Seamless OS APIs and workflows, enabling automated service actions, including SIM swaps, troubleshooting, and subscription updates. Built with retrieval-augmented knowledge, multilingual support, and operational safeguards, AI agents help operators scale self-service, reduce support workload, increase ARPU through intelligent recommendations, and gain insights into customer interactions and resolution performance. - [Insights](https://telnesstech.com/features/insights): Seamless OS includes an analytics and reporting module that centralises telecom, customer, and operational data in one platform. Operators can visualise key metrics, including subscriber growth, churn, ARPU, MRR, sales performance, and product adoption, through dashboards and reports. AI-assisted insights allow teams to explore trends and generate custom reports using natural language queries. By combining operational data, customer behaviour, and revenue metrics, the platform helps sales, operations, and finance teams monitor performance, identify opportunities, and make data-driven decisions in real time. - [Notifications](https://telnesstech.com/features/notifications): Seamless OS includes a multi-channel notification engine that enables telecom operators to design, automate, and send customer communications across SMS, email, push, and in-app channels from a single platform. Using a built-in WYSIWYG editor, teams can create, edit, and deploy templates without engineering support. Notifications can be triggered by system events such as activations, renewals, eSIM deliveries, top-ups, purchases, or number porting, and can also be connected to automated workflows. This allows operators to manage consistent, branded communications and update messaging instantly across all channels from within the platform. ## Use cases - [Migrate your operator](https://telnesstech.com/migrate-your-operator): Seamless OS enables telecom operators to migrate from legacy BSS/OSS systems and fragmented vendor stacks to a single cloud-native platform. Telness Tech manages the migration process, including subscriber data, billing records, product configurations, and integrations with network and ecosystem partners. Migrations can typically be completed in weeks, allowing operators to consolidate systems, automate operations, reduce operational overhead, and modernise their telecom infrastructure while continuing to serve customers without disruption. - [Seamless from the start](https://telnesstech.com/seamless-from-the-start): Seamless OS provides a complete, production-ready telecom platform that enables companies to launch and operate connectivity services without building or integrating multiple systems. The platform combines subscriber management, billing, product configuration, automation, and partner integrations in a single cloud-native environment. With built-in integrations and continuous updates managed by Telness Tech, operators can launch quickly, manage services through self-service tools, and scale operations as subscriber volumes and product offerings grow. - [Launch an MVNO](https://telnesstech.com/launch-an-mvno): Seamless OS enables companies to launch and operate branded mobile services quickly using a fully integrated telecom platform. Operators can select connectivity partners or integrate their own network while managing products, customer journeys, billing, and service activation from a single system. With configurable tools, automation, and built-in integrations, teams can design offerings, manage campaigns, and operate an MVNO through self-service capabilities while scaling operations efficiently. - [Add revenue streams](https://telnesstech.com/add-revenue-streams-to-your-business): Seamless OS enables operators and non-telecom companies to add telecom services such as mobile plans and travel eSIM data to their existing products or platforms. Through APIs, businesses can embed connectivity into apps, loyalty programs, and digital services while Telness Tech manages telecom infrastructure and operations. This allows companies to launch new revenue streams, bundle connectivity with existing offerings, and increase customer engagement and retention. - [Customer-engagement](https://telnesstech.com/customer-engagement): Seamless OS enables operators to segment customers based on real-time behaviour such as usage patterns, engagement signals, and service activity. This allows teams to trigger personalised offers, onboarding journeys, upsell campaigns, retention actions, and support interactions automatically. By combining behavioural data, automation, and AI, operators can deliver personalised customer experiences across channels such as apps, SMS, and email while improving conversion rates, reducing churn, and lowering operational overhead. - [ISP & Broadband providers](https://telnesstech.com/use-cases/isp-bundle-mobile-connectivity): Seamless OS enables ISPs and broadband providers to add mobile connectivity to their existing internet offerings, creating bundled services that increase household revenue and ARPU. By combining broadband and mobile plans under a single customer relationship, providers can expand recurring revenue while leveraging their existing customer base, billing relationships, and brand. The platform integrates mobile connectivity into current purchase flows and operational systems, keeping operations simple and aligned with existing business processes. ## Partners Source: https://telnesstech.com/partners Seamless OS is built to work with an operator's existing ecosystem and a broad set of pre-integrated partners across networks, payments, identity, logistics, and value-added services. - [Partners](https://telnesstech.com/partners): Power the next generation of telecom innovation together. Seamless OS is network-agnostic and integrates with a broad ecosystem of pre-integrated partners across connectivity, payments, identity, logistics, and value-added services. **Connectivity partners** Mobile network operators, wholesale providers, MVNAs, and MVNEs that provide the underlying connectivity for MVNOs and digital operators. Through integrations with Seamless OS, partners such as T-Mobile, Telenor, Telia, Tele2, Transatel, MVNOC, and PWG can support MVNO launches at scale while Telness Tech manages integrations, workflows, and operational complexity across the telecom platform. **Tech & platform partners** Ecosystem partners providing complementary capabilities such as payments, tax compliance, eSIM connectivity, logistics (3PL), identity, insurance, AI, and data services that integrate with Seamless OS. Through reseller or referral partnerships, companies such as Stripe, CertaTax, FWC, and Telna extend the platform’s capabilities, helping MVNOs and operators launch faster, automate operations, and grow revenue with a fully integrated telecom platform. **Strategic growth partners** Partnership program for consultants, service integrators, distributors, and MVNO enablers who support operators and brands in launching and growing telecom services. Telness Tech provides a proven, cloud-native platform that enables partners to help clients launch mobile services quickly while earning through referral and revenue-share opportunities. ## API - [Seamless OS Developer Portal](https://docs.telnesstech.com): Access REST API documentation, web-hook references, and integration guides for building on top of Seamless OS. - [API reference](https://docs.telnesstech.com/api-reference): Complete API documentation for the Seamless OS platform - covering billing, subscriptions, payments, and telecommunications services. Our comprehensive REST API enables you to integrate telecom capabilities, manage customers, handle billing, and orchestrate the entire customer lifecycle. ## News & Media - [News & Media](https://telnesstech.com/news-media): News coverage, press releases, and industry commentary about Telness Tech, telecom innovation, and the evolution of digital mobile operators. - [How API-only vendors push complexity to you](https://telnesstech.com/news-media/how-api-only-vendors-push-complexity-to-you): Analysis of the operational challenges of building everything yourself and the advantages of a platform designed for automation from day one. - [Spotify for telecom](https://telnesstech.com/news-media/telness-tech-featured-dagens-industri-spotify-of-telecom): Coverage from Swedish business newspaper Dagens Industri highlighting Telness Tech’s vision of building a digital telecom platform comparable to how Spotify transformed music. ## Awards - [The Fast mode awards 2025 wins](https://telnesstech.com/news-media/seamless-os-wins-cloud-native-network-leader-and-cmo-of-the-year-at-the-fast-mode-awards-2025): Announcement that Seamless OS by Telness Tech was recognised at the Fast Mode Awards 2025 as a leading cloud-native telecom platform, highlighting innovation in digital mobile infrastructure and industry leadership. - [MVNO Nation awards 2025 wins](https://telnesstech.com/news-media/seamless-os-wins-mvno-nation-award-2025): Coverage of Seamless OS receiving an MVNO Nation Award for innovation in telecom platforms, recognising its role in enabling operators to launch and operate modern mobile services. - [EFL venture fund wins](https://telnesstech.com/news-media/telness-tech-wins-efl-venture-fund-award): Announcement that Telness Tech received the EFL Venture Fund Award, recognising the company’s growth, innovation, and impact in the telecom technology sector. - [The Fast mode awards 2025 finalists](https://telnesstech.com/news-media/seamless-os-named-finalist-in-four-categories-at-the-fast-mode-awards-2025): News that Seamless OS was shortlisted as a finalist in four categories at the Fast Mode Awards 2025, highlighting the platform’s innovation in cloud-native telecom infrastructure. ## Frequently Asked Questions Source: https://telnesstech.com/faq **What is Seamless OS?** Seamless OS is a cloud-native telecom platform that enables companies to launch, operate, and scale connectivity services. It provides all the capabilities needed to run a telecom operator, including customer management, billing, provisioning, product configuration, and integrations with network and ecosystem partners. The platform is designed to automate telecom operations, reduce operational complexity, and allow operators to launch and grow services quickly. Seamless OS is built on the experience of running a telecom operator, combining automation, self-service configuration, and an integrated technology stack to support the full lifecycle of a connectivity business. **Is Seamless OS a full BSS/OSS platform?** Yes. Seamless OS provides the full set of BSS and OSS capabilities needed to launch and operate telecom services. It combines commercial and operational functionality in a single cloud-native platform, enabling operators to manage customers, products, billing, and service provisioning while integrating with network and ecosystem partners. **Who is Seamless OS built for?** Seamless OS is built for companies launching or operating telecom services. Typical customers include mobile network operators, MVNOs, MVNEs, ISPs, and enterprises launching digital connectivity products. **What types of telecom operators do you work with?** Seamless OS supports multiple telecom business models. This includes MNOs, MVNOs, MVNEs, CSPs, digital brands, connectivity providers, and companies offering telecom services as part of a broader product portfolio. **Is Seamless OS cloud-native?** Yes. Seamless OS is designed as a cloud-native platform. Cloud deployment allows operators to scale operations, deploy updates quickly, and integrate with modern cloud infrastructure and services. **Is Seamless OS a white-label platform?** Yes. Seamless OS can be deployed as a white-label solution. Operators can fully brand the customer experience, including apps, portals, service offerings, and pricing models. **How does Seamless OS pricing work?** Seamless OS uses a commercial model that scales with the operator's business. Pricing includes three components: a one-time implementation fee to launch the operator, subscriber-based pricing tied to the number of active subscribers on the platform, and optional services or capabilities such as additional modules, sandbox environments, or enhanced support and SLA packages. The implementation fee varies with the scope and complexity of the deployment, including factors such as new integrations, custom requirements, and whether existing pre-integrated partners can be used. Subscriber-based pricing is tiered, with the price per subscriber decreasing as the operator grows. A minimum monthly platform license also applies, ensuring a baseline platform cost until subscriber volumes exceed that level. This structure allows operators to launch with predictable costs while aligning the platform's pricing with long-term subscriber growth. **What is included in the Seamless OS platform?** Seamless OS includes all the capabilities needed to launch and run a telecom operator. Additional capabilities, such as advanced analytics, automation tools, partner and custom integrations, and sandbox environments, can be added based on the operator's requirements. Seamless OS is delivered as a continuously evolving platform, with updates and maintenance handled centrally by Telness Tech. Operators benefit from continuous innovation with zero maintenance — new features, integrations, and improvements are rolled out regularly. **What markets and geographies do you support?** Seamless OS supports any telecom market where a connectivity partner and regulatory requirements can be met. The platform integrates with local MNOs or connectivity providers and supports country-specific operational, regulatory, and commercial configurations. **What is the typical customer size for Seamless OS?** Seamless OS supports operators at different stages of growth, from new digital brands launching their first services to established operators serving large customer bases. Operators can start small and scale to hundreds of thousands or millions of subscribers without replacing their platform. **Do you work with startups or only established telecom operators?** Seamless OS works with both startups and established telecom operators. The platform's modular architecture allows new entrants to launch quickly while supporting the complexity required by large operators. **Can non-telecom companies launch connectivity services using Seamless OS?** Yes. Companies outside the telecom industry can use Seamless OS to launch connectivity services and add mobile connectivity to their existing products or services. Adding connectivity to your existing product can create new revenue streams, strengthen customer relationships, and deliver more integrated digital experiences. With Seamless OS, companies can integrate connectivity directly into offerings such as devices, financial services, subscriptions, or software platforms, while managing customers, billing, and services through a single platform. **Can I migrate from another BSS/OSS vendor or MVNO platform?** Yes. Operators can migrate from existing BSS/OSS or telecom platforms to Seamless OS. The delivery team supports the full migration process, including transferring subscriber and billing data, integrating with network partners, and validating operational workflows such as onboarding, provisioning, and number porting. The goal is to ensure the operator can continue serving customers without disruption during the transition to the new platform. Because Telness Tech has experience migrating operators across different markets and setups, the process is structured and repeatable. **How long does implementation take?** Implementation timelines depend on the operator type and the scope of the deployment. For new operators launching a brand without migrating a large existing customer base, Seamless OS can enable launches in as few as 3 weeks by leveraging existing integrations with network and ecosystem partners. For established operators migrating from legacy platforms, migrations are often completed in under 3 months using structured, repeatable delivery processes. **What does the onboarding and implementation process look like?** Onboarding with Seamless OS is designed to get operators to commercial readiness quickly. Operators can configure products, pricing, and customer journeys directly on the platform, rather than through custom development. The delivery team works closely with operators throughout the process, covering integrations with network and ecosystem partners, migration preparation when needed, end-to-end testing, and training the operator's team to run the platform confidently. **Do you handle data migration?** Yes. Telness Tech manages the data migration as part of the delivery process. This includes transferring subscriber, billing, product configurations, and other operational data from legacy systems while ensuring services continue to run without disruption. The process uses structured discovery, rehearsal migrations, and end-to-end testing to ensure a smooth transition. **Will customers experience downtime during migration?** The goal is to migrate operators without disrupting the customer experience. Migrations are carefully planned using proven processes that include rehearsal migrations, end-to-end testing, and controlled cutover strategies. In many cases, customers will not notice the migration happening. When brief service windows are required, they are planned in advance and communicated clearly. **Which networks does Seamless OS support?** Seamless OS integrates with both mobile network operators and connectivity aggregators that provide wholesale access to network infrastructure. Telness Tech maintains a wide network of pre-integrated partners, allowing operators to launch services faster without building integrations from scratch. Because the platform is network-agnostic, operators can work with different network partners depending on their market and commercial agreements. **Can I continue using my existing network?** Yes. Seamless OS is designed to integrate with your existing connectivity partners. Operators can continue working with their current mobile network operators or connectivity aggregators while using Seamless OS to manage customers, billing, provisioning, and operations. If the network partner is not already integrated, the team can support the integration during the implementation. **Can I continue to use my payment provider?** Yes. Seamless OS integrates with a variety of payment providers. If the payment provider is not already integrated, the team can support the integration during implementation. **Can I continue using my existing partners?** Yes. Seamless OS is designed to work with your existing ecosystem of partners. Operators can continue using their current connectivity partners, payment providers, tax services, identity providers, insurance and device protection providers, logistics and 3PL partners, and other operational systems. Telness Tech also maintains a broad set of pre-integrated partners across these areas to help operators launch faster. **Can Seamless OS integrate with our existing systems?** Yes. Seamless OS is built to integrate with an operator's existing systems and partners. Using APIs, webhooks, and a wide set of pre-integrated connectors, the platform can exchange data with CRM systems, payment providers, identity services, logistics partners, analytics platforms, and other operational tools. **Do you offer AI-powered features?** Yes. Seamless OS includes AI-powered capabilities designed to automate operations, improve customer engagement, and provide actionable insights. AI features include AI agents that assist with customer interactions and support workflows, AI-powered insights that analyze operational and customer data to help operators understand performance and identify patterns, and capabilities for more automated, personalized interactions across digital channels. **How does Seamless OS automate telecom operations?** Seamless OS automates telecom operations through configurable workflows that manage operational processes from start to finish. Operators can automate customer onboarding, order handling, service activation, billing events, and customer lifecycle management. Workflows trigger actions automatically based on events or conditions. The platform also includes an extensive library of third-party connectors for cross-system automation, allowing operators to run telecom services with lean teams while scaling efficiently. **What APIs does Seamless OS provide?** Seamless OS provides a comprehensive REST API and webhooks, enabling operators and developers to integrate telecom functionality directly into their systems and applications. The REST API enables developers to manage customers, subscribers, subscriptions, orders, products, and configurations. Webhooks provide real-time event notifications, enabling external systems to automatically react to changes and trigger workflows. Full documentation is available at https://docs.telnesstech.com/. **Can I build additional functionality on top of Seamless OS?** Yes. Seamless OS is designed to be extensible. Through REST APIs and webhooks, developers can extend platform capabilities, automate workflows, and build custom services or customer experiences. Documentation is available at https://docs.telnesstech.com/. **What can I sell with Seamless OS?** Seamless OS turns your product catalog into a growth engine. The platform allows operators to transform their catalog into a digital marketplace for telecom and value-added services. You can bundle, upsell, or resell anything — from mobile plans, travel eSIMs, and data packs to streaming, gaming, devices, or insurance. All products and offers are managed in one place, enabling quick launches and easy maintenance. **Can we build our own products in Seamless OS?** Yes. Seamless OS allows operators to design and launch their own products directly within the platform through a flexible product catalog, including both telecom services and external partner products. **Do you provide sandbox environments for testing and development?** Yes. Sandbox environments can be provided for development and integration testing, allowing teams to experiment with APIs, configure products, and test integrations before deployment. **Is Seamless OS compliant with GDPR?** Seamless OS is designed with strong data protection and privacy principles, including support for GDPR requirements. **How does Seamless OS protect customer data?** Seamless OS protects customer data through a combination of secure infrastructure, controlled access, and strong operational practices. The platform is built on security as a core principle, with strict access controls, encrypted sensitive data, and continuous monitoring. Access to customer data is restricted by role and permission, ensuring only authorized users can view or manage sensitive information. **Where is data hosted?** Seamless OS is deployed on secure cloud infrastructure. Data hosting locations can be selected based on regulatory requirements, performance needs, and the operator's market, enabling alignment with regional data residency and compliance requirements. **Can we choose the data hosting region?** Yes. Hosting regions can be selected based on regulatory or operational requirements. **How are platform updates delivered?** Seamless OS follows a continuous delivery model with no traditional release cycles. New features, improvements, integrations, and bug fixes are deployed continuously by Telness Tech without downtime via a CI/CD pipeline. Operators always run the latest version of the platform without planning upgrades, managing release cycles, or scheduling maintenance windows. This approach ensures rapid issue resolution, continuous innovation, and a stable, secure, and up-to-date platform while minimizing operational overhead. ## Glossary **MVNO (Mobile Virtual Network Operator):** A telecom operator that provides mobile services without owning its own radio network infrastructure. MVNOs purchase wholesale network access from mobile network operators and manage products, billing, and customer relationships independently. Seamless OS is purpose-built to power MVNO operations end-to-end. **MVNE (Mobile Virtual Network Enabler):** A company that provides the technical infrastructure and operational services required for MVNOs to launch and operate mobile services, including billing systems, provisioning, and network integrations. **MVNA (Mobile Virtual Network Aggregator):** A company that aggregates network capacity from one or more mobile network operators and resells that capacity to MVNOs, simplifying commercial agreements and network access. **MNO (Mobile Network Operator):** A telecommunications company that owns and operates radio network infrastructure such as spectrum licenses, radio access networks, and core network systems. **BSS (Business Support System):** Software used by telecom operators to manage commercial operations such as customer accounts, billing, product catalogs, orders, and revenue management. Seamless OS delivers a full BSS stack as a cloud-native platform. **OSS (Operational Support System):** Software used to manage telecom network operations, including service provisioning, network configuration, monitoring, and service activation. Seamless OS combines BSS and OSS capabilities in a single integrated platform. **CSP (Communications Service Provider):** A broad category covering companies that deliver communications services, including mobile operators, ISPs, and digital connectivity brands. Seamless OS serves CSPs worldwide, with a significant footprint in Europe and North America. **eSIM (Embedded SIM):** A digital SIM technology that allows mobile network profiles to be downloaded and activated remotely without requiring a physical SIM card. Seamless OS supports eSIM provisioning and travel eSIM products natively. **SIM Provisioning:** The process of activating and configuring a SIM or eSIM so that a subscriber can access mobile network services such as voice, messaging, and mobile data. Seamless OS automates SIM and eSIM provisioning as part of the subscriber onboarding workflow. **ARPU (Average Revenue Per User):** A telecom metric that measures the average monthly revenue generated per subscriber. Seamless OS includes built-in Insights dashboards that track ARPU alongside churn, MRR, and subscriber growth. **Churn:** The percentage of subscribers who cancel or stop using a telecom service during a specific time period. Seamless OS supports automated churn detection and retention workflows through its AI and workflow engine. **Telecom Automation:** The use of workflows, APIs, and software systems to automate telecom operations such as onboarding, billing, service activation, and customer support. Seamless OS is built around a no-code workflow engine designed specifically for telecom automation. **Product Catalog (Telecom):** A system used by telecom operators to define, manage, and sell services such as mobile plans, data bundles, and value-added products. In Seamless OS, the product catalog supports telecom bundles, value-added services, travel eSIMs, and third-party partner products in a single configurable marketplace. **White-label Platform:** A software product that can be fully rebranded and deployed under a customer's own brand identity. Seamless OS supports white-label deployments, allowing operators to brand the full customer experience, including apps, portals, and service offerings. **Seamless OS:** The cloud-native telecom operating system built by Telness Tech. It provides the full BSS/OSS stack needed to launch and operate mobile services — including subscriber management, billing, product catalog, workflow automation, AI, and partner integrations — in a single platform. Live and powering operators worldwide.