Market Overview
The IP Multimedia Subsystem (IMS) is a comprehensive, standards-based architecture that allows service providers to offer multimedia communication services across fixed, mobile, and converged networks. It serves as the foundational control layer for voice services on LTE and 5G networks, replacing traditional circuit-switched infrastructure. The global market, valued at roughly $13.24 billion in 2025, encompasses IMS core platforms, applications, services, and associated professional services deployed by telecommunications carriers and enterprises worldwide.
- •IMS is defined by 3GPP specifications and enables VoIP, video calling, messaging, and rich communication services over IP
- •The market includes core IMS platforms, application servers, session border controllers, and related professional services
- •Adoption is driven by operators migrating to all-IP networks and retiring legacy telephony infrastructure
Growth Drivers
The primary catalyst for market expansion is the ongoing global deployment of 5G networks, which mandates IMS-based core infrastructure to deliver VoNR and other real-time communication services. Enterprises are increasingly adopting IMS-enabled unified communications solutions to support remote work, contact centers, and integrated collaboration tools. Additionally, the proliferation of over-the-top (OTT) messaging and communication services has pushed traditional operators to modernize their IMS deployments to remain competitive.
- •5G standalone networks require IMS core to support Voice over New Radio (VoNR) and mission-critical services
- •Growing enterprise demand for unified communications platforms with embedded IMS capabilities
- •Regulatory and interoperability mandates in many regions pushing operators toward all-IP voice infrastructure
Segmentation and Regional Analysis
The market is segmented by component into hardware, software, and services, with software and professional services commanding the largest and fastest-growing shares due to ongoing virtualized and cloud-native IMS deployments. Geographically, North America and Europe lead in adoption, largely due to early 5G deployments and advanced telecom infrastructure, while the Asia-Pacific region represents the largest and fastest-growing market driven by massive subscriber bases and aggressive 5G expansion in China, India, Japan, and South Korea.
- •Cloud-native and virtualized IMS (vIMS) deployments are accelerating as operators seek scalable and cost-effective solutions
- •Asia-Pacific is the largest regional market, with China, Japan, and South Korea as early IMS adopters
- •North America and Europe show strong growth tied to 5G VoNR deployments and enterprise unified communications demand
Trends and Outlook
What are the recent trends and outlook?
The IMS market is increasingly shifting toward cloud-native, containerized, and microservices-based architectures that align with modern 5G core (5GC) deployments and enable greater scalability and flexibility for operators. The integration of IMS with programmable communication APIs, such as CPaaS and WebRTC, is opening new revenue opportunities for service providers and enterprise developers alike. Looking ahead, the market is expected to maintain a healthy growth trajectory through the latter half of the decade as 5G coverage expands globally, VoNR services scale to mass-market deployments, and operators continue upgrading legacy infrastructure.
- •Cloud-native and virtualized IMS (vIMS) deployments are becoming the standard for 5G-ready operator networks
- •Programmable communication APIs and CPaaS integration are expanding IMS use cases beyond traditional telecom services
- •The market is projected to sustain its growth through 2030 as global 5G adoption accelerates and legacy networks are retired
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Connect to an analyst →Market size and forecast are Claight Analysis, informed by public research and industry data. Historical years before 2025 and all forecast years are Claight estimates at the stated CAGR. Retrieved 2026.