
Clearwater Core IMS is a cloud-native IP Multimedia Subsystem that provides scalable, standards-based control plane functions for voice, video, and messaging services. It supports hybrid cloud deployments and enables efficient, cost-effective delivery of rich communications across modern and legacy networks.
Vendor
Alianza
Company Website

Clearwater Core IMS
Clearwater Core IMS is Alianza’s cloud-native IP Multimedia Subsystem, designed to deliver scalable, cost-efficient voice, video, and messaging services. As the industry’s first cloud-native IMS, it sets the standard for NFV-based deployments and supports hybrid public/private cloud infrastructures. Built on service-based principles aligned with 5G, Clearwater Core IMS provides essential control plane functions and enables rich communications across modern and legacy networks.
Features
- Standards-based IMS components including I-CSCF, S-CSCF, BGCF
- SIP signaling and Diameter AAA and charging interfaces
- HSS Mirror for reduced database query load
- CCF for event conversion to file-based CDRs
- Integration with Perimeta SBC/P-CSCF
- Augmentation with multimedia application servers
Capabilities
- Scalable deployment for VoLTE, VoNR, and OTT services
- Cloud-native architecture for hybrid environments
- Efficient control of voice, video, and messaging traffic
- Reduced operational complexity and database overhead
- Compatibility with diverse network infrastructures
- Support for next-generation communications and 5G readiness
Benefits
- Lowers deployment and operational costs
- Enables rapid rollout of rich communication services
- Future-proofs infrastructure for evolving network demands
- Enhances performance and reliability of IMS functions
- Simplifies integration with existing and new service platforms
- Empowers service providers with flexible, software-based solutions