CAS(T) provides assurance that telecommunications systems and services conform to industry good practice aligned to HMG standards and requirements.
The standards may be found in the Service Requirement and the Security Procedures (both also available in the Downloads section).
- BTGS IP Connect
- BTGS Ethernet Connect
- BTGS Short Haul Data Services
- BT Wholesale Ethernet Services
- BT Wholesale Optical (excluding any product variant which uses Openreach OSEA6500)
- BT Global Services Optical Connect Core (excluding any product variant which uses Openreach OSEA6500)
- PSN Core Data Centre Infrastructure
- Unicorn Managed WAN System
- Public Sector Broadband Aggregation
- N3 DNSP
- PSN Management Service