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).
- Wholesale Broadband Connect
- Wholesale Broadband Managed Connect
- Multiservice Interconnect Link
- BT Locate
- BT Session Initiation Protocol (SIP) Trunking