Telephony Services

Provision of a fully managed Microsoft Teams Direct Routing telephony service for National Energy System Operator (NESO), including solution design, deployment, migration, hosted session border controllers (SBCs), site survivability via SBAs, PSTN connectivity, analogue gateway replacement, IP handsets, monitoring, incident management, service desk, configuration and asset management, governance reporting, security and data‑protection compliance, and full exit support. The Supplier delivers end‑to‑end transition, operational service management and ongoing support for the telephony estate for the duration of the contract.