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Tenfell
Awarded contract
Published 25 Jun 2026

Microsoft Teams Direct Routing

UK Atomic Energy Authority · South East

Key facts

Contract value
£155,999
Awarded
18 Jun 2026
Procedure
Restricted procedure
Buyer type
Central government

Awarded to

SupplierValue
CINOS LIMITED£155,999

Description

• Design and delivery of Microsoft Teams Direct Routing via certified Session Border Controller (SBC). • Provision of SIP trunks/carrier services, numbering, and anti‑fraud protections. • Number porting, DDI management, and emergency calling configuration (999/112). • Integration of Spectralink IP‑DECT via SIP to Teams through the SBC. • Strategy and solution for analogue and lift lines (e.g., ATA/gateway or third‑party PSTN solutions). • QoS design (DSCP, bandwidth planning), testing, and monitoring (24×7). • Reporting/analytics – Teams CQD/portal plus provider portal for usage, minute pools, billing, and quality. • Security/compliance – ISO 27001, UK GDPR/DPA 2018, call encryption, audit logging. • Phased migration including pilot, user enablement, documentation, and knowledge transfer.

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