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Awarded United Kingdom Services

BT MGST - Private Circuit Emergency Overrun Service (PCEOS) Extension

Buyer: Transport for London

Published
14 August 2026
Estimated value
£450,672
Place of performance
UKI
Procedure
Direct award
Lots
1
Notice number
077667-2026
Reference
ocds-h6vhtk-06e4a0
Official source
Official source

CPV codes

Description

The contract is for the continued provision of BT's Private Circuit Emergency Overrun Service (PCEOS) supporting the London Overground GSM-R (Global System for Mobile Communications - Railway) network. The service maintains safety-critical telecommunications links used for communications between train drivers, signallers and railway operational control functions. The contract is required to ensure continuity of GSM-R services while Rail for London completes the migration from BT's legacy Megastream platform to a replacement Nokia-based transmission solution. BT is the only supplier capable of providing the service due to its ownership and operation of the Megastream infrastructure.

Awards

Awarded toAmountDate
British Telecommunications PLC £450,672 —

Official publications

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £450,672.
Who is the buyer of this tender?
The contracting authority is Transport for London (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.