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Govia Thameslink Railway Limited (GTR): The Provision of Voice and Telephony Services

  Govia Thameslink Railway Limited (GTR) has published this notice through Delta eSourcing

Notice Summary
Title: The Provision of Voice and Telephony Services
Notice type: UK6: Contract award notice
Authority: Govia Thameslink Railway Limited (GTR)
Nature of contract: Services
Procedure: Above threshold - Open procedure
Short Description: GTR are looking for a supplier who can provide and manage voice and telephony services across the GTR network. Bidders will need to ensure they can support all existing handsets as these may be replaced due to fault throughout the duration of the contract. Bidders will be asked to provide optional pricing for this as part of the submission which will not be scored at tender stage. The key requirements for this tender exercise are: •To provide services on existing fixed Poly handsets across the stations and depots, noting that Poly handsets are to be re-used day 1 of the mobilisation. •ATAs to be migrated day 1 of the mobilisation, however these can be replaced if required for support reasons. •A carrier grade system is essential due to operational requirements. •Existing numbering is to be retained. Basic or equivalent functionality is essential. •Improved handset robustness especially high user fixed handsets While not part of the project scope GTR are interested in future capabilities of the proposed solution for simplified dialling from the station and depot phones to its existing 7000 mobile users – Note that this will not form part of the scored criteria for this tender exercise.
Published: 12/01/2026 14:09

View Full Notice

UK-London: Telephone network.


Scope


Description: GTR are looking for a supplier who can provide and manage voice and telephony services across the GTR network. Bidders will need to ensure they can support all existing handsets as these may be replaced due to fault throughout the duration of the contract. Bidders will be asked to provide optional pricing for this as part of the submission which will not be scored at tender stage.

The key requirements for this tender exercise are:
•To provide services on existing fixed Poly handsets across the stations and depots, noting that Poly handsets are to be re-used day 1 of the mobilisation.

•ATAs to be migrated day 1 of the mobilisation, however these can be replaced if required for support reasons.

•A carrier grade system is essential due to operational requirements.

•Existing numbering is to be retained. Basic or equivalent functionality is essential.

•Improved handset robustness especially high user fixed handsets

While not part of the project scope GTR are interested in future capabilities of the proposed solution for simplified dialling from the station and depot phones to its existing 7000 mobile users – Note that this will not form part of the scored criteria for this tender exercise.
To view this notice, please click here:
https://goviathameslinkrailway.delta-esourcing.com/delta/viewNotice.html?noticeId=1005425498

To respond to this opportunity, please click here:
https://goviathameslinkrailway.delta-esourcing.com/respond/JP5W2NJ5A8

Total value (estimated):


GBP 450,000 excluding VAT GBP 562,500 including VAT





Contract Details



Contract 1



Contract value: GBP 185,781 including VAT



Below the relevant threshold: Yes



Award decision date: 09/01/2026



Earliest date the contract will be signed: 22/01/2026



Contract dates (estimated): 01/04/2026 to 31/03/2028



Main procurement category: SERVICES



CPV classifications:
32551400 - Telephone network.

64210000 - Telephone and data transmission services.

64211100 - Local telephone services.

64213000 - Shared-business telephone network services.







Supplier




Supplier: Gamma Network Solutions Limited



The Scalpel, 18th Floor, 52 Lime Street

London

EC3M 7AF

UK


Email: bidteam@gamma.co.uk



Small or medium-sized enterprise (SME): No





Contract: 1




Procedure


Procedure type: Open procedure

Contracting Authorities


View any Notice Addenda

View Award Notice