# 999 Service - ISDN to SIP

> A sourced UK public sector contract award published by MCA - Maritime and Coastguard Agency.

## Key facts

- Buyer: [MCA - Maritime and Coastguard Agency](/buyers/mca-maritime-and-coastguard-agency/contract-awards)
- Supplier: [BT Group Plc](/suppliers/bt-group/public-sector-contract-awards)
- Award value: £14,160
- Tender value: £14,160
- Award date: 16 September 2021
- Published: 20 April 2022
- Contract start: 17 September 2021
- Contract end: 24 September 2021
- Stage: awarded
- Procurement category: services
- Notice ID: 16a2d7f4-5b1c-45a8-bf90-40fb36706393-529893
- OCID: ocds-b5fd17-5d03d3ef-8155-403d-8464-2759f7793f81

## Description

This is for the proof of concept for the migration of the 999 service from ISDN telephony to a SIP \(Session Initiated Protocol\) telephony solution\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/16a2d7f4-5b1c-45a8-bf90-40fb36706393-529893)