# SIP and Voice Services

> A sourced UK public-sector contract award published by West Sussex County Council.

## Key facts

- Public buyer: [West Sussex County Council](/buyers/west-sussex-county-council/contract-awards)
- Contract winner: [TRUSTMARQUE SOLUTIONS LTD](/contract-winners/trustmarque-solutions/public-sector-contract-awards)
- Award value: £418,909
- Tender value: £418,909
- Award date: 24 September 2025
- Published: 20 November 2025
- Contract start: 1 October 2025
- Contract end: 30 September 2028
- Stage: awarded
- Procurement category: services
- Notice ID: fd490cd0-26fe-44c9-b7b7-744542706e74-873083
- OCID: ocds-b5fd17-3752e40b-7fe6-454d-83f3-a565b57f6d36

## Description

SIP and voice services

## Related contract awards

- [Social Care Case Management System \(Mosaic\)](/contracts/ocds-b5fd17-5b3e884a-6b48-4347-9f39-1ce01187d029): West Sussex County Council
- [Community health survey for adults aged 16 years and over \(2026\)](/contracts/ocds-b5fd17-d0b9ba06-eb35-4365-aeef-8588b561b461): West Sussex County Council
- [WSCC Route 1669 - Mainstream - Felpham to APC Worthing - 4 Seats, 1 Passenger](/contracts/ocds-b5fd17-2d9fa149-2157-4972-a883-d96ef9e6e25f): West Sussex County Council
- [Provision of COTS Software and associated services](/contracts/ocds-b5fd17-3d31cf76-2fff-4262-b6ca-9a1a6ba80661): Cabinet Office
- [SIP and Voice Services](/contracts/ocds-b5fd17-304a5848-c948-4b3c-8679-cf8825ad6446): West Sussex County Council
- [Storage Arrays and Migration Services \(with support\)](/contracts/ocds-b5fd17-bcd9d4c2-59c5-4af3-a8d4-cd7beb90642d): West Sussex County Council

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/fd490cd0-26fe-44c9-b7b7-744542706e74-873083)