# Session Initiation Protocol \(SIP\) & Direct Inward Dialling \(DDI\) Agreement

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Pension Protection Fund](/buyers/pension-protection-fund/contract-awards)
- Contract winner: [VIRGIN MEDIA BUSINESS LIMITED](/contract-winners/virgin-media-business/public-sector-contract-awards)
- Award value: £53,813
- Tender value: £63,135
- Award date: 15 October 2021
- Published: 22 October 2024
- Contract start: 15 October 2021
- Contract end: 14 October 2025
- Stage: awarded
- Procurement category: services
- Notice ID: f94991f0-6bad-4ccb-8cc8-1765e5485b2f-796165
- OCID: ocds-b5fd17-308a5d64-7462-4f89-b9ce-c5d3349d4be8

## Description

This contract is for the SIP channels and DDIs which are to be relocated to Croydon\. The initial contract term is 36 months with an option to extend for a further 12 months\. The overall contract value \(including the optional 12-month extension\) is £53,812\.80\. Notice updated to reflect option to extend executed for final 12 months\. Value updated to include VAT\.

## Related contract awards

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- [Workforce Solutions](/contracts/ocds-b5fd17-96fd511c-ed4e-47a7-8c41-7213ff0f1ac6): Pension Protection Fund
- [NW Preston Form C](/contracts/ocds-b5fd17-bf9efac5-e6fa-4a56-abc7-bc4c5b718899): Environment Agency
- [Mobile Voice & Data Services 2026-29](/contracts/ocds-b5fd17-4f37f9bd-267d-4985-b895-356ae0ddb841): Folkestone & Hythe District Council
- [Mobile, Voice & Data Services](/contracts/ocds-b5fd17-8be9e1db-c2da-4567-8131-f32c26760c25): Companies House

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/f94991f0-6bad-4ccb-8cc8-1765e5485b2f-796165)