---
title: "SIP Trunk"
ocid: "ocds-r6ebe6-0000766599"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000766599"
markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000766599.md"
json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000766599.json"
source: "Public Contracts Scotland"
current_stage: "Award"
buyer: "SCOTTISH LEGAL AID BOARD"
published: "2024-08-01"
---

# SIP Trunk

Buyer: SCOTTISH LEGAL AID BOARD  
Current stage: Award  
OCID: ocds-r6ebe6-0000766599

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## Summary

The Scottish Legal Aid Board is soliciting bids for a SIP Trunk service to integrate with their Mitel telephony and MS Teams infrastructure. The contracting process, classified under the services category (CPV code: 64200000), is being conducted through an open procedure by this public authority based in Edinburgh, UKM. The tender phase concluded on 10th June 2024, and the award phase began the same day. This project, identified as SLAB/PSD/24/532, focusses on maintaining connectivity for over 500 publicly available numbers with external calls managed via a SIP trunk delivering a 30 concurrent channel connection. The contract was awarded to Optimal Projects Limited (OPL), effective from 24th June 2024, and is now in the execution stage. The primary site for delivery is in the Edinburgh region, supporting the public sector's telecommunication needs.

This tender presents significant growth opportunities for businesses in the telecommunication and IT services sectors. Companies with expertise in SIP technology, MS Teams integration, and telephony infrastructure would be well-suited to participate in similar tenders. Small and medium-sized enterprises (SMEs), especially those with technological agility and a proven track record in managing large-scale telephony systems, can benefit from the visibility and reliability that such contracts with public sector agencies provide. Engaging in this contract can not only enhance business credentials but also pave the way for future opportunities within the public procurement framework.

## Notice

SLAB runs an internal Mitel telephone system consisting of virtual phone switches, protected on the border by a Mitel Border Gateway. After a major overhaul in 2021, telephony is now provided to users via MS Teams, with inbound/outbound calls routed via the on-prem Mitel telephony solution. With the exception of a small few (up to 10), all Mitel handsets have been removed, and now only exist within shared meeting rooms in our head office. A SIP line sits between Mitel and MS Teams, and said SIP line is provided and supported outside the scope of this tender. Connectivity to external telephony is currently delivered over SIP with all outbound calls and inbound calls to the organisations 500+ publicly available numbers sharing a 30 concurrent channel connection. Calls over the SIP trunk are routed to the external IP of our Sangoma SBC.

### Lot Information

Lot 1

SLAB runs an internal Mitel telephone system consisting of virtual phone switches, protected on the border by a Mitel Border Gateway. After a major overhaul in 2021, telephony is now provided to users via MS Teams, with inbound/outbound calls routed via the on-prem Mitel telephony solution. With the exception of a small few (up to 10), all Mitel handsets have been removed, and now only exist within shared meeting rooms in our head office. A SIP line sits between Mitel and MS Teams, and said SIP line is provided and supported outside the scope of this tender. Connectivity to external telephony is currently delivered over SIP with all outbound calls and inbound calls to the organisations 500+ publicly available numbers sharing a 30 concurrent channel connection. Calls over the SIP trunk are routed to the external IP of our Sangoma SBC.

Renewal: Option to extend for 2 further periods of 12 months

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Public Contracts Scotland |
| Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG511126 |
| Notice type | PCS Notice - Website Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Aug 2024 |
| Submission deadline | 10 Jun 2024 |
| Future notice date | Not specified |
| Award date | 24 Jun 2024 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Not specified |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SCOTTISH LEGAL AID BOARD |
| Locality | EDINBURGH |
| Post town | Edinburgh |
| Postcode | EH12 5HE |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM1 East Central Scotland |
| ITL 3 | TLM13 City of Edinburgh |
| Local authority | City of Edinburgh |
| Electoral ward | City Centre |
| Westminster constituency | Edinburgh West |
| Delivery location | TLM Scotland |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | OPTIMAL PROJECTS LIMITED (OPL |

## CPV Codes

### Divisions

- 32 - Radio, television, communication, telecommunication and related equipment
- 64 - Postal and telecommunications services
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 32412100 - Telecommunications network
- 32500000 - Telecommunications equipment and supplies
- 32520000 - Telecommunications cable and equipment
- 32522000 - Telecommunications equipment
- 32523000 - Telecommunications facilities
- 32524000 - Telecommunications system
- 64200000 - Telecommunications services
- 71316000 - Telecommunication consultancy services

## Release History

- 1 Aug 2024 at 00:00 - Award - PCS Notice - Website Contract Award Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG511126
- 14 May 2024 at 00:00 - Tender - PCS Notice - Website Contract Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY505210

## Documents

- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=4
  14th May 2024 - FORM OF TENDER
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=5
  14th May 2024 - GDPR Questionnaire
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=6
  14th May 2024 - SIP Trunk ITT-2024
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=7
  14th May 2024 - Terms and conditions 2 conditions of contract for the purchase of services Nov 22
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=8
  14th May 2024 - BACS Form
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=1
  14th May 2024 - Appendix A - Company Details Form v2
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=2
  14th May 2024 - Appendix B - Pricing
- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAY505210&idx=3
  14th May 2024 - CERTIFICATE OF BONA FIDE TENDER
- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY505210
  SIP Trunk - SLAB runs an internal Mitel telephone system consisting of virtual phone switches, protected on the border by a Mitel Border Gateway. After a major overhaul in 2021, telephony is now provided to users via MS Teams, with inbound/outbound calls routed via the on-prem Mitel telephony solution. With the exception of a small few (up to 10), all Mitel handsets have been removed, and now only exist within shared meeting rooms in our head office. A SIP line sits between Mitel and MS Teams, and said SIP line is provided and supported outside the scope of this tender. Connectivity to external telephony is currently delivered over SIP with all outbound calls and inbound calls to the organisations 500+ publicly available numbers sharing a 30 concurrent channel connection. Calls over the SIP trunk are routed to the external IP of our Sangoma SBC.
- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG511126
  SIP Trunk - SLAB runs an internal Mitel telephone system consisting of virtual phone switches, protected on the border by a Mitel Border Gateway. After a major overhaul in 2021, telephony is now provided to users via MS Teams, with inbound/outbound calls routed via the on-prem Mitel telephony solution. With the exception of a small few (up to 10), all Mitel handsets have been removed, and now only exist within shared meeting rooms in our head office. A SIP line sits between Mitel and MS Teams, and said SIP line is provided and supported outside the scope of this tender. Connectivity to external telephony is currently delivered over SIP with all outbound calls and inbound calls to the organisations 500+ publicly available numbers sharing a 30 concurrent channel connection. Calls over the SIP trunk are routed to the external IP of our Sangoma SBC.

## Notice URLs

- http://
- http://www.publiccontractsscotland.gov.uk
- http://www.slab.org.uk
- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000766599

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000766599. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000766599.json.