Sip trunk

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246 Sip trunk notices found

Awarded contract
SIP Trunking (999 calls) CPA/SPU/2522P - AWARD
Cheshire ConstabularySupplier(s) Pure IP LimitedGBP 137,000Awarded 1 September 2025Expiring 31 August 2028Information technology services
Awarded contract
SIP Trunks & Leased Bearer Line
East Sussex Healthcare NHS TrustSupplier(s) Opus Business Systems Limited T/A Opus Telecoms (Opus)GBP 127,755Awarded 1 September 2025Expiring 31 August 2028Communications infrastructure
Awarded contract
Microsoft Teams and Five9 Unified Communications Offering with associated Gamma SIP Trunks
Health and Care Professions CouncilSupplier(s) OPUS BUSINESS SYSTEMS LIMITED236,210Awarded 25 July 2025Expiring 13 January 2029Communication software package
Awarded contract
Direct SIP Services (Telephony) Direct Award via CCS Network Services 3Lot 4b: Digital Communication Services (Unified Communications)
The United Kingdom Sports Council (trading as UK Sport)Supplier(s) British Telecommunications PLCGBP 54,335.52Awarded 1 June 2025Expiring 31 May 2028Telephone network
Stale Pre-tenderPublished 22 May 2025
Managed Service telephony service
Bank of EnglandGBP 3,200,000IT services: consulting, software development, Internet and support
Stale Pre-tenderPublished 20 May 2025
Multiprotocol Label Switching (MPLS) network
NHS South, Central and West Commissioning Support Unit, NHS EnglandGBP 2,500,000Wide area network services
Stale Pre-tenderPublished 16 May 2025
Telecoms Network and Infrastructure Framework
Procurement for HousingGBP 82,500,000Closing 15 September 2025Office and computing machinery, equipment and supplies except furniture and software packages
Awarded contract
BT 999 SIP Trunks
Suffolk Constabulary, Norfolk ConstabularySupplier(s) British Telecommunications PLCGBP 119,764.28Awarded 1 April 2025Expiring 31 March 2030IP telephone services
Expired contract
CC25010 UKSBS SIP Trunks
UK Shared Business Services - UKSBSSupplier(s) SCB GLOBAL LTDAwarded 28 April 2025Expiring 30 April 2026IT services: consulting, software development, Internet and support
Awarded contract
CFM0373 - SIP Trunk Support
Fife CouncilSupplier(s) Gamma Telecom LTDGBP 90,000Awarded 11 April 2025Telecommunications network
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Awarded contract
BT 999 SIP Trunks - Phone line
Cleveland Fire AuthoritySupplier(s) British Telecommunications PLCGBP 50,000Awarded 1 October 2024Expiring 30 September 2027Telecommunications network
Open tenderPublished 10 January 2025
Telecommunications
Bolton NHS Foundation TrustGBP 50,000,000Closing 31 May 2029Telecommunications services
Awarded contract
NSS06624 Avaya Support & Sip Trunk
NHS National Services ScotlandSupplier(s) Maintel Europe LtdGBP 109,000Awarded 26 November 2024Data network management and support services
Closed tenderPublished 11 December 2024
Telephony and Communication Services Dynamic Purchasing System
Scottish GovernmentGBP 30,000,000Closing 27 March 2026Switchboards
Awarded contract
SIP for West Midlands Fire & Rescue Authority
West Midlands Fire and Rescue AuthoritySupplier(s) GAMMA NETWORK SOLUTIONS LIMITEDGBP 49,200Awarded 10 December 2024Expiring 9 December 2028Collected and purified water
Awarded contract
NAC/STA/5238 Provision of Telephony Infrastructure and Services
North Ayrshire CouncilSupplier(s) Insight Direct (UK) LtdGBP 327,180Awarded 4 October 2024Telecommunications services
Awarded contract
ISDN replacement
MerseytravelSupplier(s) NOS Communicare' LtdGBP 23,820.5Awarded 7 October 2024Expiring 6 October 2027IT services: consulting, software development, Internet and support
Awarded contract
SIP Trunk
Scottish Legal Aid BoardSupplier(s) Optimal Projects Limited (OPL)GBP 48,330Awarded 24 June 2024Telecommunications facilities
Awarded contract
Daisy Telephony Services - Fixed Lines & SIP Trunks
City of London CorporationSupplier(s) WN CORPORATE SERVICES TRADING LIMITEDGBP 690,064.01Awarded 1 July 2024Expiring 30 June 2027Telecommunications network
Awarded contract
College SIP Trunk Telephony Services
North East Scotland CollegeSupplier(s) WN CORPORATE SERVICES TRADING LIMITEDGBP 22,701.12Awarded 1 June 2024Telephone network maintenance services

Top buyers

Buyers ranked by total contract award volume for sip trunk.

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BuyersCountValue

Devon County Council
13
£6.4m
Scottish Government
10
£158.4m
Bath and North East Somerset Council
8
£1.1m
ESPO
5
£115.0m
North Star Housing Group
5
£6.9m
Crown Commercial Service
5
£11.0bn
Isle of Wight Council
5
£292.3k
Procurement for Housing
5
£389.0m
NHS National Services Scotland
4
£255.1k
Defence Equipment and Support : Ministry of Defence
4
£168.0k

Trend over time

Notice volume for sip trunk published over time.

Top suppliers

Suppliers ranked by total contract award volume for sip trunk.

View all suppliers

SuppliersCountValue

Gamma Telecom LTD
24
£5.1m
Maintel Europe Ltd
11
£2.4m
British Telecommunications PLC
10
£1.1m
GAMMA NETWORK SOLUTIONS LIMITED
8
£976.5k
Daisy Communications Limited
6
£20.7m
Britannic Technologies Limited
6
£18.5m
Pure IP Limited
5
£355.0k
Netcall Technology Limited
5
£15.0m
WN CORPORATE SERVICES TRADING LIMITED
4
£952.5k
SCB GLOBAL LTD
4
£134.9k

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