Sip trunk

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246 Sip trunk notices found

Awarded contract
Purchase of Cloud Voice SIP Trunk
Redditch Borough CouncilSupplier(s) British Telecommunications PLCGBP 26,839.66Awarded 29 June 2026Expiring 1 July 2029IP telephone services
Awarded contract
Contract for Purchase of Cloud Voice SIP Trunk
Bromsgrove District Council, Redditch Borough CouncilSupplier(s) British Telecommunications PLCGBP 26,839Awarded 1 July 2026Expiring 1 July 2029
Awarded contract
Microsoft Teams Direct Routing
UK Atomic Energy AuthoritySupplier(s) Cinos LtdGBP 155,999.32Awarded 19 June 2026IT services: consulting, software development, Internet and support
Awarded contract
2526-03-DTS-BS-RLD SIP Trunk Services
Sheffield Hallam UniversitySupplier(s) GAMMA NETWORK SOLUTIONS LIMITEDGBP 49,027.68Awarded 26 March 2026Expiring 25 March 2028Telecommunications services
Awarded contract
Telephony support including contact centre
Wychavon District CouncilSupplier(s) OPUS BUSINESS SYSTEMS LIMITEDGBP 68,568Awarded 28 May 2026Expiring 27 May 2029IT services: consulting, software development, Internet and support
Awarded contract
Award of NHSL824 SiP Provision (Further Competition using RM6116)
NHS LanarkshireSupplier(s) Trustmarque Solutions LtdGBP 505,000Awarded 2 June 2026Telecommunications services
Awarded contract
2526 DS011 SIP Trunking
NHS Greater Glasgow and ClydeSupplier(s) GAMMA NETWORK SOLUTIONS LIMITEDGBP 405,000Awarded 31 March 2026Telecommunications network
Awarded contract
DA from NHS Link: IT Solutions 2 FW for Gamma SIP Trunk Service for Corporate Telephony 2026-2029
Stockton Borough CouncilSupplier(s) Cisilion LimitedGBP 114,879.08Awarded 1 July 2026Expiring 30 June 2029Information technology services
Awarded contract
Telephone and PSTN Replacement
Hereford and Worcester Fire and Rescue ServiceSupplier(s) British Telecommunications PLCGBP 92,955Awarded 31 March 2026Telecommunications-infrastructure maintenance services
Awarded contract
DDaT25528 - SIP Trunking and Cloud Telephony Services
UK Shared Business Services - UKSBSSupplier(s) GAMMA NETWORK SOLUTIONS LIMITEDGBP 61,600Awarded 31 March 2026Expiring 12 April 2029Telecommunications equipment and supplies
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Awarded contract
Telephony and network connectivity
West Oxfordshire District CouncilSupplier(s) Gamme Network Solutions LimitedGBP 57,317.52Awarded 18 March 2026Electrical apparatus for line telephony or line telegraphy
Open tenderPublished 18 February 2026
Telephony and Communication Services Dynamic Purchasing System
Scottish GovernmentGBP 48,000,000Closing 27 March 2028Voice-mail system
Awarded contract
Awarded Contract
Tamworth Borough CouncilSupplier(s) GAMMA NETWORK SOLUTIONS LIMITEDGBP 29,041.2Awarded 19 January 2026Expiring 18 January 2029Software package and information systems
Awarded contract
Phase 2 Telephony
North Yorkshire CouncilAwarded 9 February 2026Telecommunications network
Awarded contract
Telecoms Network and Infrastructure Framework
Procurement for Housing
Supplier(s)
14 suppliers
Abzorb Group Ltd
Avoira Ltd
Britannic Technologies Limited
Central Networks and Technologies
CLOUDCLEVR LIMITED
Daisy Communications Limited
Database for Business Limited
Exchange Communications Installations Ltd
HYBRIT SERVICES LTD
INCLINE IT LIMITED
KESTRONICS LIMITED
MLL Telecom Ltd.
Social Telecoms CIC
Southern Communications Corporate Solutions Limited
GBP 59,000,000Awarded 30 January 2026Expiring 22 February 2029Installation services of communications equipment
Expired contract
PAHT - 8x8 SIP Trunking (VOIP Telephony Services)
The Princess Alexandra Hospital NHS TrustSupplier(s) 8X8 UK LIMITEDGBP 280,000Awarded 30 June 2025Expiring 29 June 2026Desktop communications software package
Awarded contract
NSS12225 Avaya Support & Sip Trunk
NHS National Services ScotlandSupplier(s) Maintel Europe LtdGBP 146,148Awarded 20 November 2025Data network management and support services
Awarded contract
CBMDC 711 - SIP Trunking and DDI
City of Bradford Metropolitan District CouncilAwarded 14 October 2025Telephone network
Closed tenderPublished 22 September 2025
Telecoms Network and Infrastructure Framework
Procurement for HousingGBP 82,500,000Closing 3 November 2025Research and Development services on security and defence materials
Awarded contract
SIP Trunking (999 calls) CPA/SPU/2522P
Cheshire ConstabularySupplier(s) Pure IP LimitedGBP 137,000Awarded 1 September 2025Expiring 31 August 2028

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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