Source: https://tendernation.io/opportunities/01a14069-95a2-705e-883b-b5ff19e0371e/ireland-telecommunications-services-provision-of-microsoft-teams-voice-one closed IE open procedure # Telecommunications services – Provision of Microsoft Teams Voice (One Teams Voice) Service [National Transport Authority\_1149](https://tendernation.io/buyers/national-transport-authority-1149) Estimated value €462,000 Published 4 Sept 2026 Deadline Closed 5 Oct 2026 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender The National Transport Authority (the “Authority”) is seeking to procure a supplier to deliver a Microsoft Teams Voice (One Teams Voice) solution. The scope of this tender covers the provision of a fully managed, cloud-based telephony service, integrated with the Authority’s existing Microsoft 365 environment. The required services include, but are not limited to: • Provision of Microsoft Teams Voice capability; • Telephony connectivity (e.g. SIP trunking and public telephony network access); • Migration from the Authority’s existing telephony solution; and • Ongoing support, maintenance, and service management. The solution must enable the Authority users to make and receive calls via Microsoft Teams using assigned Direct Dial-In (DDI) numbers and support a modern, flexible working model across office and remote users. The successful Tenderer shall be responsible for end-to-end delivery of the service, including design, implementation, transition, and ongoing operation. See tender documents for further details ## CPV classification Telecommunications services Digital telephone exchanges Telephone exchanges Integrated telecommunications services Communication software package Source Tenders Electronic Daily (EU) · Notice 612396-2026 [View official notice](https://ted.europa.eu/en/notice/612396-2026) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile National Transport Authority\_1149: past awards and live tenders](https://tendernation.io/buyers/national-transport-authority-1149) [Sector More Postal & telecoms services tenders](https://tendernation.io/sectors/postal-telecoms-services) ## More tenders like this [Telecommunications services – Accord-cadre ayant pour objet des prestations de services de télécommunication pour le compte de France terre d'asile · France terre d'asile - siège social · 24 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a156a9-807a-7206-a621-3923e9801045/france-telecommunications-services-accord-cadre-ayant-pour-objet-des-prestat) [Postal services – Brief- und Dialogpost · Kaufmännische Krankenkasse - KKH · 104 days left · 1 Feb 2027](https://tendernation.io/opportunities/01a156a9-990a-72f6-b5b9-aa9229e345a8/germany-postal-services-brief-und-dialogpost) [Post and courier services – Aanbesteding post- en pakketbezorging · gemeente Sittard-Geleen · 10 days left · 30 Oct 2026](https://tendernation.io/opportunities/01a156a9-61eb-72a1-b32a-77063ec6da2d/netherlands-post-and-courier-services-aanbesteding-post-en-pakketbezorging) [Postal and telecommunications services – Prestations de services de Liaisons de télécommunications à Haut Débit (LHD) pour les Centres CEA · CEA Direction des Achats et des Partenaires Stratégiques - S2MN (91) · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a156a9-7bc6-7019-94e5-923cfe58cedc/france-postal-and-telecommunications-services-prestations-de-services-de-lia) [Postal services – „Świadczenie usług pocztowych w obrocie krajowym i zagranicznym, w zakresie przyjmowania, przemieszczania i doręczania przesyłek pocztowych oraz paczek i ich ewentualny zwrot do Urzędu Miejskiego w Starachowicach” · Gmina Starachowice · 9 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a156a9-966a-72f3-ae4c-b88c1c5d670e/poland-postal-services-swiadczenie-uslug-pocztowych-w-obrocie-krajowym-i-za) [Postal services – Contratación de los servicios de notificación certificada y comunicación electrónica certificada a terceros indicados por Mutua Universal. · Mutua Universal Mugenat, Mutua Colaboradora con la Seguridad Social nº 10 · 34 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-aacb-736d-acd3-868f1924c1ed/spain-postal-services-contratacion-de-los-servicios-de-notificacion-certific)