This Framework will provide a compliant and efficient route for UK public sector organisations to procure communications and telephony-related goods, services, and solutions. The Framework enables the public sector to modernise communication systems, supporting the transition from legacy telephony infrastructures (such as PSTN and ISDN) to secure, digital, and cloud-based technologies. It is designed to deliver interoperability, resilience, and value for money across public sector estates. The Framework is structured into five Lots designed to reflect real operational needs and encourage participation from organisations of all sizes including SMEs, VCSEs, and consortia. Bidders will be expected to be able to provide all services listed within each Lot, this could either be directly or via sub contractors/partners. Bidders can bid for any amount of Lots and do not have to provide all five Lots. For more information about this opportunity, please visit the eSourcing portal at: https://csg.delta-esourcing.com/tenders/UK-UK-West-Malling:-Communications-network./D9F36UG24Q To respond to this opportunity, please click here: https://csg.delta-esourcing.com/respond/D9F36UG24Q – Lot nr.: 1 Unified Communications & Telephony Covers cloud and hybrid telephony platforms, VoIP, SIP trunking, PBX replacement, softphones, and integrated UC services (voice, video, messaging). Includes migration, configuration, licensing, optional managed service and AI-enabled communications capabilities such as intelligent call routing, virtual assistants, speech analytics, transcription, meeting insights, and workflow automation. Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/09/2030 10:59:59 PM Criteria definitions: Quality: 60 (Quality) Price: 30 (Price) Quality: 10 (Social Value) – Lot nr.: 2 Contact Centre Solutions Provides omnichannel contact centre platforms including voice, chat, email, social, IVR, routing, analytics, workforce management, and quality monitoring. Supports cloud CCaaS, hybrid, on premise upgrades and AI and automation technologies such as chatbots, virtual agents, conversational AI, speech and sentiment analytics, predictive routing, agent assist, knowledge management, and automated customer journeys. Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/09/2030 10:59:59 PM Criteria definitions: Quality: 60 (Quality) Price: 30 (Price) Quality: 10 (Social Value) – Lot nr.: 3 Mobile & Fixed Line Services Includes mobile voice/data contracts, SIMs, device management, fixed line voice services, PSTN/ISDN replacement, tariffs, roaming controls, and managed mobility services. Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/09/2030 10:59:59 PM Criteria definitions: Quality: 60 (Quality) Price: 30 (Price) Quality: 10 (Social Value) – Lot nr.: 4 Connectivity & Network Infrastructure Covers broadband, leased lines, WAN/LAN, SD WAN, Wi Fi, and associated network hardware (routers, switches, firewalls). Includes installation, monitoring, and managed network services. Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/09/2030 10:59:59 PM Criteria definitions: Quality: 60 (Quality) Price: 30 (Price) Quality: 10 (Social Value) – Lot nr.: 5 Support, Maintenance & Professional Services Encompasses installation, configuration, monitoring, break/fix, managed services, telecoms audits, strategy development, optimisation reviews, and compliance assessments. Duration contract start date : 30/09/2026 11:00:00 PM Duration contract end date : 30/09/2030 10:59:59 PM Criteria definitions: Quality: 60 (Quality) Price: 30 (Price) Quality: 10 (Social Value)