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Calling

Modern Cloud Calling for Connected, Productive Teams

Masthead 4-May-22-2026-10-23-09-5835-AM

Simplifying Communication for Modern Teams

Modern work shouldn’t feel like juggling apps. Node4's Calling solution brings cloud calling together with messaging, meetings, contact centres, and integrated devices, so people can move from a quick call to a full meeting with a click, share files, and keep the conversation in one place.  

Unify voice across your business with secure, scalable cloud calling that works wherever your people do. Node4 delivers a vendor-aligned approach across Microsoft and Cisco, underpinned by our SIPLink PSTN platform, so you can modernise at your pace and maximise existing investments. Optional Unified Communications (UC) features like messaging and presence keep teams in flow. 

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Top 1% of Microsoft Partners, Globally

We’re an end‑to‑end Frontier Microsoft partner with all six Solutions Partner designations, five consecutive Inner Circle years, 3,000 certifications, and Direct CSP status – delivering priority access, funding, and expert support.

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The Problem We're Solving

 

Disconnected platforms slow collaboration and response
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Manual routing, upgrades and number changes increase overheads
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Inconsistent experiences across sites, devices and home workers
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Security, compliance and emergency services challenges
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Hard to scale for acquisitions, new sites and seasonal demand
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What This Means For Your Business

Reliable
priority

Built on Webex Cloud: always on, globally available, and always up to date. Your teams focus on work, not workarounds.

Flexible
priority

Work from anywhere and switch mid‑call between desktop and mobile without the awkward drop‑and‑redial.

Hybrid‑ready
priority

Keep some sites on‑prem while others move to cloud. Synced directories and dial plans make a phased approach easy.

Easy to manage
priority

Control Hub gives you centralised admin and reporting; self‑service lets users handle everyday preferences. Less queue, more flow.

Integrated
priority

One application for calling, messaging and meetings, plus native integrations with your preferred tools to reduce context switching.

Secure
priority

Secure‑by‑default settings mean teams can collaborate confidently from day one.

Node4’s Approach to Modern Cloud Calling

We scope, build and run cloud calling across Microsoft and Cisco ecosystems, focused on practical outcomes. Our experts guide you from discovery and migration to adoption and ongoing optimisation, so calling and optional UC become a natural part of work, not another system to manage. 

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  • priority
    priority

    Cloud calling

    integrated with Microsoft Teams and Cisco Webex

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    priority

    Number porting

    advanced routing and policy management

  • priority
    priority

    Phased migrations

    and coexistence with legacy PBX

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    priority

    Governed delivery

    user adoption and change management

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    priority

    24x7 managed service

    with proactive monitoring and reporting

Enhance Microsoft Teams with Webex Integration

A cloud-based calling and collaboration solution powered by Cisco Webex, helping teams streamline communication, enhance productivity, and work from anywhere.
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What powers our solution

Microsoft Teams Phone (Teams Calling)
priority

Unified collaboration client with PSTN calling; call queues, auto attendants and policy based controls

Cisco Webex Calling
priority

Enterprise grade cloud PBX and devices; robust call control and proven multi site deployments

Node4 SIPLink
priority

UK regulated, carrier grade PSTN connectivity; number porting, bundles and analytics; foundation for Calling and Contact Centre

Node4 Managed Services
priority

Ongoing support, monitoring and optimisation to maintain quality and simplify operations

AI & Analytics
priority

Enable AI features where licensed, such as call summarisation and task capture in Microsoft 365, and audio intelligence in Webex, to reduce admin and improve follow up.

See what funding your business could access​

As a Microsoft Azure Expert MSP and Inner Circle Partner, we help customers access exclusive Microsoft funding to reduce cost, de‑risk decisions, and accelerate technology adoption.
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Stephensons

Transitioning to a scalable cloud contact centre with omnichannel customer connections.

Why Node4?

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Unified expertise
priority

Collaboration, UC, networks, cloud and security under one roof

Integration specialists
priority

Aligned with Microsoft and Cisco ecosystems, plus direct PSTN via SIPLink

Outcome focused
priority

Success measured on user experience, reliability and business impact

AI readiness
priority

Practical guidance on enabling AI features safely where licensing and policy permit

Take the first step to smarter, simpler communication

Meet your users where they work.  

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