Best Call Center Infrastructure (CCI) Software for HubSpot Data Hub

Beneath every conversation facilitated by Aircall lies a robust global cloud voice network that ensures high-quality audio and enterprise-level connectivity. This essential infrastructure is crucial for call center software but often goes unnoticed until issues arise. Designed for scalability and reliability, Aircall's foundation intelligently routes calls while incorporating shared customer information, ensuring stability even as teams expand from a handful to hundreds of agents. The seamless integration of the infrastructure with the software means that aspects like capacity, uptime, and voice clarity are fully aligned with your CRM tools and AI functionalities. With over 250 native integrations operating on the same infrastructure as the calling system, data transfers are executed quickly and efficiently. It’s the reliable backbone that more than 24,000 companies depend on to maintain their call centers, regardless of size.

RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.

Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.