6 Oct 2026 · TrustList Editorial
Island raises $400M to govern AI agents from its enterprise browser
The Series F, led by Evolution Equity Partners at a $6.4B valuation, pays for an "agentic control plane" that has no release date yet.
8 unified communications software ranked by rating, review volume and listing quality.
Between them, the 8 unified communications software on this page cover audio / video conferencing (7), call routing (7), chat / messaging (6) and multi-user collaboration (5). 8 of them have written a profile you can read before you get in touch.

Audio / Video Conferencing · Chat / Messaging · Voice Mail
Avaya Aura Platform is a unified communications and call centre product. It centres on call management and brings several kinds of contact into one system.

Audio / Video Conferencing · Chat / Messaging · Voice Mail
UC Software is Poly's unified communications software for businesses that run desk phones, headsets and video equipment. Poly is now part of HP.

Audio / Video Conferencing · Chat / Messaging · Voice Mail
pimentaCHAT is a unified collaboration and communication tool for organisations. It brings team messaging and calls into one product that can carry the customer's own branding.

Audio / Video Conferencing · Chat / Messaging · Voice Mail
OfficeSuite UC is a cloud-based unified communications service from Windstream Enterprise. It brings collaboration and productivity tools together for businesses.

Audio / Video Conferencing · IVR / Voice Recognition · Chat / Messaging
PortaSwitch is an integrated softswitch and billing platform. VoIP, OTT and telecom providers use it to set up, launch and earn revenue from communication services on IP networks.

Audio / Video Conferencing · IVR / Voice Recognition · Interactive Voice Response (IVR)
Tinkle is a cloud business phone system aimed at companies in the UK.

Audio / Video Conferencing · IVR / Voice Recognition · Chat / Messaging
Video RTC is a video gateway from Interactive Powers. It connects endpoints that use WebRTC, RTMP and SIP, so voice calling, video calling, live chat, file sharing and screen…

Interactive Voice Response (IVR) · Voice Mail · Call Routing
Noble CC is the contact centre software line from Noble Systems Corporation, which has worked in customer communications since 1989.
For vendors
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Every other way we rank unified communications software, by what they do and where they are.
The newest guides and analysis from TrustList Insights.
6 Oct 2026 · TrustList Editorial
The Series F, led by Evolution Equity Partners at a $6.4B valuation, pays for an "agentic control plane" that has no release date yet.
6 Oct 2026 · TrustList Editorial
Diffusion and Lightspeed co-led the legal AI vendor's second round of 2026. Harvey says 80% of Am Law 100 firms use its tools; that figure…
6 Oct 2026 · TrustList Editorial
The Singapore company's first outside money, led by Jungle Ventures, pays for engineers in nine markets, an office in Japan and its NEO…
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