VoIP & Telephony companies

sipgate is a German telecommunications company and SaaS provider developing cloud telephony, contact center, AI agent, and conversation intelligence solutions f…

Aircall provides a cloud-based phone system and call center software that integrates voice, SMS, WhatsApp, and digital channels with syncing across 200+ busines…

Rebtel is a Stockholm-based telecommunications company offering affordable international mobile top-up services and cheap international calls to over 20 million…

Vail Systems is a telephony software and cloud services provider that builds scalable platforms to support billions of customer conversations annually for consu…

Crexendo is a cloud communications provider offering UCaaS, CCaaS, and AI-powered platforms to businesses worldwide, supporting over 2.5 million end users from…