Calizu unifies VoIP, messaging, and email into a single, elegant software solution — so your team stays connected without the complexity.
Everything your business needs to communicate — crystal-clear calls, instant messages, and professional email — all managed from one dashboard.
Enterprise-grade voice with HD audio, intelligent call routing, and seamless scalability from 5 to 5,000 lines.
Real-time team chat, SMS campaigns, and customer messaging — all encrypted, all in one place.
Professional email hosting with custom domains, anti-spam protection, and powerful admin controls.
We don't bolt services together. We engineered them from the ground up to work as one.
Voice, chat, and email share one identity layer — so contacts, permissions, and history follow users everywhere.
End-to-end encryption, SOC 2 compliance, and role-based access controls keep your data locked down.
Add 10 users or 10,000 — our elastic infrastructure grows with you and bills only for what you use.
Dedicated migration engineers handle number porting, email migration, and team training at no extra cost.
From sign-up to your first call in under 15 minutes.
Create your workspace and invite your team with a single link.
Choose numbers, set up email domains, and customize your channels.
Connect your CRM, helpdesk, or any tool with our open API.
Start calling, messaging, and emailing from one unified dashboard.
We ditched three separate vendors and consolidated everything on Calizu. The unified inbox alone saved us 12 hours a week.
Call quality is night-and-day better than our old PBX. And the API integrations with our CRM were plug-and-play.
Our support team handles twice the ticket volume now. Having SMS, email, and calls in one view is a game changer.
All plans include VoIP, messaging, and email. Scale up when you're ready.
Billed annually
Billed annually
Tailored to your needs
Absolutely. We handle number porting for free on all plans. The process typically takes 3–5 business days and we keep your lines active during the transition.
No lock-in contracts. You can pay monthly or save with annual billing. Cancel anytime — we'll even help you port your numbers out if you leave.
We guarantee 99.99% uptime backed by an SLA. Our infrastructure runs across multiple availability zones with automatic failover and real-time monitoring.
Yes — we offer native integrations with Salesforce, HubSpot, Slack, Microsoft 365, Google Workspace, and dozens more. Plus, our REST API and webhooks let you build custom integrations.
All communications are encrypted in transit and at rest. We maintain SOC 2 Type II compliance, support HIPAA BAAs for healthcare clients, and offer SSO/SAML on Enterprise plans.
Ready to unify your communications? Drop us a line and we'll get back to you within 24 hours.
Under 24 hours, guaranteed
Custom demos available for teams of 50+
Thanks for reaching out. Our team will get back to you within 24 hours.