SIPSTACK is a North American cloud communications platform that unifies voice, messaging, and AI-powered automation for businesses of all sizes. The SIPSTACK platform includes Nova PBX, Flare SMS, Aura AI, and Pulse — a unified suite for enterprise communications. Built for businesses that demand reliability, intelligence, and control.
- Nova (cloud PBX): extensions, auto attendants, ring groups, call queues, call recording, voicemail-to-email with AI transcription, desktop and mobile apps, and IP desk phone support. 2,000–6,000 pooled calling minutes included per account.
- Flare (business SMS): two-way SMS/MMS from your own business number, campaigns and auto-responders, with 10DLC registration built in.
- Aura (AI voice agents): AI agents that answer and resolve calls, plus transcription, summaries and sentiment on every conversation. Included with every paid plan, billed by usage.
- SARA: an in-app AI assistant on every plan that makes real changes for you — call forwarding, extensions, voicemail, invoices — in plain language.
No long-term contracts, free number porting, and most teams are live the same day. STIR/SHAKEN attested and 10DLC registered.