Openphone

Quo is an AI-powered business phone system for startups, small businesses, and teams that want calls, texts, and contacts in a shared workspace across Web, iOS, Android, and desktop.

Key capabilities include:

• VoIP calling and messaging with unlimited calling and SMS to US and Canadian numbers, plus one local or toll-free number per user
• Team collaboration with shared phone numbers, conversation history per contact, call transfers, and group calling
• Call handling and oversight with IVR/auto-attendant, voicemail-to-text transcription, call recording (on-demand in Starter; automatic in higher tiers), and analytics/performance reporting
• Automation and integrations via the Sona AI agent (with automation credits), plus integrations such as Slack, Zapier, HubSpot, and Salesforce, and the Quo API

Pricing: Paid per user per month (monthly or discounted annual billing); Starter $15 to $19/user, Business $23 to $33/user, Scale $35 to $47/user. A 7-day free trial is available.

Notable for combining a shared team inbox for calls and SMS with an AI receptionist (Sona), plus CRM integrations and an API, which helps teams handle inbound conversations and routing without relying on a single person to stay available.