See SoundLine
in Action
Explore all 33 features grouped into six categories, with step-by-step walkthroughs. Click any demo to see exactly how SoundLine transforms your business communications.
Calling, Texting
& Your Numbers
The foundation of SoundLine: unlimited crystal-clear calling and messaging, the numbers your business runs on, and the routing that gets every caller to the right place — all over a 99.99%-uptime network.
- Unlimited calling, SMS & MMS with one free number
- Additional numbers, free porting & international calling
- Basic & advanced IVR, branded caller ID and E911
- Desk phones & one-click video calling
AI Call Intelligence
& Virtual Agents
Let AI do the listening, the note-taking, and even the answering. SoundLine transcribes and summarizes every call, reads the room, and can handle entire conversations on its own — in any language.
- Real-time call transcription in 30+ languages
- Post-call summaries & sentiment analysis
- Voice AI Agent & AI Receptionist answer 24/7
- Live call translation between both parties
One Workspace
for Your Whole Team
Calls, texts, chat, voicemail, and tasks in a single hub — on desktop and in the SLC mobile app. Everything your team needs to work together without switching between a dozen tools.
- SLC mobile app, team messaging & shared contacts
- Call recording & voicemail transcription
- SMS auto-responder for after-hours & missed calls
- Built-in project-management tools & tasks
Connected to the Tools
You Already Use
Today you already get two-way SMS sync in the same shared inbox as your calls. WhatsApp messaging (ships with the Elite plan) and Salesforce/HubSpot CRM sync (in final testing) are both coming soon.
- Two-way SMS sync in your unified inbox — available today
- WhatsApp messaging — ships with Elite, coming soon
- Salesforce & HubSpot CRM integration — in final testing, coming soon
Insights & Control
Across Every Location
Know exactly how your phones are performing and manage every office from one place. Live dashboards, custom reports, and centralized admin controls give leaders the full picture.
- Real-time analytics & reporting dashboards
- Advanced reporting with 50+ custom data points
- Multi-location management from one account
- Role-based access with audit-ready controls