Give your SIP customers a modern browser softphone without changing their PBX.
Your delivery. A voice you choose.
Transform your microphone during a live call while preserving the timing and expression of your speech. Voice activity detection finds natural pauses, while continuous playback keeps the conversation flowing.
Hear what the other side hears.
Pick a voice and talk normally. Your converted voice streams back into your browser with the same smooth playback system used during calls.
Siren
Natural and conversational
Use your existing business phone numbers directly inside Chrome.
Keep your PBX, SIP extensions, phone numbers and call routes. Give every employee a WebRTC browser softphone for making and receiving calls in Chrome.
Browser Calling from Any Tab
Make and receive business calls directly from Chrome while keeping your existing phone numbers, SIP extensions and PBX.
WebRTC SIP Softphone
Connect assigned SIP credentials to a modern web softphone without replacing or migrating your current phone system.
Chrome SIP Softphone
Open the browser phone from any Chrome tab and keep calling while moving between websites and business tools.
Make and Receive Calls
Handle inbound and outbound browser calls with mute, hold, transfer, keypad controls and incoming-call alerts.
PBX Extension Management
Connect SIP extensions, assign them to users and manage browser-phone access from one workspace dashboard.
Call Records and Insights
Keep call history, recordings, transcriptions, notes, usage data and live team activity together.
A plan for every stage of your calling product.
Start free, equip your team, or launch a fully branded softphone for your VoIP customers.
For solo users getting started with browser calling
- 1 user included
- Chrome extension softphone
- Bring your own SIP provider
- Manual calling from any website
- Keypad and recent calls
- No recordings or transcriptions
- Community support
One affordable plan with everything included
- Unlimited users
- Users and extension assignment
- Call history dashboard
- Call recordings
- Transcriptions
- Shared notes
- CRM and webhook integrations
- Analytics, usage, and word cloud insights
- Auto recording and transcription
- Live call monitoring
- Live AI voice conversion
- Every workspace feature included
A branded softphone solution built for VoIP providers
- Your logo, colors, domain, and product name
- Connect your existing SIP infrastructure
- Multi-tenant provider administration
- Branded web app and Chrome extension
- API-led user and extension provisioning
- Provider analytics and service visibility
- Launch planning and technical onboarding
White-label pricing is tailored to your platform, customer base, and rollout requirements.