VOICE AGENTS / BUILT FOR TELEPHONY
Voice agentsbuilt forreal telephony.
Proprietary voice models tuned for phone audio, on a carrier-grade telephony stack. Spin up an agent that answers real calls in your language, without stitching five vendors together.
TRUSTED BY TELECOM OPERATIONS
Voice agents- 200+operators on SIP termination
- 1M+minutes of audio processed in 2025
- 2.4Kagent hours per month
WHAT YOU CAN BUILD
Five voice agents you can build today.
Active collections that speak like a real person.
The collections agent: script tuned by your compliance, CRM integration via REST API, natural human-like voice via pulse-tts-agent. You own the experience, we stay as your partner.
- →Live from the Studio, no code
- →CRM integration via REST API + webhooks
- →Natural, human-like voice via pulse-tts-agent
- →REFER transfer with full conversation context
Outbound qualification in 30 seconds, 24/7.
The agent calls the lead the moment they raise their hand. Qualification criteria tuned for you, direct booking into the SDR calendar, hot handover for humans to close.
- →Live from the Studio, no code
- →Triggered from your form or MAP webhook
- →Google Calendar and Outlook via API
- →Hot handover to humans to close
Booking over the phone, no app, no queue.
The agent books appointments, exams or services by voice. Checks your scheduling system in real time via API, sends WhatsApp confirmation, reminds 24 hours ahead to cut no-shows.
- →Live from the Studio, no code
- →Calendar lookup via API (Google, Outlook or yours)
- →Automatic WhatsApp confirmation
- →Reschedule and cancel on the same call
Tier 1 resolved without a human queue.
The agent picks up, identifies intent, looks up data in your system via API and answers. When it needs a human, it transfers via REFER with the conversation transcript ready. Humans only see calls that truly need humans.
- →Live from the Studio, no code
- →Data lookup via REST API + webhooks
- →REFER transfer with full context
- →Real-time transcription via Pulse Telephony
Personalized notifications at scale.
The notification agent: more effective than SMS, more respectful than generic robocalls. HD voice via pulse-tts-narration on IP channels (WhatsApp, WebRTC, Widget, private SIP), accepts inline responses, delivery + sentiment metrics.
- →Live from the Studio, no code
- →HD voice via pulse-tts-narration on IP channels
- →Scheduled dispatch via API or cron
- →Accepts inline responses (confirm, cancel, talk)
HOW IT WORKS
From signup to live calls, without a project.
You do not need an engagement to start. Create an account and the whole stack is already there: models, console, playground and telephony.
- 01
Create your free account
No credit card. Sign up in seconds with Google, Microsoft or email.
- 02
Build and test in the Studio
Console and Playground in one place: pick your STT, TTS and LLM, and test on real audio before you ship.
- 03
Connect your SIP trunk
Keep the carrier and the number you already have. We just put the agent on the line.
- 04
Go live
Every call event delivered by webhook, straight into your CRM or back office.
INSIDE THE STUDIO
A workspace built for telephony, not just transcription.
Every voice agent shipped on SipPulse AI was first tested here: STT, TTS, LLM, PII anonymization, all in one console. The same screens your team will live in once you go live.
Real-time usage, cost and performance across every AI service in one workspace.





Transparent pricing in BRL and USD
Voice agents, chat agents, audio intelligence and direct model access. Pay-per-use, no seats. Telephony transcription from $0.002/min, up to 66% cheaper than OpenAI.
No credit card
ENTERPRISE
Prefer we build it with you?
High volume, on-premise, or a regulated environment? We map the use case in a free 30-minute call, then run a paid discovery that is fully credited if the project moves forward. This is also where Edge NIVA runs: block-based IVR plus agents on your own infrastructure, priced per channel, with audio that never leaves your network.
- 01
Free consultation
A 30-minute call to map the use case and confirm fit. No deck, no fluff.
FREE · 30 MIN - 02
Discovery session
Paid in-depth session with our specialists. We map the call flow, integrations, regulatory constraints, success metrics.
PAID · 2-4 H - 03
Technical assessment
We design the architecture, pick the right runtime (Cloud Studio vs Edge NIVA), select models, define the integration path.
INCLUDED IN DISCOVERY - 04
Custom proposal
Detailed scope, timeline, token-based pricing tailored to your volume. No surprise fees.
WITHIN 5 BUSINESS DAYS - 05
Deploy and optimize
Pilot in production with real traffic. We instrument every call, iterate on quality and cost weekly.
TYPICALLY 30 DAYS TO LIVE
※Discovery fee is fully credited if the project moves forward.
STACK THAT FITS YOURS
Connects to what you already have.
No rip-and-replace. The runtime speaks SIP, WebRTC, REST, WebSocket and the WhatsApp Business API. Drop in next to your PBX, your CRM, your dialer.
TELEPHONY
SIP / RFC 3261
INVITE, REFER, BYE, RTP, full signaling. Plug into your existing trunk or your PBX.
AITRUNK
Public PSTN termination domestically in Brazil, HD voice end to end.
UniMRCP
Media resource control for speech engines you already operate.
MESSAGING
WhatsApp Business API
Official API, scalable templates, two-way handoff to voice.
Telegram
Bot API integration for support and notifications.
Web Widget
Embeddable chat + voice widget for your website. One snippet.
BUSINESS SYSTEMS
REST + WebSocket APIs
Wire your CRM, ticket system, ERP. Webhook on every interaction.
Google Calendar / Outlook
Native scheduling with real-time availability and confirmation.
NIVA Platform
Drop voice agents into existing NIVA IVR flows or replace them.
Questions before you start
What is SipPulse.ai?
SipPulse.ai is a Voice AI platform that combines voice agents, WhatsApp agents, and audio intelligence in a unified API-first platform. It enables businesses to automate customer communication with natural, human-like AI conversations.
How does SipPulse AI pricing work?
SipPulse AI uses token-based, pay-per-use pricing. Voice agents are charged per minute, chat agents per message, TTS per character, and audio intelligence per hour. There are no fixed seats or upfront commitments.
What integrations does SipPulse AI support?
SipPulse AI integrates with WebRTC for browser-based voice, WhatsApp Business API, SIP Protocol for telephony, UniMRCP for speech servers, NIVA IVR platform, and custom REST/WebSocket APIs.
Can I try SipPulse AI before buying?
Yes. SipPulse AI offers live demos with no signup required. You can talk to a Voice AI agent, test text-to-speech synthesis, and analyze audio with Pulse Telephony directly in your browser at sippulse.ai/demos.
What languages does SipPulse AI support?
SipPulse AI supports multiple languages for speech-to-text, text-to-speech, and text generation. It is optimized for Portuguese, Spanish and English, with additional language support available.
NEXT STEP
Start free, or run a 30-day pilot on real calls.
Create an account and build your first agent in minutes, no credit card. Or, if you would rather we prove it on your operation, we deploy one use case in 30 days and you keep what works.
No credit card to start · Pilot: free consultation, discovery credited on approval