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SIP Trunk · for any WhatsApp number

SIP Trunk for
WhatsApp
— calls + AI chat

Connect your contact center, PBX or CRM to any WhatsApp number using reliable SIP trunking. No lock-in, full control.

Start free for 7 days See how it works
Works with Asterisk FreePBX 3CX Isabel Any PBX
None
Approval needed
~ Hours
Setup time
∞
Calls included
Business
& Regular
WhatsApp types
Features

Everything you need to connect

A complete SIP trunking solution built specifically for any WhatsApp (Business or Regular).

🔀
Intelligent call routing

Route incoming WhatsApp calls to the right agent, queue or IVR. Outgoing calls to any WhatsApp number.

🔌
Native SIP integration

UDP, TCP or TLS transport. Audio codecs — OPUS, PCMU, PCMA, G.729

🌍
Global Coverage

Make and receive calls worldwide.

🤖
Bot & AI ready

Integrated AI assistant. Handle routine queries automatically before routing to a human.

📱
Any WhatsApp number

Use your own number as a linked device — Business or regular. Or use our ready US WhatsApp numbers.

✅
No approval required

No waiting weeks for Meta to approve your business. Connect in hours, start taking calls the same day.

Specifications

Built for production

Technical specs designed for enterprise-grade deployments with zero compromise on reliability.

Calls
∞ In · ∞ Out
Unlimited, no per-minute fees
Transport
UDP · TCP · TLS
Full SIP protocol support
Audio codecs
OPUS · PCMU · PCMA · G.729
All standard codecs supported
AI chatbot
Text & links
24/7, no 24h window limit
Setup time
~ Hours
From signup to first call
WhatsApp types
Business & Regular
Your number or our US numbers
Why SipTrunk

How we compare

See how SipTrunk stacks up against traditional alternatives.

Feature SipTrunk Official WhatsApp Business (Meta)
Business registration approval ✓ Not required ✗ Required
Connection time Hours Weeks
Protocol SIP, WebRTC WebRTC only
Transport UDP, TCP, TLS TLS only
Audio Codecs OPUS, PCMU, PCMA, G.729 OPUS only
Inbound calls Free Free
Outbound calls Free Per-minute rates
Works with WhatsApp Business ✓ ✓
Works with regular WhatsApp ✓ ✗
Manual message replies ✓ ✗
Message responses AI chatbot — any text & links Approved templates only
Response availability Always 24-hour window only
Pricing

Simple, transparent pricing

No hidden fees. No per-minute charges. Start free, scale as you grow.

Monthly
Flexible month-to-month plan
$ 20 /month
  • Unlimited inbound calls — free
  • Unlimited outbound calls — free
  • AI text chatbot (text & links)
  • Inbound & outbound messages — free
  • Any WhatsApp number (Business or regular)
  • No approval required
Get started
Best value
Annual
Save 25% — $15/month billed annually
$ 180 /year

= $15 / month

  • Unlimited inbound calls — free
  • Unlimited outbound calls — free
  • AI text chatbot (text & links)
  • Inbound & outbound messages — free
  • Any WhatsApp number (Business or regular)
  • No approval required
  • US WhatsApp numbers available
  • Priority support
Get started

Need more? Contact us for Enterprise pricing.

Get in touch

Ready to connect?

Tell us about your setup and we'll help you get started. Our team typically responds within 2 hours on business days.

✉️
sipforwhatsapp@gmail.com
⚡
Response within 2 hours
🌍
Support in EN, PT, ES, FR, DE

We'll reply within 2 hours. No spam, ever.

✅
Message sent!

We'll get back to you within 2 hours.