More than just dial tone. Get consistent origination, clean number management, and the operational tooling to scale SIP trunk services under your brand.
SIP trunking is the modern standard for delivering inbound and outbound calling over an IP connection instead of traditional phone lines. A SIP trunk connects your PBX, contact center, or AI voice platform to the public telephone network (PSTN).
Designed to be easier to sell, deploy, and support than legacy carriers.
We aggregate roughly half a dozen major carriers to reduce single-point dependencies.
Tools built for providers, not just end users.
Manage multiple tenants with clean separation.
Whether connecting a PBX or an AI agent, we support the deployment patterns you need.
Connect your platform to the world. We handle the complex routing so you get clean audio and high connection rates.
Global DIDs
Flexible Routing
Frictionless number operations. Provision new numbers instantly or port existing ones with automated workflows.
Inventory Management
Protect your reputation. We support STIR/SHAKEN to improve answer rates and Ray Baum’s Act aligned E911 for safety.
STIR/SHAKEN
E911 Dispatchable
Maintain control with role-based access, customer-level configuration, and detailed CDRs for reconciliation.
Real-time CDRs
Role-Based Access
AI agents need predictable connectivity and clean number management. We provide the PSTN bridge your voice bots need to reach the real world.
Route calls directly to your voice agent infrastructure via SIP.
Enable your workflows to place calls with proper Caller ID and STIR/SHAKEN trust.
Pair SIP trunking with Viirtue AI Agents and AI Insights for a complete voice intelligence stack.
If you are selling SIP trunks, accurate billing matters. Viirtue can pair trunking with ViiBE so usage is captured cleanly and packaged correctly.
Offer SIP trunks under your brand. Scale customers without rebuilding backend infrastructure.
Standardize trunking for on-prem or hosted PBXs. Simplify moves, adds, and changes.
Attach numbers to AI agents and enable calling from automation workflows.
Route inbound DIDs into your platform and scale capacity without physical circuits.
Most SIP environments support common trunking connection models. Share your topology and requirements and we will recommend the best approach for your environment.
Yes. We have self-service number porting and ordering tools at your disposal along with a best-in-class LNP (line number portability) team to answer any questions you might have.
Yes. Many AI voice solutions use SIP trunking for inbound and outbound calling. We can help you align routing to your call flow and deployment model.
Get the carrier reach, number management, and provider-focused operations to grow confidently.
Automate calls with smart, human-sounding voice agents built for scale.
Uncover real-time customer insights with AI-powered emotion and intent detection.
Viirtue’s free, full-service tool for MSPs.
Free for all Viirtue partners, ViiBE makes quoting and billing seamless, so you can grow your business efficiently while serving your clients better.
