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Voice AI agents for legacy cloud PBX platforms

Add AI assistants to FreeSWITCH, BroadSoft, NetSapiens, Asterisk, and similar UCaaS platforms without upgrading infrastructure.

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The AI assistant challenge

Legacy platforms can't deliver human-like AI conversations due to outdated technology, complex infrastructure, and reliability issues.

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Legacy platforms slow you down

Most PBX and UCaaS platforms designed to interconnect only with other VoIP systems. Adding there a voice AI platform such as ElevenLabs via SIP trunk requires advanced configuration of SIP settings and results in errors or wasted time (by the customer and CSP).

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No easy-to-use UI for the end-user

Even if you succeed in setting up a SIP trunk to AI platform - how exactly the end-user is supposed to add AI agent into a call? The only option is feature code like #894*, which results in poor UX and many mistakes

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Missed calls meant missed revenue

"Our team could only handle one call at a time. Most customer calls landed in voicemail—especially after hours—so we lost out on sales we never even knew about."

— Operations Manager, SMB Retail Chain

Waiting frustrated loyal customers

"Long wait times and endless automated menus frustrated our customers. After-hours calls just piled up, and the next morning started with unhappy callers demanding answers."

— Customer Service, Insurance Broker

IVR systems couldn't keep up with changing needs.

"Our legacy IVR feels more useless every day. Callers have urgent needs and want quick answers. We constantly heard complaints about it being out of touch."

— IT Director, Healthcare Provider Network

Reliability is non-negotiable for high-value clients.

"Inconsistent quality and dropped calls undermine trust, especially in big contracts. We needed flawless reliability, not risky tech that made customers question our expertise."

— Project Manager, Construction Firm

How WebTrit solves it

Bridging legacy PBX with modern AI systems

WebTrit Connects legacy PBX or UCaaS platforms with real-time AI agents and cloud APIs. It removes the manual SIP setup steps between PBX and AI platforms – no forwarding rules, no CLI commands, no time lost troubleshooting.

What it bridges

SIP voice streams →

with AI processing layer (speech recognition, TTS)

PBX call logic →

with cloud automation workflows (CRM, ticketing, analytics)

Human agents →

with AI copilots for call assistance and routing

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While the call is active

WebTrit routes every call through an AI-aware pipeline. This enables real-time understanding, smart actions, and smooth transitions between bots and humans — with no changes to the PBX setup.

Speech is transcribed and analyzed instantly by connected AI systems.

Intent and context are passed to external AI systems in real time

External AI tools can then automate tasks like CRM updates or summaries.

A human agent can take over seamlessly without call disruption.

Features & why it’s better

What makes WebTrit different

WebTrit integrates Voice AI agents with legacy PBX systems and cloud APIs.

Simplified configuration

Connecting legacy PBX systems (like BroadSoft or FreeSWITCH) with AI engines (like ElevenLabs) usually means complex SIP trunk routing, forwarding rules, and admin headaches. WebTrit automates this process – no manual setup, no wasted time.

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User-friendly AI control

Even after setup, users need an easy way to activate or manage AI assistants mid-call. WebTrit provides a clear interface to add, switch, or disable AI agents directly from the call screen — no codes, no confusion.

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Rapid deployment, simple scaling

Deploy WebTrit the cloud and add AI assistants to your VoIP system in just one day - with no config changes on PBX side. SaaS fee is based on the actual usage (number of concurrent calls).

WebTrit WebRTC phone Upgrades

White-label softphone SDK

With WebTrit's open-source SDK, you can create a branded softphone (your logo, colors, etc.) and add custom widgets to UI (for example targeted promo offers to your customers).

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This solution is built for

CSPs and enterprises already running BroadSoft, NetSapiens, or similar cloud PBX platforms, and looking to enhance service offerings without platform migration.

  • How WebTrit compares to others
  • WebTrit
  • Other vendors
WebTritOther vendors
Open and adaptable
Rigid and closed
Platform compatibilityRuns on top of existing PBX and UCaaS platformsOften requires full migration to new systems
ConfigurationAutomated, no manual SIP configurationManual setup via CLI and routing
CustomizationFully customizable using open SDKs and APIsLimited to vendor-defined options
IntegrationConnects easily to CRM, analytics, and AI modelsClosed or proprietary connectors
Pricing modelOnly pay for the actual usage (concurrent calls)Per-seat licensing
Release speedContinuous SDK updates and agile releasesVendor roadmap dependent
End-user experienceEasy-to-use app interface, minimal admin workManual dial codes and complex instructions lead to user errors

WebTrit saves operators hours of setup and gives users one-click control of AI assistants — without changing existing infrastructure.

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contact@webtrit.com

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WebTrit, Inc.
16192 Coastal Hwy
Lewes, DE 19958
Tel +1 360 973 3330

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