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How Enterprise PBXs Connect to PSTN

How Enterprise PBXs Connect to PSTN

When a user connected to an enterprise PBX makes a VoIP phone call to a customer’s landline or mobile phone, the communications protocol has to be converted. In this article, we explain how gateways and SIP trunks enable interoperability between a PBX and the PSTN.

What is WebSocket?

What is WebSocket?

Recently, we published a blog post describing why WebSockets are great for real-time services. In this article, we describe the process of establishing, maintaining and closing the WebSockets connection.

Call Tracking: Why Should Your Business Use It?

Call Tracking: Why Should Your Business Use It?

Analyzing sources of customer requests is a very important business task. When you’re dealing with web traffic, it’s fairly easy to do — businesses can get behavioral customer data with the help of services like Google Analytics. However, when it comes to calls, it might get difficult. Call tracking is a simple solution.

Voximplant Kit updates. January 2025

Voximplant Kit updates. January 2025

New Features in Voximplant Kit: Update overview. We are constantly working to improve our product to make it easier to use and more effective for you. In this update, we have added several useful features. Here’s what’s new:

Grok Voice Agent API now available in Voximplant

Grok Voice Agent API now available in Voximplant

Voximplant now includes a native Grok module that connects any Voximplant call to xAI’s Grok Voice Agent API for real-time, speech-to-speech conversations. With a single VoxEngine scenario, you can interact via audio with Grok over phone numbers, SIP trunks and infrastructure, WhatsApp Business, or WebRTC into Grok — all without building custom media gateways or WebSocket streaming infrastructure.

Extend Cartesia Line Agents to SIP, WhatsApp, and Global Phone Networks

Extend Cartesia Line Agents to SIP, WhatsApp, and Global Phone Networks

Voximplant now includes a native Cartesia Line / Agents connector that connects any Voximplant call to a Cartesia Line voice agent for real-time, speech-to-speech conversations—over PSTN, SIP, WebRTC, or WhatsApp Business Calling—without building custom media gateways or WebSocket streaming infrastructure.