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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.

Cartesia Realtime TTS now available in Voximplant

Cartesia Realtime TTS now available in Voximplant

Voximplant now includes a native Cartesia module for streaming, low-latency text-to-speech (TTS). You can use a single VoxEngine API to synthesize speech in real time, connect it to any call (PSTN, SIP, WebRTC, WhatsApp) and control playback from a Large Language Model (LLM) or other source, all inside VoxEngine.

What Is a Voice AI Orchestration Platform?

What Is a Voice AI Orchestration Platform?

Learn how a Voice AI Orchestration Platform connects LLMs, STT/TTS, turn‑taking, and telephony (PSTN, SIP, WebRTC) to build reliable real‑time voice agents. See benefits, architecture, and how Voximplant helps.