
PBX Phone System Guide
A PBX (Private Branch Exchange) allows companies to manage incoming and outgoing phone calls. How does it work? Learn the basics of PBX and how to choose the right type for your business.

A PBX (Private Branch Exchange) allows companies to manage incoming and outgoing phone calls. How does it work? Learn the basics of PBX and how to choose the right type for your business.

Softphones let you make calls over the Internet. How do they work? Does a software-based phone bring business benefits? Read on to learn everything you need.

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Call center automation utilizes your resources more efficiently while also providing better customer service

Session Initiation Protocol (SIP) is a signaling protocol that is used to manage multimedia communications, such as voice and video calls
Make, receive and route calls according to your business requirements

Omni channel (“all”, “every”) is a strategy to remove the boundaries between different sales and marketing platforms – traditional street-side, social selling, telecoms, websites, and social media.
According to IDG researchers, 77% of companies today use cloud technology. On the other hand, with increasing popularity, they are becoming more susceptible to cyberthreats. According to Kaspersky Lab, every tenth (10%) leak of data from the cloud was a result of the provider’s actions, while a third of all cyber incidents in the cloud (33%) occurred from employee oversight.

China implemented several restrictions for incoming international calls as a part of regulations on communications and strict spam monitoring.

Even the smallest businesses make plenty of calls on a daily basis. However, this can interfere with work processes and make collaborations less productive. Adopting a technology capable of solving inconveniences associated with traditional phone systems can potentially be a huge benefit. Voice over Internet Protocol (VoIP) allows businesses to make calls over a computer or other data-driven devices. Also, it offers call forwarding, caller ID, voicemail, SMS, and video calls.

Interview with Alexey Aylarov: Are we approaching the era of takeovers?

Case studies from the largest fast food chains

Voximplant now includes a native Deepgram module that connects any Voximplant call to Deepgram’s Voice Agent API for real-time, speech‑to‑speech conversations. You can stream audio from phone numbers, SIP trunks, WhatsApp, or WebRTC into Deepgram’s unified agent environment—combining STT, LLM reasoning, and TTS—and play responses via Voximplant’s serverless runtime with minimal latency.

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.

Voximplant now lets developers build full-cascade voice AI pipelines in VoxEngine without sacrificing turn-taking quality.

Check out the latest useful Voximplant Kit updates — we developed chat analytics, improved call history, added new tools for supervisors, expanded scenario capabilities, and updated the softphone. Below is a brief overview of the essential enhancements.

Connect any Voximplant call to ElevenLabs Conversational AI agents

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.

The new integration enables instant connection of any Voximplant call to an Ultravox agent, delivering seamless voice-to-voice conversations.

OpenAI has recently announced GA version of their Realtime API that Voximplant now fully supports