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.
2020-11-11
166701
Starting on April 25 we change our callPSTN API: “caller id” is no longer optional and must be specified.
2018-04-04226812
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.
2025-10-277660
New integrations for Voice AI have arrived: Google's Gemini 2.0 Flash model, featuring seamless voice-to-voice conversation capabilities and ElevenLabs low-latency streaming speech synthesis are now available for Voximplant developers
2025-03-3186058
Voximplant has added Secrets, a dedicated credential store for API keys, tokens, and other sensitive values that VoxEngine scenarios need at runtime
2026-04-271016
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.
2026-01-1412668
Today Ultravox announced they are directly integrating Voximplant into their platform to provide SIP capabilities. The integration builds on Voximplant’s deep telephony and Voice AI tooling
2025-10-296541
Voximplant AI Agent Skills let your coding agent build and ship voice applications without switching tools
2026-06-11188
Voximplant now lets developers build full-cascade voice AI pipelines in VoxEngine without sacrificing turn-taking quality.
2026-03-262928
Voximplant now includes a native MCP Client for VoxEngine, giving developers direct connectivity to any MCP server and full control over every tool call
2026-06-03347
