
E.164: How to Enable Your Communications Apps to Go Global
Each country has established an independent phone number format valid only for local communications. To reach customers worldwide, you should apply the E.164 phone number format.

Each country has established an independent phone number format valid only for local communications. To reach customers worldwide, you should apply the E.164 phone number format.

Traditionally, companies have used a direct inward dialing service to route calls through an on-premises PBX directly to the internal phone number of an employee. It allows the company to use one physical trunk line to connect multiple employees.

Nowadays, one of the useful tools of text message marketing is short codes. Businesses switch from long to short codes to make phone numbers more memorable and reliably distribute a higher volume of SMS messages.

Connect any Voximplant call to ElevenLabs Conversational AI agents

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 supports Inworld's Realtime API, so you can bring Inworld's expressive, conversation-aware agents into real phone calls, SIP, and WhatsApp without custom media infrastructure

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.

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.

Voximplant now includes a native MCP Client for VoxEngine, giving developers direct connectivity to any MCP server and full control over every tool call

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

Voximplant has new realtime speech generation for voice AI from Inworld, our latest Voice AI text-to-speech (TTS) partner. Together, we combine state-of-the-art TTS with carrier-grade connectivity so you can build voice agents that sound like your brand, not a generic robot.