> ## Documentation Index > Fetch the complete documentation index at: https://docs.cognigy.com/llms.txt > Use this file to discover all available pages before exploring further. # Overview > Cognigy Voice Gateway enables voice-based AI experiences including speech recognition, natural language understanding, and text-to-speech conversion for contact centers. *Cognigy Voice Gateway* is an AI-based solution to deploy voice AI Agents for automated phone conversations. It is seamlessly integrated with the Cognigy.AI platform and allows you to connect your AI Agent to your contact center. Voice Gateway provides you with voice-based services, such as phone calls, voice assistants, and smart speakers. Also, Voice Gateway can perform various functions, such as speech recognition, natural language understanding, dialogue management, text-to-speech and speech-to-text conversion. Voice Gateway is installed in addition to the main product [Cognigy.AI](/index) and cannot be used independently. If you want to use Voice Gateway, contact [Cognigy technical support](/help/get-help) to get access. Voice Gateway Overview