Respond.io PBX is a Chrome extension designed to seamlessly integrate SIP telephony into the Respond.io platform. This tool enables teams to make and manage calls directly within their conversation interface, enhancing the customer support and sales experience. Key features include the ability to initiate calls from contact contexts, real-time SIP status monitoring, and integrated call control through a built-in PBX panel. Additionally, the extension supports outgoing calls via SIP/WebRTC directly from the browser, ensuring a smooth user experience.

The extension operates with a focus on maintaining consistency across active tabs and provides real-time updates on SIP status and call states. It also includes automatic reconnection attempts for temporary disconnections and remote audio handling for call notifications. Respond.io PBX is specifically tailored for sales and support teams that require efficient communication tools without the need to switch between different applications.