OnePbxCloud is a free Chrome add-on developed by OnePbxCloud. It is a WebRTC client for PBX that aims to make communication easy and cost-effective.

With OnePbxCloud, users can enjoy various features such as audio calls, video calls, conferencing, call hold, call transfer, call park, and mute/unmute. The add-on also offers a call history feature, allowing users to easily track their past calls. Additionally, OnePbxCloud provides a phonebook feature for quick access to contacts and extension settings for customization.

OnePbxCloud goes beyond just voice and video communication. It also offers features like voicemail play and download, fax record, and instant messaging through chat and SMS. This comprehensive suite of features makes OnePbxCloud a versatile and powerful tool for PBX communication.