Cloud Ext vs CollaChat

Cloud Ext is an enterprise-level UC/IP-PBX softphone that works with any SIP Standard UC/IP-PBX and brings all the functionalities onto a mobile device, with automated provisioning to control and manage SIP configurations. The application can be used to stay connected with the business IP PBX phone system from the comfort of their mobile devices. This app helps enterprises/businesses to bring out maximum productivity from their workforce. Users need to configure Cloud Ext with their enterprise IP PBX system to make it functional. Key Features: - Voice & Video Calling - Instant Messaging & Presence - 3 Way Audio Conferencing - Auto-provisioning - Supports TLS and SRTP - Call Transfer, Forwarding, Waiting & History - Built-in echo cancellation - Do Not Disturb - Voicemail - Multitasking support for incoming calls while using other applications - Supports G.711 (ulaw, alaw) and G.729 - Bluetooth accessories support - Supports sending of DTMF

CollaChat is an open source private and decentralized messaging app owned by no one and everyone. It is aimed to leverage blockchain technology to put users back in control of their digital communication, while preserve user experiences that they know and love. Distinguished from the traditional messaging apps, CollaChat has three most important features which revolutionize the communication infrastructure: - Decentralized Colla Network is an unstoppable Web3 decentralized peer-to-peer communication and storage network, Colla DApp (e.g. CollaChat) connects to it via Colla Node. There is no centralized storage and control of user data, users can specify which Node(s) or even easily setup own Node(s) to connect to. - End-to-End Encrypted All messages are end-to-end encrypted, only author and intended recipients can see the content. - Open Source Both Colla Network client side (i.e. Colla DApp, e.g. CollaChat) and server side (i.e. Colla Node) are free and open source for anyone to download, install, run and build own deployment. CollaChat supports Web/Mobile/Desktop and Multi-device. It has most popular messaging and social functions: - Chat (supports text, emoji, voice, photo, video, file, card, supports group chat, supports offline messaging) - Voice/Video Call (supports group call) - Collection & Note - Channel Moreover, it provides some useful privacy protection functions: - Message Self-destruction - Message Recall - Contact/Chat Lock