From Srimax Software System:
Cross-platform Text & Voice Chat, File transfer inside Office & Remote Offices. Smartphone supported.
Traditional instant messengers are not the best solution for communicating with co-workers in a large office building. Besides the fact that anyone from the outside can interrupt your work, there are also a few risks regarding security. An excellent alternative is OMessenger, an award winning software which is designed specifically for secure Office communications. The software provides the same functionality as other instant messengers, but it relays messages over a local network or VPN. The software offers real-time Textual Communication, Voice Communication and File between users of local network conveniently and quickly, and is designed for used in Small Office/Home Office (SOHO), Small to Medium Business (SMB), and Workgroup to Enterprise environments. Key Features include Instant One to One Chat, Group Chat, File Transfer, VoIP Voice Chat, Offline Messaging, Remote Desktop Sharing, MS Outlook Plug-in, Remainder, and Alert Notes. The Software adopts Serverless (P2P) technology; so no dedicated server or Internet connection is required. Just download and install the software in all the computers, and the program is ready to use. Users need not add friends list manually, it's automatically done.
The Software is compatible in LAN, Terminal Services, Sub-Network, VPN, WAN, Wi-Fi networks. Available on all the platforms (Windows, Mac, Linux, iOS & Android Smart Phones, Web Browser), users can benefit from its functions everywhere.
Server Pro (optional) brings more Power, Control, and Collaboration to the organization, with a centralized Chat Server for reliable communication. Server Pro key features include Active directory User Authentication, LDAP User Authentication, User & Group Management with permissions, Plugins to Enhance, Android and iOS App for Smartphones and Tablets, Web Browser Client, Mobile Browser Client, Online Helpdesk Plugin, Office Wall Plugin, SDK to develop Custom Plugin.