Microsoft

Microsoft Office Communications Server 2007 R2 is the latest update to Office Communications Server 2007.  It is a software-based communications infrastructure platform with APIs.  OCSR2 includes the following features:

- Presence
- Instant Messaging
- Web Conferencing
- Video Conferencing
- High Definition Video
- Dial-in Audio Conferencing
- Persistent Group Chat Rooms
- Team Calling
- Communicator Web Access
- Rich Client and Web-based Desktop Sharing
- Comminicator Mobile for Windows Mobile
- Microsoft Office Integration
- Enterprise Voice
- Rich Telephony Devices
- PSTN Connectivity
- Call Treatment, Queuing and Routing 
- Attendant Console
- Microsoft Management Console Support
- Monitoring Tools for Communication
- Single Number Reach for Mobile Phones
- Session Initiation Protocol (SIP) Trunking
- Secure Business Federation
- On-Premises Conferencing
- Response Groups
- Support for Virtualization
- System Center Operations Manager Support
- Archiving, Call Detail records
- Visual Studio Support
- Embeddable Presence
- UC Activities for Windows Workflow
- UC-Managed API for Call Control (SIP Stack)
- UC-Managed API for media (voice and video)
- UC-Managed API for Speech Technology
- Microsoft Speech Recognition and Synthesis