According to a post on the Unified Communications Group Team Blog we can expect a public beta of the Release Candidate in a few days.
From the blog:
“Thousands of people in our early Technology Adopter Program, or TAP, already rely on “14” to provide their phone, conferencing, messaging, and other communications, many of them since February. This number will increase dramatically when we make the release candidate (RC) software available in a few days.”
There is a lot of material over at www.msteched.com and here is a list of the CS 14 related stuff.
UNC311 CS “14”: Architecture
UNC312 CS “14”: Network Considerations
UNC313 CS “14”: Voice Architecture and Planning for High Availability
UNC314 CS “14”: Voice Deployment
UNC315 CS “14”: Setup and Deployment
UNC316 CS “14”: Monitoring and Reporting
UNC317 CS “14”: Management Experience
UNC318 CS “14”: What’s New in Conferencing Experience & Backend
UNC320 CS “14”: What’s New in Communicator “14” Experience & Backend
UNC321 CS “14”: Interoperability: Voice, Video, Conferencing, IM, & Presence
UNC208 CS “14”: What’s New in Devices
There’s a webcast over at Technet Edge of Jaime Stark and John Durant (From TechEd) that is a must see.
Jaime Stark and John Durant tell us about some of the cool new capabilities in Office 2010 and Office Communication Server 2010 at Ch9Live during TechEd North America 2010. They discuss the keynote demo, trends they see happening in the communications industry, and various other topics such as:
http://edge.technet.com/Media/Unified-Communications-in-2010-and-beyond-Interview/
HP has a “Microsoft product release chart” on its Large Enterprise Business page and it states that OCS 14 / 2010 will be released in Q4 of 2010 so in about a year from now, i would have hoped for Q2 since i predict that its going to have some kick ass features.
Source http://h30458.www3.hp.com/us/us/ent/808787.html
However Computerworld wrote: SharePoint 2010 and OCS 2010 are expected to ship in May or June of next year, although Microsoft has not released an official ship date. about one week ago
You can read more in their article about Exchange 2010 here