Enable Detailed Error Messages in MOSS 2007 and WSS3.0

To get more detailed messages in MOSS 2007 and WSS3.0 during development process, user can enable debugging in the web.config file for the SharePoint web application:

SafeMode MaxControls="200" CallStack="true" DirectFileDependencies="10" TotalFileDependencies="50" AllowPageLevelTrace="false"

And:

customErrors mode="Off"

This should make development process so much pleasant and more efficient, by getting rid of "An unexpected error has occurred" error, which is useless to the developers.

Note: It's not recommended to have debugging enabled on the production server, if possible, please do all your debugging on the development server(s)

Openfire 3.5.2 and Spark 2.5.8

Openfire (formerly Wildfire) is a cross-platform real-time collaboration server based on the XMPP (Jabber) protocol.
You can check here this Opensource solution.
Using Spark 2.5.8 with Phone plugin is excellent for IM solution and asterisk VoIP integration.