As Steve Foy mentioned in a previous comment on the site. Cisco Unified Communications Manager Express version 4.3 is available for the ISR Router Platform.

It looks like next month's release of UC520 software will include a version on Unty Express 3.X with all the new features except for the IVR updates (Database dips and such) from the release notes

TonyH a Technical Marketing Engineer for CME at Cisco passed along the attached document on how to configure Call Manager Express to use SIP phones. What a great resource! Thanks Tony.

Cisco has a great guide on how to change the bacground image on a 7970 or 7971 phone. One thing the tech note does not mention is

Starting with version 4.1 of Cisco Unified CallManager Express, Cisco has introduced support for hardware based multiparty conferencing. This is a great improvement over the default software based conferencing that is also available in CallManager Express. What this means is that Call Manager Express can support up to 32 parties in a Conference call using the G.711 codec and up to 16 parties in a conference Call using the G.729a or G.729ab codecs. This is a

Cisco Unity Express 3.0 has started shipping.

Call Manager Express Features include:   We will add links to configuring these features in the future

Call Center Features in CallManager Express

CallManager Express supports several call center features previously unavailable in a small business environment.