Release Notes for Cisco Unified Communications Manager and IM and Presence Service, Release 10.0(1)
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About Release Notes

These release notes describe new features, requirements, restrictions, and caveats for Cisco Unified Communications Manager and IM and Presence Service. These release notes are updated for every maintenance release but not for patches or hot fixes.

Unified Communications Manager, the call-processing component of the Cisco Unified Communications System, extends enterprise telephony features and capabilities to IP phones, media processing devices, VoIP gateways, mobile devices, and multimedia applications.

IM and Presence Service collects information about user availability, such as whether users are using communications devices (for example, a phone) at a particular time. IM and Presence Service can also collect information about individual user communication capabilities, such as whether web collaboration or video conferencing is enabled. Applications such as Cisco Jabber and Unified Communications Manager use this information to improve productivity among employees, that is, to help employees connect with colleagues more efficiently and determine the most effective way for collaborative communication.


In the past, export licenses, government regulations, and import restrictions have limited the ability of Cisco to supply Unified Communications Manager and IM and Presence Service worldwide. Cisco has obtained an unrestricted U.S. export classification to address this issue; IM and Presence Service Release 10.0(1) supports an export unrestricted (XU) version only. The unrestricted version differs from previous releases of IM and Presence Service in that it does not contain strong encryption capabilities.

Be aware that after you install an unrestricted release, you can never upgrade to a restricted version. You are not allowed to perform a fresh installation of a restricted version on a system that contains an unrestricted version.

Documentation for Release 10.0(1)

For complete information about this release, refer first to these Release Notes and then refer to the Documentation Guide for Cisco Unified Communications Manager and IM and Presence Service at the following URL:


New and Changed


For information about upgrading, as well as requirements for hardware and software, see http:/​/​​en/​US/​products/​sw/​voicesw/​ps556/​prod_​installation_​guides_​list.html.