Before You Begin
See the Prepare and Plan tab to plan your overall strategy.
Prepare for System Upgrade
To ensure that you have completed upgrade prerequisites, see Prepare for the System Upgrade 
in the System Install and Upgrade Manual for IP Telephony for Small and Medium Business: Cisco Unified Communications System Release 7.0(1).
Upgrade IP Telephony Software Components
Once you have your upgrade plan and preparations in place, perform your system upgrade following the guidelines and sequence in Upgrading IP Telephony Components :
•
See IP Telephony Deployment Models for the general upgrade sequence for the various components in the different deployment models,
For Related documentation on compatibility and component upgrades, see these topics:
•Component Release Notes and Installation and Upgrade Documentation