Before You Begin
See Plan and Prepare for Your System Installation on the Plan tab to plan your overall strategy.
Install IP Telephony Software Components
Once you have your installation plan and preparations in place, perform your system installation by following the guidelines and sequence in Performing Your System Installation 
:
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See Deployment Models for the general installation sequence for the various components in the different deployment models. For a description of deployment models, see Tested Deployments and Site Models .
•See Related Documentation for links to component installation and upgrade documentation.