Planning, designing, and implementing a Cisco IP Telephony solution is a much more manageable task if you carefully consider each step before moving on to each subsequent step. Efficient installation starts with a good plan that ensures a smooth, methodical, and successful deployment of the complete CallManager solution.
In addition to the resources discussed in this chapter (Cisco certified training, Cisco partners, Cisco Advanced Services, other Cisco Press books), periodically check the Technical Support website (http://www.cisco.com/en/US/support/index.html > click the link to Technology Support > choose the Voice category). This website provides articles on all aspects of voice technology, as shown in Figure 1-6.
Figure 1-6 Voice Technical Support on Cisco.com