This appendix explores configuring the router to have an IOS and describes the support files necessary for CUCME to function. The process to upgrade (or downgrade) the firmware on the phones is also covered.
This lab uses the following equipment:
• Cisco router
• PC with TFTP software
• (Optional) Switch that supports voice VLANs
Upon completion of this lab, you will be able to
• Upgrade the IOS to support CUCME
• Install the optional support files
• Upgrade/downgrade ...