“In this course we will cover advanced features of Cisco’s Unified Communication Manager (CUCM). Our focused topics include challenges associated with a multisite VoIP deployment, multisite connections, device mobility, and more. This course is designed to teach you how to connect multiple sites using voice gateways and inter-cluster trunks, designing and implementing a globalized dial-plan, implementing call processing redundancy, device mobility, and more!

https://www.skillometer.net/course/cisco-voip-ccnp-voice-cipt2-v8-0-642-457/