Overview
The UCMA Cellular Service sample demonstrates how the Unified Communications Managed API (UCMA) v2.0 can be used to publish
and subscribe to the presence of users, as well as publish and subscribe to custom activities and custom presence. The UCMA Cellular
Service demonstrates each of these two types of data; it publishes cell phone availability as a custom activity and GPS location as
custom presence information. The sample also provides an example of how to leverage WCF to make remote presence calls using HTTP.