Although Media Modules and other G450 Branch Gateway and G430 Branch Gateway components have functionality similar to Communication Manager server components, there are some differences. For example, the DCP MM supports 8 ports, while the TN2224 supports 24 ports.

These differences, as well as the fact that G450 Branch Gateway and G430 Branch Gateway have control over the TDM bus, the tone/clock generator, and the tone detectors means that a server does not have any knowledge of those components.