Communication Manager now supports a maximum of 2000 network regions and locations. With the increase in the number of network regions, organizations can expand businesses to various locations globally. Organizations can also efficiently manage bandwidth by allocating the required amount of bandwidth to a particular network region. To support an increase of up to 2000 network regions, you can now configure network regions as core network regions and stub network regions. You can configure network regions 1 to 250 as core network regions or stub network regions. Network regions 251 to 2000 are stub network regions by default.