name: US
full_form: United States
context: Manual roaming, an FCC obligation on US operators was first established in 1981, enhanced in 1994 and revisited without modification several times since. In summary, manual roaming is a requirement that US networks need to provide basic outbound only voice calling for users with a UE which is technically capable of connecting to a network's base stations (e.g. supporting the same bandclass), when there is no roaming agreement with the home network operator In terms of the usage of this service in the US, some measure of the scale is over 23 million call attempts/month (276 million/year). As a practical matter, while the US FCC regulations only applies to subscribers of US networks without domestic roaming agreements, it is currently not possible to distinguish other devices not covered by the regulation, manual roaming service is generally made available to all unauthenticated devices without distinction. This service is also provided in Canada but the Canadian manual roaming
description: The Federal Communications Commission (FCC) is the regulatory body for telecommunications in the United States. It oversees and sets rules for telecommunications within the country, including obligations for operators such as manual roaming requirements.
explanation: The FCC is explicitly identified as the regulatory body responsible for setting rules and overseeing telecommunications in the US. This clearly classifies it as a Regulatory Body.
section_title: 4.2	Manual roaming in operation
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