HIPAA required the federal Department of Health and Human Services (HHS) to develop regulations to implement these privacy requirements, called the Privacy Rule, which became effective on April 14, 2003.
The same goes for calls you receive from a landline or from a mobile customer of a network outside the Philippines, or form a roaming customer of Globe or other mobile network. **subject to 15% roaming surcharge and 12% VAT on the surcharge.
Using another phone company's service can be done by using the subscriber identity in the visited network. Roaming is technically supported by mobility management, authentication, authorization and accounting billing procedures (known as AAA or 'triple A').