For example, UMTS-TDD spectrum in the UK cannot be used to provide telephone service, though the regulator OFCOM is discussing the possibility of allowing it at some point in the future.
例如，UMTS-TDD的頻譜在英國不能用來提供電話服務，但監管機構OFCOM正在討論的可能性，從而使其在未來的某一時刻。