Regulations for Conducting Visits via Communication Devices in Prisons and Detention Centers Article 3

The communication devices that an authority may allow an inmate or individual requesting a visit to use shall be limited to telephone equipment, remote visit equipment, mobile visit equipment, and other types of communication devices approved by the supervisory authority.
中文原文 監獄及看守所辦理使用通訊設備接見辦法第3條
機關得許可收容人或請求接見者使用之通訊設備,以電話設備、遠距接見設備、行動接見設備及其他經監督機關核定之通訊設備種類為限。

English translation for reference only; the Chinese text prevails. Not legal advice.