GlobalTelLink primarily provides communication services for correctional facilities, which include managed phone services for inmates. Generally, these services are oriented towards domestic calls, and their ability to facilitate international calls may be limited or not available, depending on the specific facility and the agreements that GlobalTelLink has in place. It is essential for users to be aware that while some facilities may allow international calling, there can be additional restrictions, fees, or protocols that need to be followed. For the most accurate information regarding the availability of international calling through GlobalTelLink, it would be best to review the details provided on their official website or check with the specific facility's policies regarding communication services.