Best Practice Guidelines for Videoconferencing-Based Telemental Health from the American Telemedicine Association. This guideline focuses on two-way, interactive videoconferencing as the modality by which telemental health services are provided. 

Evidence-Based Practice for Telemental Health from The American Telemedicine Association These guidelines are designed to serve as both a consensus operational best practice reference
based on clinical empirical experience and an educational tool to aid practitioners in providing appropriate telehealth care for patients.