There are three courses leading to certification:

Phono-Graphix - One Day Internship Course Syllabus

Sound to Symbol to Meaning Dual Certification Course Syllabus and Exam - Our New Phono-Graphix and Language Wise combined course

And there is an advanced certificate offered once certification is acheived:

PG 2 Status exam for therapists and trainers who have taken a PG2 Designated Workshop.