You have to go to the Embassy of Qatar in the Phils. The embassy is the best place to ask regarding your visa question.

# 1601 Cypress St. Dasmrinas Village
Makati City, Metro Manila, Philippines
Phone:
+63-2-8874944; +63-2-8874945; +63-2-8430727; +63-2-8874740
Fax:
+63-2-8876359; +63-2-8876406