ASTM
American Society for Testing and Materials
ASTM
American Society for Testing Materials
OSTM
Open System Transaction Management
STM
Science, Technology, Medicine
AAL
Asynchronous transfer mode (ATM) Adaptation Layer
AAL1
Asynchronous transfer mode (ATM) Adaptation Layer 1
AAL2
Asynchronous transfer mode (ATM) Adaptation Layer 2
AAL3
Asynchronous transfer mode (ATM) Adaptation Layer 3
AAL4
Asynchronous transfer mode (ATM) Adaptation Layer 4