Published
The use and general aspects of the BSC to BTS interface (the A-bis interface) are given in Technical Specification GSM 08.51. This European Telecommunication Standard (ETS) specifies the general structure of layer 3 and traffic management procedures and messages used on the A-bis interface to support signalling procedures as defined in Technical Specification GSM 04.08.
PUBLISHED
SSH ETS 300 596:1996 ed.3
60.60
Standard published
Oct 20, 2025