BSSMAP
GSM 08.08 http://www.etsi.fr
The BSS Management Application Part (BSSMAP) supports all of the procedures between the MSC and the BSS that require interpretation and processing of information related to single calls, and resource management. Some of the BSSMAP procedures result in, or are triggered by, Radio Resource (RR) management messages defined in GSM 04.08.
Message Type A one octet field defining the message type. This mandatory field uniquely defines the function and format of each BSSMAP message.
Information Element Each IE has an identifier which is coded as a single octet. The length of an IE may be fixed or variable and may or may not include a length indicator.
Read more about this topic: Cellular Data Communication Protocol