Radio Signalling Link
Протокол управления соединением на уровне звена в радиоканале. Использует
LapD
Пример дешифрации
A-bis L3: GSM 08.58 Ver 8.6.0, 1999
4 0000001. Message group................. Radio link layer management
.......0 Transparency bit.............. Not transparent to BTS
5 00000001 Message type.................. DATA REQ
6 00000001 Element name.................. Channel number
-- Channel number
7 00001... Channel....................... Bm+ACCH's
.....111 Time slot number.............. 7 Dec
8 00000010 Element name.................. Link identifier
-- Link identifier
9 .....000 SAPI.......................... CC, MM, RR management
...00... Priority...................... Normal priority
..0..... Not applicable ind............ Link id applicable
00...... C-bits........................ Main signalling channel (FACCH or SDCCH)
10 00001011 Element name.................. L3-info
-- L3 information
11 ***b16** Length indicator.............. 12 Dec
Фильтрация
Ссылки