User manual

Contents
What is ISDN? ......................................................................................................................... 4
ISDN Communication Channels ............................................................................................................... 6
Connecting to ISDN - BRI and PRI ............................................................................................................ 8
What is Multilink PPP? .................................................................................................................................. 9
What is BACP/BOD? ..................................................................................................................................... 10
What is DBA? .................................................................................................................................................11
What is Always On / Dynamic ISDN (AO/DI)? .................................................................................... 12
What is Data Compression? .....................................................................................................................13
Locating AT Commands ....................................................................................................... 14
AT Command Groups ........................................................................................................... 16
Alphabetical List of Supported AT Commands ................................................................. 17
General AT Commands ........................................................................................................ 29
ISDN Configuration Commands ......................................................................................... 31
COM Port Configuration Commands .................................................................................. 36
Call Control Commands ....................................................................................................... 39
V.120 Configuration Commands ........................................................................................ 42
V.110 Configuration Commands ........................................................................................ 44
Profile Commands ...............................................................................................................45
Multilink PPP Commands .................................................................................................... 46
Endpoint Discriminator Class/Address ................................................................................................48
Always On / Dynamic ISDN AT Commands ......................................................................... 49
Utility Commands ................................................................................................................ 54
S-Register Commands ......................................................................................................... 57
Analog Device Commands .................................................................................................. 59
Mini-monitor Commands .................................................................................................... 62
AT Command Result Codes ................................................................................................. 63