Specifications

ISU AT Command Reference S-Register Definitions
Iridium Proprietary Version 2.45
20 June 2011 114
12.3 Iridium Specific S-Register Extensions
Table 10-2: Iridium-Specific S-Registers
Register
Number
Range Default Description
Sr=n Command
Write Protected
in SAC0201
S13 0-255 0 Bitmap register where bits 0-1 reflect the DCE data bits, bits
2-3 reflect the DCE stop bits, bits 4-6 reflect the DCE parity
settings, and bit 7 is not used
Yes
S15 0-2 0 Auto-answer mode selection.
Bits 0-1: 0 (auto-answer voice and data calls)
1 (auto-answer voice calls only)
2 (auto-answer data calls only)
S34 0-255 0 Bitmap register where bit 7 reflect the +DR setting, bits 0-1
reflect the data compression type (PT), bit 6 reflect the +DS
compression negotiation setting.
Yes
S35 0-255 5 Bearer service capabilities
S42 0-255 0 GSM Call clearing code as returned by the network. Refer to
GSM 04.08 Table 10.86 Cause Information Element Values.
Yes
S43 0-255 32 Bitmap register:
0 = +CMGF setting
1 = +CBST parameter <name> setting
2 = +CMEE setting
3 = +CMEE setting
5 = +CBST parameter <ce> setting
6 = +CRC setting
7 = +CR setting
Yes
S44 0-255 4 Bitmap register:
0-2 = +CPBS setting
5-6 = +CREG setting
7 = +CLIP setting
Yes
S45 0-255 0 Bitmap register:
0-1 = +CNMI parameter <mode> setting
2-3 = +CNMI parameter <mt> setting
4-5 = +CNMI parameter <bm> setting
6-7 = +CNMI parameter <ds> setting
Yes
S47 0-255 0 Bits 4,5, and 6 reflect TON settings for dial string
S49 0-255 1 Bits 0-3 reflect NPI settings for dial string
S51 0-255 0 V.42bis maximum codewords (P1), high byte
Yes
S52 0-255 128 V.42bis maximum codewords (P1), low byte
S54 0-255 20 V.42bis maximum string size (P2)
S58 0-255 0 V.42 bis compression direction (P0)
S96 0-255 0 IRLP version number (N0) parameter