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MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD 127
Terminal Adapter AT Commands & S-Registers
S30 Online Inactivity
S32 Escape sequence timeout
S34 Maximum escape sequence length
S50 Caller line ID (CLI)
S52 Auto-protocol detection
S54 Forces 56KBps B-Channel Data Rate
S55 POTS Port Call Control
S56 Calling Party Number IE Settings
S57 Called Party Number IE Settings
S75 Maximum V110 Network Rate
S76 V110 Network Rate
S77 V110 Network Rate Control
S80 Persistent DTR Dialing Delay
S0 Number of Rings Until Answer
Unit: 1 ring
Range: 0255
Default: 1
Sets the number of rings the TA waits for before it answers and begins its
connect sequence. S0=0 turns off the ability to automatically answer a call.
S0=1 causes the TA to automatically answer after 1 ring. Note that if the S0
value is set too high, the calling device may time out before the TA answers
the call. For autoanswer, S0 must have a nonzero value, DTR must be high
(&D command), and the TA must be offline.
S1 Ring Count
Unit: 1 ring
Range: 0255
Default: 0
Counts the number of rings that have occurred, up to a maximum of 255. It
is a read-only register and is seldom, if ever, used in typical operation.
S2 Escape Character
Unit: Decimal ASCII code
Range: 0127
Default: 43 (+)