Lucent Technologies Host-Based Controller Modem AT Data Addendum page 3

Data Addendum
June 15, 1998
AT Command Summary (continued)
Table 2. AT Testing and Debugging Command Set Summary
Command Description
&&C Write to/read from host interface
&&L Line-to-line loopback
&&R Write to/read from DSP RAM location
&&S Speaker codec loopback
Table 3. The S-Register Summary
Register Default
S0 0
S1 0
S2 43
S3 13
S4 10
S5 8
S6 2
S7 50
S8 2
S10 20
S11 95
S12 50
S14 8
S21 48
S22 112
S24 10
S28 1
S30 0
S32 16
S33 0
S35 0
S36 7
S37 0
S38 1
S42* 1
S43* 1
S48 7
S89 10
S90 10
S91 15
S108 7
* S-registers 42, and 43 are for test and debugging purposes only.
Version 1.0
Description
Automatic answer ring number
Ring counter
AT escape character
Command line termination character
Response formatting character
Command line editing character
Wait before dialing
Connection completion time-out
Comma dial modifier time
Automatic disconnect delay
DTMF dialing speed
Escape guard time
General bit-mapped options status
V.24 bit-mapped options status
Results bit-mapped options status
Timer to control sleep mode
V.34 modulation enable/disable
Inactivity timer
Synthetic ring volume
Synthetic ring frequency
Data calling tone
Negotiation fallback
Dial line rate
Enable/disable K56flex settings
Auto rate
Auto mode
LAPM error control and feature negotiation
Timer to control sleep mode
Local phone status
Line transmit level
Network codec type
Lucent Technologies Inc.
Host-Based Controller Modem
Command Description
%T94 Test external DSP RAM
%T124 Return to on-chip DSP RAM
%T125 Load K56flex image to external DSP RAM
#UD Unimodem diagnostics
AT Command Set
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