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COMSPHERE 3800Plus Modems
F-4 October 1998 3980-A2-GB30-40
Table F-1
V.25bis Commands
V.25bis
Command
Description
AT Command/
S-Register Equivalent
CALL REQUEST COMMANDS
CRN Call Request with Number Provided ATD
CRS Call Request with Memory Address ATDS
CALL ANSWER COMMANDS
INC Incoming Call Indication RING
DIC Disregard Incoming Call NONE
CIC Connect Incoming Call ATA
PROGRAM COMMAND
PRN Program Normal AT&Z
LIST REQUEST
RLN Request to List Stored Number NONE
Table F-2
V.25bis Response Messages
V.25bis
Command
Description
AT Command/
S-Register Equivalent
CALL RESPONSE
CFI Call Failure Indication BUSY, NO ANSWER, NO
CARRIER, NO DIAL
TONE, ERROR
CNX Call Connecting Indication CONNECT
LIST RESPONSE
LSN List Stored Number NONE
COMMAND RESPONSE
VAL Valid Command OK
INV Invalid Command ERROR