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COMSPHERE 3900 Series Modems
Invalid (INV)
The INV response indicates that the modem has received an incorrect V.25bis command from the
DTE. INV is similar to the AT result code ERROR.
The INV response format is:
INVxx
Table D-1 lists V.25bis commands supported by the 391x Series modems.
V.25bis Command
CRN
CRS
INC
DIC
CIC
PRN
RLD
RLF
RLN
LSD
LSF
LSN
D-6
Where:
xx is
CU command unknown.
MS message syntax error.
PS parameter syntax error.
PV parameter value error.
V.25bis Commands
Description
Call Request Commands
Call Request with Number Provided
Call Request with Memory Address
Call Answer Commands
Incoming Call Indication
Disregard Incoming Call
Connect Incoming Call
Program Command
Program Normal
List Request
Request to List Delayed Numbers
Request to List Forbidden Numbers
Request to List Stored Numbers
List Response
List Delayed Numbers
List Forbidden Numbers
List Stored Numbers
September 1998
Table D-1
AT Command/
S-Register Equivalent
ATD
ATDS
RING
NONE
ATA
AT&Z
NONE
NONE
NONE
NONE
NONE
NONE
3910-A2-GN32-40
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