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V.25 bis Autodialer
The a and the nnn . . . n are both parameters.
Not all commands have parameters. For example the CIC command has
no parameter.
GUIDELINES
Use the following guidelines when working with V.25 bis software:
• An indicator enclosed in less than/greater than signs represents a
specific character in the appropriate character set, ASCII or
EBCDIC.
<sp> - space
• Each response below is considered an individual message per
V.25 bis conventions. A dial command with intermediate call
progress enabled (BISYNC mode ASCII/EBCDIC character set)
is illustrated:
From DTE
<sy><sy><stx>CRN<sp>(205)555-0124<etx>
<sy><sy><stx>VAL<etb>
• Spaces in a command from the DTE are optional and ignored.
• Command strings can be upper or lower case. Responses are
always upper case.
• V.25 bis commands are implemented in the following data
formats:
ASYNC
BISYNC
SDLC
SDLC
in ASCII or EBCDIC
11-2
<sy><sy><stx>CNX<sp>@9600BPS<etx>
NRZ
NRZI
V.3400
To DTE
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