V.25 bis Autodialer

V.25 bis Commands and Responses

The following sections describe the commands used with the V.25 bis autodialer and explain the responses received when each command is executed.

Dial Command — CRN nn...n

The dial command is a CRN followed by the number to be dialed

nn...n. The modem accepts up to 40 dial parameters, excluding the CRN command and any leading spaces.

Responses:

VAL Valid command received. Transmitted on receiving an error- free command with no transmission error such as a parity error. This confirmation is sent before the command is executed.

INVCU Invalid command - command unknown.

Example: TRN (205)-555-0124

INVMS Invalid command - message syntax error.

Examples: CRN;(205)-555-0124

CRN; (semicolon invalid)

INVPS Invalid command - parameter syntax error.

Examples: CRN (205)-555-0124

CRN (205)-555;0124

CRN

INVPV Invalid command - parameter value error.

Examples: CRN (205)-555-012Q

CRN

CFIET Call failure - reorder or busy.

CFIRT Call failure - timeout occurred.

CFINT Call failure - no answer back tone.

CFIDT Call failure - no dial tone.

CFIAB Call failure - ABT detected but no carrier.

INC Incoming ring detected.

V.3600

11-5

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Motorola V.3600 manual Bis Commands and Responses, Dial Command CRN nn...n