Paradyne 392xPLUS Call Request Commands, Call Response, Call Request with Number Provided CRN

COMSPHERE 392xPlus Modems

Call Request Commands

Call Request commands are issued from the DTE to the modem and are responsible for initiating dial calls. Call Request commands include Call Request with Number Provided (CRN) and Call Request with Stored Memory Address Provided (CRS).

Call Request with Number Provided (CRN)

The CRN command dials the telephone number entered from the DTE. CRN is similar to the ATD command.

The CRN command format is:

CRNn

Where: n is the telephone number to be dialed.

Call Request with Stored Memory Address Provided (CRS)

The CRS command dials the telephone number stored in the request directory location. CRS is similar to the ATDS command.

The CRS command format is:

CRSx

Where: x is directory location 1±24.

The modem responds to the command with either a VAL (valid) or INV (invalid) response followed by a call progress report such as connect (CNX) or failure (CFI).

Call Response

A Call Response indicates if the command was accepted by the modem. Call Response includes Call Failure Indication (CFI) and Call Connecting (CNX).

Call Failure Indication (CFI)

The CFI response is issued to the DTE if the modem fails a CRN or CRS command. CFI is similar to the AT result codes BUSY, NO ANSWER, NO CARRIER, NO DIALTONE, and

ERROR.

The CFI response format is:

CFIxx

Where: xx is

ET Engaged tone.

NS Number not stored.

CB Local DCE busy.

RT Time-out on ring tone.

AB Abort call on time-out.

NT Answer tone not detected.

FC Forbidden call.

D-2 November 1996 3920-A2-GN31-30