Eicon Networks DIVA T/A ISDN Modem manual AT Command Result Codes

AT Command Result Codes

This section provides the result codes, also known as status messages, that are displayed after an AT command is issued.

Result codes can be displayed as a word message (long-form English) or as a number code (short-form numeric response). Word messages are preceded and terminated by the sequence <CR> <LF>. Numeric codes are terminated by <CR> only. The Result Code Format command (ATVn) determines short- or long-form usage.

General Purpose Codes

Some number codes can be associated with more than one text string, depending on the format selected by ATXn.

Code	Word Message(s)	Description
0	OK	The DIVA T/A has successfully executed your command
2	RING	Incoming ringing is detected on the line
	RING	Calling number displayed
	FROM: Calling
	RING(cip) called;calling	Called, and calling number displayed
3	NO CARRIER	Attempt to establish a connection failed
		Connection ended
4	ERROR	Syntax of command is incorrect
		Unable to execute command
		Command does not exist
		Entered command is outside permitted range
+F4	+FCERROR
6	NO DIALTONE	ISDN not initialized
	NO CARRIER
7	BUSY	Remote user busy
	NO CARRIER
8	NO ANSWER	Remote user not responding
33	FAX	Fax call
35	DATA	Data call

AT Result Codes - Connection Indicators

The following codes give you information about your connection. The word “CONNECT” in a message can relate to either DCE speed or DTE speed, depending on the selection made with ATXn. The word “CARRIER” always relates to DCE speed.

DIVA T/A ISDN Modem Reference Guide ◆ Page 63