Contents:

Connecting to your ISP

Using the AT Command Set

Upgrading your Modem

Modes of Operation

Dialing, Answering, and Hanging Up

Working with Memory

Controlling Result Code Displays

Controlling EIA-232 Signaling

Accessing and Configuring the Courier 56K Corporate Modem Remotely

Controlling Data Rates

Handshaking, Error Control, Data Compression, and Throughput

Displaying Querying and Help Screens

Testing the Connection

Dedicated/Lease Line and Synchronous Applications

Troubleshooting

Appendixes

Alphabetic Command Summary

Flow Control Template

Result Code Meanings and Sets

Technical Information

V.25 bis Reference

ASCII Chart

Fax Information for Programmers

Regulatory Information

Courier 56K Corporate Modem Command Reference

ASCII Chart

Dec	Hex	Char		Dec	Hex	Char		Dec	Hex	Char		Dec	Hex	Char
00	00	NUL		32	20	SP		64	40	@		96	60	`
01	01	SOH		33	21	!		65	41	A		97	61	a
02	02	STX		34	22			66	42	B		98	62	b
03	03	ETX		35	23	#		67	43	C		99	63	c
04	04	EOT		36	24	$		68	44	D		100	64	d
05	05	ENQ		37	25	%		69	45	E		101	65	e
06	06	ACK		38	26	&		70	46	F		102	66	f
07	07	BEL		39	27	ë		71	47	G		103	67	g
08	08	BS		40	28	(		72	48	H		104	68	h
09	09	HT		41	29	)		73	49	I		105	69	i
10	0A	LF		42	2A	*		74	4A	J		106	6A	j
11	0B	VT		43	2B	+		75	4B	K		107	6B	k
12	0C	FF		44	2C	'		76	4C	L		108	6C	l
13	0D	CR		45	2D	-		77	4D	M		109	6D	m
14	0E	SO		46	2E	.		78	4E	N		110	6E	n
15	0F	SI		47	2F	/		79	4F	O		111	6F	o
16	10	DLE		48	30	0		80	50	P		112	70	p
17	11	XON		49	31	1		81	51	Q		113	71	q
18	12	DC2		50	32	2		82	52	R		114	72	r
19	13	XOFF		51	33	3		83	53	S		115	73	s
20	14	DC4		52	34	4		84	54	T		116	74	t
21	15	NAK		53	35	5		85	55	U		117	75	u
22	16	SYN		54	36	6		86	56	V		118	76	v
23	17	ETB		55	37	7		87	57	W		119	77	w
24	18	CAN		56	38	8		88	58	X		120	78	x
25	19	EM		57	39	9		89	59	Y		121	79	y
26	1A	SUB		58	3A	:		90	5A	Z		122	7A	z
27	1B	ESC		59	3B	;		91	5B	[		123	7B	{
28	1C	FS		60	3C	<		92	5C	\		124	7C	\|
29	1D	GS		61	3D	=		93	5D	]		125	7D	}
30	1E	RS		62	3E	>		94	5E	à		126	7E	~
31	1F	US		63	3F	?		95	5F	_		127	7F	DEL