Paradyne 3800 manual AT Command Format, Series AT Commands Description, Command Branch

AT Command Set and S-Registers

AT Command Format

AT commands are entered in Command mode using the following format:

In Table 14-1, the value for X is listed in the

AT Command column and the value for n is listed in the Description column.

TYPE:	ATXn
Where:	X is the AT command and n is the
	specific value for that command.
PRESS:	Enter
			Table 14-1
			(1 of 12)
		3800 Series AT Commands
AT		Description		Front Panel
Command				Branch
A/	Repeat Last Command			Call Setup\Answer
	Re-executes last command string. (Not to be preceded with AT or followed by
	pressing the Return key.)
A	Answer Mode			None
	Goes off-hook and attempts to establish a connection without waiting for a ring.
Bn	ITU-T/Bell Mode
	Determines the protocol used if the dial-line rate is set to 300 or 1200 bps. It
	has no effect if the rate is set to another value. (See %B.)
	B, B0 V.21 or V.22 (300 or 1200 bps)
	B1	Bell 103 or Bell 212A (300 or 1200 bps)
	The factory default is B1.
Dn	Dial			None
	Begins the dialing sequence. The dial string n (modifiers and telephone
	number) is entered after the D command.
	Any digit 0–9, * , # , A, B, C, D, may be dialed as a DTMF tone. Only the digits
	0–9 can be dialed in Pulse Dial mode.
	The following example shows how to dial through a PBX. The dial string
	consists of the command string and the telephone number:
		ATD9W5551234
		Command	Telephone
		String	Number

Dial String

Modifiers include the following parameters:

T – Tone (DTMF) dial. Any digit 0–9, * , #, A, B, C, or D can be dialed as tone.

P – Pulse dial. Only the digits 0–9 can be dialed in Pulse Dial mode.

NOTE: Once a dialing method (tone or pulse) has been specified, it will only remain active until the end of that dial string. The factory setting is tone dial.

,– Pause. Causes the modem to pause before processing the next character in the dial string. The length of this pause is determined by the setting of the Pause Time configuration option (see Line Dialer configuration option group) or by value held in S-register S8.

3810-A2-GB30-30 September 1998 14-3