139
2 AT commands list
2
AT commands list
AT command
Functions and overview
Form/command example
A
Answer
Receives a call when entered during packet communication,
64K data communication or videophone communication. In
case of packet receiving, "ATA184
" (caller ID not
displayed) or "ATA186
" (caller ID displayed) can also be
entered.
RING
ATA
CONNECT
AT
Modem control command system
By adding "AT" at the beginning of each command, modem
can be controlled from PC.
A/
Re-executing the previously-executed command
No "AT" or "
" is needed for A/ command. This is used for
re-executing the previously-executed command or redial
calling.
A/
OK
D
Call
Performs call operation.
Redial call is available with "ATDN" or "ATDL".
If any input other than 0 to 9, "
∗
", "#", "+", "a", "b", "c", "d", "-"
(hyphen), space, "p", "t", "!", "W", "@", or "," is made, call
cannot be sent (except for packet communication).
• 64K data communication ATD [parameter][phone number]
(when +CBST is set to 116)
ATD [parameter][phone number]##116
• Packet communication ATD
∗
99
∗∗∗
<cid>#
If "ATD
∗
99#" is entered, "<cid>=1" is used (if <cid> input is
omitted, "<cid>=1"). If any format beginning with
"ATD184
∗
99" is entered, "184" is attached to the specified
APN of specified <cid> (the same operation is available for
"186" as well, which permits caller's ID to be displayed).
• Videophone (32K communication) ATD [parameter][phone
number]
(when +CBST is set to 131)
ATD [parameter][phone number]##131
• Videophone (64K communication) ATD [parameter][phone
number]
(when +CBST is set to 134)
ATD [parameter][phone number]##134
ATD
∗
99
∗∗∗
1#
CONNECT
E
Echo back setting
Sets whether or not FOMA terminal sends echo back for the
commands sent from PC. Usually, this is set to "E1". If the PC
itself has echo function, setting this to "E0" prevents
characters from overlapping.
ATE0: Sends no echo back
ATE1: Sends echo back
*1
*2
ATE1
OK