HE863 family AT commands reference guide
80377ST10083a Rev.6 – 2012-11-12
Reproduction forbidden without written authorization from Telit Communications S.p.A.- All Rights Reserved. Page 42 of 229
3.5.2.3. Call Control
3.5.2.3.1. Dial - D
D – Dial
ATD<number>[;]
The V.24ter dial command D lists characters that may be used in a dialing string
for making a call or controlling supplementary services in accordance with
GSM02.30 and initiates the indicated kind of call. No further commands may
follow in the command line.
Note: V.25ter Dialing Digits
1 2 3 4 5 6 7 8 9 0 * # + A B C (implementation of these characters is mandatory
for GSM/ UMTS).
D (implementation of this character is optional for GSM/UMTS, and it is ignored)
Note: V.25ter or GSM Modifier Characters
• “,”, “T”, “P”, “!”, “W” or “@” are ignored
• “;” forces a voice call originated to the given address
• “>” allows direct dialing from phonebook
• “I” invocation restrict CLI presentation
• “i” suppression i.e. allows CLI presentation
• “G” or “g” control the CUG supplementary service information for this call
(s.+CCUG)
ATD><str> [I] [G] [;]
Originate a call to phone number which corresponding alphanumeric field in the
default phonebook is <str>.
ATD>mem<n> [I] [G]
[;]
Originate a call to phone number in memory (one of the phonebooks) “mem”
entry location <n>. ”mem” may be for example “SM”, “FD” or “LD”.
ATD><n> [I] [G] [;]
Originate a call to phone number in entry location <n> of the default phonebook.
ATDL
This command is used to redial the last dialed number.
Reference V25ter.
3.5.2.3.2. Answer - A
A - Answer
ATA
This command instructs the DCE to immediately connect to line and start the
answer sequence as specified for the underlying DCE. Any additional command
that appears after A on the same command line is ignored. The user is informed that
an incoming call is waiting, by the information result code RING or +CRING
displayed on
TE.
Reference V25ter.
3.5.2.3.3. Disconnect - H
H - Disconnect
ATH
Execution command is used to close the current conversation (voice, data or fax).
Note: this command can be issued only in command mode; when a data
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