Data Sheet

Smart Machine Smart Decision
voice call, the first call will be automatically put on hold.
The current states of all calls can be easily checked at any time by using the
AT+CLCC Command.
2.2.4 ATD><n> Originate Call to Phone Number in Current Memory
ATD><n> Originate Call to Phone Number in Current Memory
Response
This Command can be used to dial a phone number from current phonebook
memory.
Note: This Command may be aborted generally by receiving an ATH
Command or a character during execution. The aborting is not possible
during some states of connection establishment such as handshaking.
If error is related to ME functionality
+CME ERROR: <err>
If no dial tone and (parameter setting ATX2 or ATX4)
NO DIALTONE
If busy and (parameter setting ATX3 or ATX4)
BUSY
If a connection cannot be established
NO CARRIER
If the remote station does not answer
NO ANSWER
If connection successful and non-voice call.
CONNECT<text> TA switches to data mode.
Note: <text> output only if ATX<value> parameter setting with the
<value> >0
When TA returns to Command mode after call release
OK
If successfully connected and voice call
OK
Execution
Command
ATD><n>[<clir>
][ <cug>][;]
Parameters
<n> Integer type memory location should be in the range of locations
available in the memory used
<mgsm> String of GSM modifiers:
SIM800 Series_AT Command Manual_V1.05 30 2014-07-31