LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 89 / 231
7 Call Related Commands
7.1. ATA Answer an Incoming Call
The command connects the module to an incoming voice or data call indicated by a RING URC.
1. Any additional commands on the same command line are ignored.
2. This command may be aborted generally by receiving a character during execution. The aborting is
not possible during some states of connection establishment such as handshaking.
3. See also ATX.
Example
RING //A voice call is ringing
AT+CLCC
ATA Answer an Incoming Call
Response
TA sends off-hook to the remote station.
Response in case of data call, if successfully connected:
CONNECT <text>
And TA switches to data mode.
Note: <text> outputs only when <value> is greater than 0 in
ATX <value> parameter setting.
When TA returns to command mode after call release:
OK
Response in case of voice call, if successfully connected:
OK
Response if no connection:
NO CARRIER
90s, determined by network.
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