SIM5350 AT Command Set
3 AT Commands According V.25TER
3.1 ATA Call answer
Description
This command is used to make remote station to go off-hook, e.g. answer an incoming call. If there
is no an incoming call and entering this command to TA, it will be return “NO CARRIER” to TA.
SIM PIN References
YES V.25ter
Syntax
Execution Commands Responses
For voice call:
OK
For data call, and TA switches to data mode:
CONNECT
ATA
No connection or no incoming call:
NO CARRIER
Examples
ATA
OK
3.2 ATD Dial command
Description
This command is used to list characters that may be used in a dialing string for making a call or
controlling supplementary services.
NOTE:
1. Support several “P” or “p” in the DTMF string but the valid auto-sending DTMF after characters
“P” or “p” should not be more than 29.
2. Auto-sending DTMF after character “P” or “p” should be ASCII character in the set 0-9, *, #.
SIM PIN References
NO V25.ter
SIM5350_ATC_V1.02 6/9/2014
12
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