Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 248 2015-08-03
8.2.30 AT+CIPTKA Set TCP Keepalive Parameters
AT+CIPTKA Set TCP Keepalive Parameters
Response
+CIPTKA: (list of supported <mode>s),(list of supported
<keepIdle>s),(list of supported <keepInterval>),(list of
supported <keepCount>s)
OK
Test Command
AT+CIPTKA=?
Parameters
See Write Command
Response
+CIPTKA: <mode>,<keepIdle>,<keepInterval>,<keepCount>
OK
Read Command
AT+CIPTKA?
Parameters
See Write Command
Response
OK
If error is related to ME functionality:
ERROR
Write Command
AT+CIPTKA=
<mode>[,<keepI
dle>[,<keepInter
val>[,<keepCoun
t>]]]
Parameters
<mode> Set TCP keepalive option.
0 Disable TCP keep alive mechanism
1 Enable TCP keep alive mechanism
<keepIdle> Integer type; Idle time (in second) before TCP send the
initial keepalive probe.
30-7200 Default: 7200
<keepInterval> Interval time (in second) between keepalive probes
retransmission.
30-600 Default: 75
<keepCount> Integer type; Maximum number of keepalive
probes to be sent.
1-9 Default: 9
Reference Note