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AT Command Reference
80-99208-1 Rev. D 6-49
Set Dormant Mode Timeout Value (+CTA)
Syntax
+CTA[=<timeout>|?|=?]
Description
Sets/tests the number of seconds of inactivity (no incoming or
outgoing PPP data) before the modem times out the active
data call and transitions to dormant mode.
This timeout is only valid while in Online mode of a data call.
While in Online-Command mode, the
+CTA idle timer is
disabled. Upon re-entering Online mode the dormant mode
timer is enabled and reset to restart the timeout period.
Valid Value(s)
Missing Parameter Default Value(s)
0
Power-On/Reset Default Value(s)
0
Results Returned
0 Dormant mode timeouts are disabled. The Traffic
Channel is not released during inactivity periods.
10-255 Release the Traffic Channel after <timeout>
1-second intervals have elapsed since last sending or
receiving RLP data frames on the Um interface.
Result Condition
OK <timeout> is supported and set
as the dormant mode timeout
period.
ERROR <timeout> is not supported and
the dormant mode timeout period
is left unchanged.
+CTA: <timeout>
OK
? is used to query current setting.
+CTA: (0, 10-255)
OK
=? is used to query acceptable
range of the <timeout>
parameter.