
AUDIO
AT Commands for EV-DO-EV3 Modems
+CRM: 0
OK
AT$QCMIP=2
OK
AT+CRM?
+CRM: 2
OK
Data Session AT Commands
Data Inactivity Timer +CTA
Set command sets UM packet data inactivity timer.
Read command returns the data inactivity timer, in the following format:
+CTA: <n>
Test command reports the <n> parameter range.
Syntax
Command Command type
AT+CTA=<n> Set
AT+CTA? Read
AT+CTA=? Test
Parameters and Values
<n> Um packet data inactivity timer.
0 Traffic channel not released during inactivity periods.
1-255 Release the traffic channel after <value> 1-second intervals have elapsed since last
sending or receiving RLP data frames on the Um interface.
Sprint/Aeris Default: 60 seconds.
Verizon Default: 30 Seconds.
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