User guide

MOBILE IP COMMANDS
AT Commands for EV-DO-EV3 Modems
238
Enable/Disable Mobile IP $QCMIP
Set command enables and disables mobile IP.
Read command returns the current status, in the format:
$QCMIP: <n>
Test command returns the parameter range:
$QCMIP: (0-2)
Syntax
Command Command type
AT$QCMIP=<n> Set
AT$QCMIP? Read
AT$QCMIP=? Test
Parameters and Values
<n>
0 Mobile IP disable, simple IP only.
1 Mobile IP preferred.
In the initial MIP registration, if the network does not support Mobile IP, the mobile automatically
reverts to Simple IP (forces a PPP renegotiation by sending an LCP C-Req). However, if a Mobile IP
session is registered and then the mobile enters a network that does not support Mobile IP, the
mobile will drop the session and inform the upper layers of the failure (for example, by dropping
DCD to a laptop).
2 Mobile IP Only. If the module is provisioned. Default: 2.
The mobile will make data calls only when the Mobile IP is supported in the network. During an
MIP session, if the mobile hands off to a network that does not support MIP, then the mobile will
drop the session and inform the upper layers of the failure (for example, by dropping DCD to a
laptop).
Example
AT$QCMIP=?
$QCMIP: (0-2)
OK
AT$QCMIP?
$QCMIP: 2
OK
AT$QCMIP=0
OK
AT$QCMIP?
$QCMIP: 0
OK