9.3. Prerequisites 
This feature is restricted with different flags in the switch of the
visited phone and the switch of the home phone.
Possible phones for mobile HFA
The feature does not work with any type of phone. Both phones must
have the capacity for mobile HFA in their firmware. Currently the following
phones have this functionality:
- optipoint 410 (not 410 entry),
- optipoint 420 (electronic labeling keys)
- optipoint 600
- OpenStage 20/20G/40/40G/60/60G/80/80G
IMPORTANT:
If the OpenStage terminal is operated in combination
with an optiClient, "optiPoint 420 advance" must be set as the device
type in the optiClient. For more information, refer to Section
4.1.1, “OpenStage terminal in combination with an optiClient”.
AMO prerequisites
- AMO FEASU bit MOBHFA must be set on both sides.
- The home phone must have the line attribute MHFAHOME in AMO SDAT.
- The visited phone must have the line attribute MHFATBV (to be visited) in AMO SDAT.
- For the home phone a PIN must be installed with COPIN attribute MOBILE.
Hardware
The mobile HFA phones are connected to the common gateway board (STMI2/4/STMIX/STMIY
board).
Password settings
For the mobile user a mobile password should be added. This password
prevents the “forced logoff“ at the home station from being canceled
without a password.
- optiPoint terminals
-
The password is assigned in the terminal Configuration menu, submenu “02=System”.
- OpenStage terminals
-
The password can be assigned via the WBM of the terminal (Administrator Pages > User mobility > Cancel mobility password) or directly at the terminal via the menu Admin > Password > Mobility.