AASTRA 600d for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 114)

The Device Menu
112
“System” Menu
New system: Enter the authentication code and the PARK code optionally. For more
information on this and on protocol configuration, consult your system admin-
istrator.
Subscription:
Auto search: The mobile unit automatically checks in to the currently available
system with the strongest signal. The mobile unit can only check in to
the relevant system if it has previously been subscribed to that system.
Please contact your system administrator if necessary.
[System 1…10]: List of systems where the mobile unit is already subscribed.
The selected system is highlighted. Select an entry via the navigation
keys. The mobile unit attempts to establish a connection with
.
Press to query and set additional options. These usually do not
have to be changed. The following settings should be made by the
system administrator.
Use System name and Phone number to change /enter the system
name and the call number. This is only possible if the system is not pro-
viding any information or if the mobile unit is subscribed via the GAP
protocol.
External call is for setting which code is used to designate external calls
(e.g. 0). Internal call is for setting how many digits an internal call
number has.
Both settings are for the device being able to differentiate between
internal and external calls.
Character set shows the character set used by the editor.
Protocol is for setting the transfer protocol.
Details displays additional device data.
Use Delete to delete the subscription for the corresponding system.
Stop searching: this designates the mobile unit as absent on the system. This
function is helpful on some systems if the system does not detect that
the device is switched off and then e.g. activate call forwarding in this
case.