Siemens A57 Security, Network, Line, 22Setup, Barrings, User group, Direct call, Fast search, Network info, Auto network, Net operator, This SIM only, Phone identity

Buddhist year

Switch to the Buddhist calendar (not available in all models).

Two independent phone numbers have to be registered on the phone.

§Menu§ ¢ Setup ¢ Security

¢Select a function.

Only one phone number can be dialled. Press and hold control key on the right.

Your phone is prevented from being used with a different SIM card.

Network barring restricts the use of your SIM card.

All outgoing calls: Outgoing calls, except emergency 999 calls, are blocked.

Outgo internat: Only national calls can be made.

Out.int.x home: International calls are not permitted, except for calls to your home country.

All incom. calls: The phone is blocked from receiving all incoming calls.

When roaming: You do not receive any calls outside your home network.

Status check: Query the status of your bar- rings.

Clear all: Clear all barrings. Password pro- tected!

Display the phone identity number (IMEI) is displayed.

§Menu§ ¢ Setup ¢ Network

¢Select a function.

The list of GSM networks currently available is displayed.

The network search is restarted.

If activated, the next network is dialled in the order of your "preferred networks".

A list of all known GSM network providers worldwide is displayed with the current codes.

Set the service providers you prefer when you leave your home network.

Select either GSM 900 or GSM 1800.

Speed up network reconnection.

User group	b
§Menu§ ¢ Setup ¢ Network

¢User group ¢ Select a function.

If offered by the service provider, this service enables groups to be formed.

Active: Activate/deactivate function. "User group" must be deactivated for normal phone use.

Select group: You may select or add groups other than the preferred groups.

Outgoing access: Set whether outgoing calls outside the group are permitted.

Preferred group: If activated, only calls within this standard user group can be made.