Gateway location register fault recovery

In a radio communications network which includes a visitor location register and a gateway location register, a method for recovering from a fault comprising the steps of:

• receiving, by the gateway location register, a roaming number request for a mobile subscriber from a home location register associated with the mobile subscriber;
• forwarding the roaming number request from the gateway location register to all visitor location registers associated with the gateway location register;
• and
• receiving, by the gateway location register, a roaming number from a visitor location register which is serving the mobile subscriber.

In a radio communications network which includes a visitor location register and a gateway location register, a method for recovering from a fault comprising the steps of:

• loading, in the gateway location register, data from a backup memory;
• receiving, by the gateway location register, a roaming number request for a mobile subscriber from a home location register associated with the mobile subscriber;
• and
• forwarding the roaming number request from the gateway location register to a visitor location register, wherein the data loaded from the backup memory indicates that the visitor location register is serving the mobile subscriber.