[ 76 ]13.SIM servicesYour wireless service provider may provide additional services that areavailable in Menu 12 of your phone. Menu 12 appears only if supportedby your service provider and SIM card. The name and contents of thismenu depend entirely on the services available. Any questions aboutservice availability, rates, and instructions must be directed to thecompany that sold you your SIM card.You can set the phone to display confirmation messages sent betweenyour phone and the network when you are using SIM services by pressingMenu 4-3-7 (Notifications on SIM update), and choosingShown.Note: Accessing these services may involve sending a text message (SMS)or making a phone call, for which you may be charged.