Health and Safety Information156• Do not paint the phone. Paint can clog thedevice’s moving parts and prevent properoperation.• Do not put the phone in or on heating devices,such as a microwave oven, a stove or a radiator.The phone may explode when overheated.• Use only the supplied or an approvedreplacement antenna. Unauthorised antennas ormodified accessories may damage the phone andviolate regulations governing radio devices.• If the phone, battery, charger or any accessory isnot working properly, take it to your nearestqualified service facility. The personnel there willassist you, and if necessary, arrange for service.157GlossaryTo help you understand the main technical termsand abbreviations used in this booklet and take fulladvantage of the features of your mobile phone,here are a few definitions.ALS (Alternate Line Service)Capability of associating two lines with one SIMcard. With this service, you can make and receivecalls on either line, as required.Call BarringAbility to restrict outgoing and incoming calls.Call DivertingAbility to reroute calls to another number.Call HoldingAbility to put one call on standby while answering ormaking another call; you can then switch betweenthe two calls, as required.Call WaitingAbility to inform users that they have an incomingcall when engaged on another call.CLI (Caller Line Identification) ServicesServices allowing subscribers to view or block thetelephone numbers of callers.