Samsung SCH-M105 User Manual

58 59SSeettuuppSSeettuuppSet NAM Menu 6-7Your Samsung phone can store two NAMs (NAM stands fornumerical assignment module - essentially your telephonenumber). This means you can have two phone numbers onyour phone, and you can quickly and easily switch your serviceback and forth between the two numbers.Press the key to select NAM-1 or NAM-2. If you changethe NAM, the phone will reboot and acquire service using thenew NAM setting.Note: Each NAM has an associated set of System Selectionsettings (see “System Select” below).System Select Menu 6-8With this menu option, you can select the system servicemode between FM(analog) and CDMA(digital). Each servicemode allows you to select a roaming option. Roaming is afeature which is only relevant in areas where there are atleast two cellular service providers having valid roamingagreements.Roaming, when available, allows you to register your phoneon one of the networks, but use the facilities of the other ifyour own network is not available. This system priorityfeature allows you to program your phone for optimumoperation when within your home service area or whenoutside your home service area.Contact your home cellular service provider for information onthe availability of this feature and roaming agreements theyhave with other cellular service providers.There are four different roaming options:Standard: with this setting, your phone will always try yourcalls using your home system, but if that doesn’twork, then it will use the preferred roamingsystem.Home Only: with this setting, you cannot roam. If your homesystem is not available then your call will not beconnected and the No Service indicator ( ) isdisplayed. In some service areas an operatormay come on line asking you how you would liketo pay for the call.A Only: In a wireless service area, there are usually twoservice providers which are referred to as A and B.Your service provider will provide you informationabout this when you setup service. With this setting,you will only be able to roam in the “A” network orsystem.B Only: This works just like the “A Only” setting except youwill only be able to roam in the “B” network orsystem.