card to mobile phone.

action business buttons call calling card cellphone chat chip circuit communicate communication communications connection contact conversation conversations converse data digital digits electric electronic electronics expend gsm identification industry info information key keyboard keyboarding keyboards keypad keypads mms mobile mobiles number numbers numerics operation operations operator phone phoning portable press procedure reception recharge recharging record recording registered registration reload service sim speak spend splurge talk technic technicality technics technologie technology telecommunication telecoms telephone telephonic telephoning telephonist telephony web work working