Related Terms: Imei, Electronic serial number, Min, Esn, Nam, Msisdn, International roaming, Phone book, Ctia, Sim, Activation, Cell phone, Phonebook, Wireless phone, Esmr, Handset, Mobile phone, Sim card, Gsm phone, Usim, Imt-2000, Smart phone, Advanced mobile phone service, Mobile telephone switching office, Cellular phone, Roaming, Mobile station, Personal communications services, Cordless phone, Namps, Mobile telephone, Iden, Amps, Phone number, Msc, Cordless, Gmsc, Pcs, Short code, Personal communications service, Mtso, Puk, Plmn, Prl, Imode, Base transceiver station, Dual mode, Global system for mobile communications, Gsm, Cellular