Features:1) Frequency: 900 / 1,800MHz, 850 / 1,900MHz2) English or Spanish menu3) Payphone function4) Automatically adds local code5) Calls records / memory6) Hand free7) Supports management through s

Features:1) Suitable for business use2) Can be used for card writing3) It can set up user preview4) You can only dial urgency call without card5) Phone book6) Call diverting7) Supports PIN protection8

Features:1) Payphone function2) English and Chinese menu3) Phone book4) Number group management5) Attached small keyboard6) Automatically adds IP7) Call records8) Hands free9) Supports keyboard lockin

Features:1) Two phone numbers to access both GSM and PSTN2) Supports call barring3) Phone book4) Attached small keyboard5) Second prompt to switch6) Call records7) Supports operator locking8) Supports

Features:1) Frequency: GSM 850 / 900 / 1,900MHz, GSM 900 / 1,800MHz,GSM 900 / 1,800 / 1,900MHz2) Supports carrier lock3) Convenient operations4) Phone book5) Intelligent power management6) Random PIN

Features:1) Supports fax and telephone ports2) Phone book3) Intelligent power management4) Attached small keyboard5) Long distance call locking6) Supports carrier locking7) Supports keyboard locking8)

Features:1) Supports carrier lock2) Network management to modify parameters remotely3) Phone book4) Supports barring calls5) Attached small keyboard6) 5-second prompts to switch7) Call records8) Suppo

Features:1) Supports carrier lock2) Good design3) Displays battery level and signal strength4) Phone book5) Intelligent power management6) Random PIN code protection7) Long distance call locking8) Cal

Features:1) Supports carrier lock2) Supports normal extension port3) Phone book4) Intelligent power management5) Attached small keyboard6) Long distance calls locking7) Supports keyboard locking8) Sup