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) 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) With SIM card2) Convenient operations3) Phone book4) Intelligent power management5) Random PIN code protection6) Long distance calls locking7) Call records8) Supports carrier locking9) Han

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) Payphone function2) English and Chinese menu 3) Phone book4) Number group management5) Attached small keyboard6) Automatically adds IP7) Call records8) Hands free 9) Supports keyboard lock

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) Store up to recent 600 pieces of billing record2) Support carrier lock3) Setting Barred calls4) Support carrier remote network management5) GSM900/1,800MHz6) Support hands-free calling and

Features:1) Frequency: 900 / 1,800MHz, 850 / 1,900MHz2) External backup batteries which are easy to install3) Displays signal strength4) Supports Mini-PABX to connect with GSM5) Provides feedback sign

Features:1) Frequency: 900 / 1,800MHz, 850 / 1,900MHz2) Supports mini-PABX to connect with GSM3) Provides feedback signal for payphone4) GSM voice communication5) Supports SIM card lock6) With Interne