Asterisk Hardware

• Digium (Zaptel)

  • FXO/FXS boards and modules
  • T1/E1 interfaces
    • Channel banks

• Modems (not recommend, few supported)

• Sound Cards

  • can be used to implement PA systems

• Voicetronix, QuickNet

• Dialogic

  • separate drivers, must be licensed, most boards not compatible with VoIP

• ISDN4Linux