Compatible Interfaces
Many interfaces for converting between Voice/IP/TDM are compatible with Asterisk. These include
- POTS cards (Digium, Zapata, Voicetronix, etc.)
- TDM Digital (AdTran VoFR, Digium E1/T1, etc.)
- CAPI (ISDN card support for Linux ISDN driver)
- USB dongle for FXS
- Modem drivers for certain modems
- Speaker/headphones via soundcard