Australian Approved Digium analogue telephony cards for your IP PBX to connect both existing and new PSTN lines and analogue devices to your IP PBX. Digium Cards are developed to work with your Asterisk IP PBX.

To make sure you pick the right card for your requirements see the Digium TDM400p card and numbering explained here with this VoIPShop Knowledge Base FAQ.

More Asterisk and Digium Hardware FAQs here

ONLY FXO Modules with TDM400p Card	ONLY FXS Modules with Digium TDM400p Card:	COMBINATION of FXS and FXO Modules with Digium TDM400p Card
TDM01B - 1 TDM400p Card + 1 FXO TDM02B - 1 TDM400p Card + 2 FXO TDM03B - 1 TDM400p Card + 3 FXO TDM04B - 1 TDM400p Card + 4 FXO	TDM10B - 1 TDM400p Card + 1 FXS TDM20B - 1 TDM400p Card + 2 FXS TDM30B - 1 TDM400p Card + 3 FXS TDM40B - 1 TDM400p Card + 4 FXS	TDM11B - 1 TDM400p Card + 1 FXS + 1 FXO TDM12B - 1 TDM400p Card + 1 FXS + 2 FXO TDM13B - 1 TDM400p Card + 1 FXS + 3 FXO TDM21B - 1 TDM400p Card + 2 FXS + 1 FXO TDM31B - 1 TDM400p Card + 3 FXS + 1 FXO  TDM22B - 1 TDM400p Card + 2 FXS + 2 FXO