Digium TE420 PCIe Digital Interface Card is used conjunction with Asterisk to provide four E1 (PRI/ISDN30B+D) interfaces to PSTN
- Four T1/E1/J1 Port
- Use with Asterisk® for PSTN connectivity
- Full compliant T1 and E1 framing and line decoding.
- Uses VoiceBus™ technology for better audio.
- Fix to PCI Express
- RJ45 Connectors.