PSTN Connectivity

Using up to two of the network interface modules in the BE4000, you can directly connect to your PSTN provider using analog or digital trunks.

BE4000 supports the following trunk types:


  • Basic Rate ISDN

  • Primary Rate ISDN (T1 or E1)


T1 CAS and E1 R2 are not supported.

Figure 2. PSTN Connectivity