I have an Cisco MC3810 router with 4 E&M analog interfaces ( Type 5 - 4 wire ) that are connected to an PBX and are configured for use in a VoFr connection.
Is it possible to configure a connection like this ( VoFr) changing the 4 E&M analog interfaces to an E1 controller ?
Thank you.
Renato Ribeiro
Rio de Janeiro - Brazil