Please check following link to configure FreeSBC for IP Carrier Interconnection; https://docs.telcobridges.com/tbwiki/FreeSBC:SIP_Network_Peering_/_IP_Carrier_Interconnection:Configuration_A
Please check following link to configure FreeSBC for IP Carrier Interconnection; https://docs.telcobridges.com/tbwiki/FreeSBC:SIP_Network_Peering_/_IP_Carrier_Interconnection:Configuration_A