/mcpCUBE Third-Party Interoperability Fax Guidelines
Contents Introduction Prerequisites Requirements Components Used Background Information CUBE Fax Call Flows FoIP Transport Methods Fax Pass-Through T.38 Fax Relay CUBE Configuration CUBE Pass-Through Configuration CUBE T.38 Configuration Time-Division Multiplexing (TDM) Gateway Configuration for Interworking with CUBE Verify Troubleshoot SIP T.38 Switchover Fax Pass-Through Switchover H323 T.38 Switchover Fax Pass-Through Switchover Symptom 1: CUBE Rejects ReINVITE with 488 Symptom 2: CUBE Rejects RequestMode with RequestModeReject Vendor Specific Information Verizon Related Information Introduction This document describes how Fax over IP (FoIP) operates in Cisco Unified Border Element (CUBE) call flows with IP Service Providers. Prerequisites Requirements Cisco recommends that you have knowledge of these topics: