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IR systems can be linked to DEFINITY or MultiVantage systems that route calls to and from the IR system and perform call handling functions. For successful operations, switches must be free of hardware problems and must be administered correctly. Additionally, connections between the switch and the IR system must be operating properly and not be overloaded.
DEFINITY and MultiVantage systems come with a comprehensive set of self-tests that you can use to troubleshoot problems with the switch and with connections, such as trunks. Procedures are documented in detail in the various administration manuals. Switch troubleshooting should be done with the aim of bringing connections into service. Once the connections are in service, there is a good chance that the problem is not with the switch.
