About the VoIP topology collection set

IP Availability Manager
performs its discovery of network objects and also, with optional customizations, creates a VoIP topology collection from the discovered network objects for
. It probes the SNMP agent of every device in the managed network for VoIP support.
IP Availability Manager
stores the VoIP topology collection set in the VOIP_TopologyCollection::VOIP-System-TopologyCollection object.