Network outages and service degradations caused by network failures have been increasing in recent years. From a technical perspective, deployments of VoLTE and Voice over WiFi have introduced new elements, entities and interfaces across the network, with higher performance requirements than circuit-switched voice. Identifying the fault domain when troubleshooting these services can be much more challenging than it was with past generations of services, because of the complexity of the interactions between the IMS and the client device, and because of the self-healing nature of IP. 

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Our active test solution, IMSAgent is the solution. It is used by the world’s most quality conscious operators to reduce the time, risk and cost of deploying VoLTE and other IMS services. We make performance visible end-to-end, through active network testing that supports tests run from a new approach based on virtualized, scalable software agents utilizing a custom IMS client that enable drill-down on issues to any element within the service.