SIP High-Availability Architectures

In the previous sections a closer examination was provided for distributed deployment models, different techniques to provide edge queuing support for these models, and call survivability at the edge in the unfortunate event of a WAN or communication failure with Unified CVP. This section focuses on components configured for a SIP call flow and provides details for the configuration of those components to support different requirements around high availability. Revisiting the solution-level mindset required to successfully design, deploy, and troubleshoot Unified CVP, you must individually examine each native and non-native component in the SIP architecture to understand the options available around high availability. ...

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