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Cisco Unified Customer Voice Portal: Building Unified Contact Centers by Rue Green

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H.323 High-Availability Architectures

The previous section concentrated on HA efforts pertaining to Unified CVP and the SIP protocol. This section examines the same architecture (refer to Figure 4-18) with SIP and the proxy components replaced with H.323 and gatekeepers. The use case provided in the previous section also applies as-is with only the H.323 interactions with the gatekeeper replacing the SIP interactions with the proxy server. This section is not a comprehensive configuration section on H.323 and gatekeepers. However, it provides some simple examples on how to configure each component for H.323 with high availability in mind. The format of this section is similar to the previous section on SIP. It begins with the Ingress and VoiceXML ...

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