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In an HA system, the SIP Domain name is the name of the distributed system, and must be different than the fully qualified host name of any of the individual servers. See DNS Concepts for sipXecs. |
When you set up the first system, it automatically is configured with the Management and Primary SIP Router roles. The Primary SIP Router role includes the proxy and registry/redirect services needed for call routing, and some other services such as the one that writes the Call Detail Records.
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