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Explanation of our servers across the US used to improve latency and reliability

The domain uses SRV records to fail over between multiple servers for high availability. In addition, only the signaling path is routed through our SIP proxies. The media path is optimized, and RTP is transmitted point to point between your servers and our media gateways. To learn more about SRV routing, check out SRV Routing for Inbound Calls using Amazon Route53 and Set up a Redundant Proxy.