Figure 25 Analog and Digital Gateways Integrated Within the IP Infrastructure

Everything in the PBX model is replicated onto the IP network. Line cards on the PBX become switched Ethernet ports on the IP network, which also form the core for the switching environment. Trunk cards from the PBX become gateway ports on the IP network. Gateway ports can be housed within traditional IP components (network routers or Ethernet switches), or in an individual chassis of their

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