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Enterprises with more than 30,000 users can use a distributed call management network where four or more unified gateways are convergent.
Network Scheme
Figure 1 illustrates a typical distributed call management network in convergent mode. This network applies only to the X1911/X1960/X1981.
Figure 1 Distributed call management network (convergent mode)
Networking Description
ϒ⁄Each node has a unified gateway deployed. The unified gateway at a node is a voice gateway, which is responsible for user registration, intra-office users, and local PSTN calls at that node.
ϒ⁄IP phones, SoftConsole users (SIP users), UC soft terminal users (SIP users), and IADs (on behalf of analog phones and fax machines) at a node register with the voice gateway at the node.
ϒ⁄The voice gateways at different nodes can connect to the PSTN using trunks such as PRA, QSIG, and AT0 for local outgoing calls.
ϒ⁄The convergence gateways route inter-node calls. Different convergence gateways are connected using SIP trunks, and each convergence gateway connects to different voice gateways also using SIP trunks. A convergence gateway can be X1981.
ϒ⁄Multiple convergence gateways can be deployed in active-standby or load balancing mode.
ϒ⁄All business servers are deployed at the headquarters, centrally handling business operations.
Parent Topic: Application Scenario