![]() ![]() The Cisco VG Series supports high to low concentrations of analog voice ports for modem calls, fax calls, and analog supplementary services. Having these devices tightly integrated with the IP-based phone system is advantageous for increased manageability, scalability, and cost-effectiveness. These gateways connect analog phones, fax machines, modems, and speakerphones to an enterprise IP voice system, so you can use them as extensions to your Cisco or third-party IP call-control system. ![]() The Cisco VG350 is a high-density 160-port gateway, the Cisco VG320 is a 48-port gateway, the Cisco VG310 is a 24-port gateway, and the Cisco VG204XM and VG202XM are low-density 4- and 2-port gateways, respectively. The Cisco VG Series Analog Voice Gateways are Cisco IOS ® Software-based (Figures 1 through 3). Requirements for lighter IT infrastructure: Analog phones need fewer switch ports and have no power requirements.įigure 3.Harsh environments: Industries such as mining and manufacturing have harsh environments in which analog phones often have better endurance.Environments that require phone service but do not have power and require long loop lengths: Examples include ranger stations, phones along railroad tracks, and some military deployments such as remote outposts.Using Cisco VG Series, these organizations can still meet regulatory requirements but also have the benefits of unified communications. ![]()
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