Specifications

When creating a Bridge to another 3CX Phone System, you can choose to use the 3CX Tunnel
rather than a direct connection. To configure a Bridge using the 3CX Tunnel, see the Chapter
“Connecting3CXBridges”.
InstallingandConfiguring3CXSessionBorderControllerforWindows
The3CXSBCisdeployedtoremoteofficeswheretherearemorethan2or3IPPhones,todirect
onlytheirsignaling throughthe3CXTunnel andkeepthemediastreamslocal.Thisalsoreduces
theamountofinternetbandwidth,thatlocalcallsbetweenphonesintheremoteoffice,use.
Toinstallandconfigurethe3CXSBC:
1. Downloadthe3CXSBCforWindows.
2. Youwillbeaskedwhether3CXPhoneSystemisinstalleddirectlyontheinternet(withthe
local interface being a public IP Address) or behind a NAT (where the local interface is a
localIPAddress).Choosetheappropriateoption.
3. Configure3CXSBC:
● PublicIPaddressorFQDNofthe3CXPhoneSystemServer.
● InternalIPaddressofthe3CXPhoneSystemServer.