Specifications

ConfiguringaSlaveBridge
SlaveBridgeUsingthe3CXTunnel
1. Inthemanagementconsoleofthe“Slave”3CXphoneSystem,Selectthe“Bridges”node>
"AddBridge".
2. Enter a name for the bridge and assign a virtual extension number. This virtual extension
numbermustbetheSAMEoneusedonthe“Master”PhoneSystem!
3. IfyouselecttocreateaslavebridgeusingdirectUDP,thenyoumustenter:
● PublicIPofthe“Master”3CXPhoneSystem
● SIPPortofthe“Master”3CXPhoneSystem(bydefault5060)
● AuthenticationPassword–ThepasswordsetontheMasterPhoneSystem.
4. IfyouselecttocreateaSlaveusingthe(TunnelTCP),thenyoumustenter:
○ LocalIPofremote3CXPhoneSystemandport.
○ Remote end of Bridge/Tunnel  Enter the public IP and port of the ‘Master’ 3CX
PhoneSystemmachine(bydefaultportis5090).
○ Configure the port for the local end of the tunnel (5081 by default). If you have
multiple network cards select the IP of the card connecting to the Master Phone
System.
○ AuthenticationPassword–Thiswillbe usedtoauthenticatewiththe‘Master’.This
mustmatchthecredentialsenteredonthemaster.YouwillhavetoforwardTCP
andUDPport5090onthefirewalltothe“Slave”3CXPhoneSystem.
5. Specifyaprefixtobeusedforthisbridge.I.e.ifyouspecify5,thenausermustdial5100to