Specifications

BasedonthesefactorsthehardwarecanvaryfromIntelAtomCPUswith4GborRAMuptoamulti
socket/coresystem.Generalguidelinescanbefoundonlineinthesearticle:
● RecommendedHardwareSpecificationsfor3XC
● LargeEnterpriseDeployments
Firewall&NetworkConsiderations
TheFirewall&RouterConfigurationGuideprovidesdetailsonwhichportstoopen.
Otherrequirements
● LatestversionofFirefox,GoogleChromeorInternetExplorer
● Microsoft.NETFrameworkversion4.5orhigher.
● YouwillneedtohaveagoodbasicunderstandingofWindowsNetworking.
● Aconstantinternetconnectiontoerp.3cx.comonport443.
● On demand connection to downloads.3cx.com/*on port 80 for 3CX Management Console
downloadsandadditionalinformation.
Note:InternetExplorerdoesnotcurrentlysupporttheWebRTC/WebMeetingfeatures.
PreparingtheWindowshostmachineforinstallation
TasksthatMUSTbecompletedbeforeinstalling3CXPhoneSystem:
● AssignastaticinternalIPaddresstothehostmachine’snetworkadapter.
● Install all available Windows updates & Service packs before installing the 3CX Phone
System. Reboots after installing Windows updates may reveal additional updates. Pay
particular attention to install all updates for Microsoft .Net before running the 3CX Phone
Systeminstallation.
● AntivirusSoftwareshouldnotscanthefollowingdirectoriestoavoidcomplicationsandwrite
accessdelays:
● C:\ProgramFiles\3CXPhoneSystem\*
● C:\ProgramData\3CX\*
● Incasethe3CXPhoneSystemhostmachinehasmultiplenetworkadapters:
● Disableunusednetworkinterfaces/WiFiadapters.
● OneactivenetworkinterfaceMUSThaveadefaultgatewayconfigured.Itisnot
recommended to have multiple network interfaces all with default gateways
configured.
● Prioritize the network interface used for SIP to the first position from: Control
Panel > In the search boxtype: adapter > Click “View network connections” >
PresstheAltkey,torevealthemenus,and select “Advanced” > “Advanced
Settings”>“AdapterandBindings”tab>Connectionssection.
● Ensure that all power saving options for your System and Network adapters are
disabled(SetthesystemtoHighPerformance).
● DonotinstallTeamViewerVPNOptiononthehostmachine.
● DonotusethehostmachineasaVPNdialinendpoint(InboundorOutbound).
● DisableBluetoothadaptersifitisaclientPC.