Specifications

what configuration options are available in 3CXPhone per extension from “Extensions” node >
“EditExtension”>“3CXPhone”tab.
Fromhereyoucanconfigure:
● Disallowuseof3CXPhoneRemovestheusersabilitytousea3CXPhone
● HidetheForwardingRulesRemovestheusersabilitytoconfigurehis/herforwarding
rulesfromwithinthe3CXPhoneclient.Theseoptionswillonlybeavailablefromthe3CX
ManagementConsole.
● ShowCallRecordings/AllowDeletionofRecordingsAddsthecallrecordings,allowing
theusertomanagetheircallrecordings.
● Configuredefaultphonemodetouseinthe3CXPhoneforWindowsConfigurewhich
phonemode(SoftphoneorCTI)mustbeusedbydefault.
● DefaultStartupScreenSetsthedefaultappearanceofthephonetothedialpadorthe
presencescreen.
● Use3CXTunnelforremoteconnectionsConfigures3CXPhonetousethe3CXTunnel
forthe“OutofOffice”connectiontothe3CXPhonesystemratherthanconnectingdirectly
via STUN/SIP port of the pbx. It is advised to turn this option ON to avoid intermittent
connectionproblems(absenceofaudio)fromremotelocationstothephonesystem.
Note:3CXPhoneSystemincludesanautomaticcallbackfeatureinBlindTransfer.Ifyouperforma
blindtransferandtherecipientofthecallisbusy,thenthecallwillautomaticallyreturnbacktoyou.
Thiswayyoucaninformthecallerthatthepersontheyaretryingtocontactisbusyandproceedto
transfer to another destination. Read our detailed guide on how to How to Enable Callback on
UnsuccessfulBlindTransfer
Configuring3CXPhoneasaremoteextension
Prerequisites for having remote extensions are explained in detail in the “Configuring Remote
Extensions”sectioninthe“Configuring&ManagingIPPhones”chapter.
3CXPhoneforWindows,Mac,Android
3CXPhone for Android, Windows andMac are automatically configured to be able to be used as
remoteextensionsusingthe3CXTunnelorindirectSTUNmodedependingonthesettingofthe
extension.Noconfigurationatallisrequiredontheclientside.
As soon as the user switches network, and 3CXPhone detects this change, it automatically