Specifications

integratedwiththeheadofficephonesystem.Theycanbeamemberofcallqueuesanduse3CX
Phonetoseepresenceofotherusers.Therearetwowaystoconfigurearemoteextension:
● Directly,usingstandardUDP
● Using3CXTunnelviathe3CXSBC(SessionborderController)
Adirectremoteextensionisgenerallyusedwhenjustafewphonesareusedintheremotelocation.
Ifyouhavemorethan2/3remoteextensions,youcanusethe3CXSBC.
ConfiguringRemoteExtensionsUsing3CXSessionBorderController
ConfigureIPPhonesasRemoteExtensionsusing3CXTunnel/3CXSessionBorderController.
ConfiguringRemoteExtensionsUsingDirectSIP
ToprovisionanIPPhonetobeusedasaremoteextension:
ProvisionaRemoteExtension
WhilethephonethatyouwillbeusingremotelyisstillonthesameLANas3CXPhoneSystem.
1. Select"Extensions"node,intheManagementConsole,clickontheextensionyouwantto
provision,select“EditExtension”>“PhoneProvisioning”tab.
2. In the “Select Provisioning Method” dropdown menu, select “Remote Extension
(STUN)”.
3. ForInformationonPortforwardingforUDPport5060andUDPports9000–9099seeour
guideonyourFirewall&RouterConfiguration.
Also see our guide on Provisioning a Remote Extensions for a more detailed explanation of the
subject.
ConfiguringMultipleIPPhonesonthesameExtension
ItisalsopossibleConfigureMultipleIPPhonesforaSingleExtension.