1.10 Conversation FeaturesFeature Guide 1371.10.7 External Feature Access (EFA)DescriptionNormally, an extension user can only access features within the PBX. However, when performing ExternalFeature Access (EFA) the extension user performs features outside of the PBX, such as using the transferservices of the telephone company or host PBX. When EFA is performed, the PBX sends a flash/recallsignal to the telephone company or the host PBX (→ 1.5.4.8 Host PBX Access Code (Access Code to theTelephone Company from a Host PBX)).This feature is only available on trunk calls.This feature is performed by pressing the EFA button or the FLASH/RECALL button that is set to EFA mode(→ 1.10.6 Flash/Recall/Terminate).Conditions• Flash/Recall TimeThe Flash/Recall time can be assigned for each trunk port.• EFA ButtonA flexible button can be customised as the EFA button.• It is possible to perform this feature by entering the feature number while the current call is placed onConsultation Hold (e.g., is going to be transferred to an extension of the host PBX).Consultation Hold: a condition that a party is in, when an extension is calling other parties in order toperform Call Transfer, Conference, or Call Splitting.In Consultation Hold, the original call is treated as if it is on hold, allowing the extension to call a thirdparty all on one line. In Call Hold, the party on hold and the third party are connected to the extensionusing separate lines.PT Programming Manual References[417] LCOT Flash/Recall TimeFeature Guide References1.19.2 Flexible ButtonsUser Manual References1.9.4 If a Host PBX is Connected