1.10 Conversation Features
1.10.7 External Feature Access (EFA)
Description
An extension user can have access to the features of a host PBX or the telephone company, such as Transfer, Hold, Call Waiting, etc. A flash/recall signal is sent to the host PBX or the telephone company. This is only available on trunk calls (including Host PBX Access [ 
1.5.4.7 Host PBX Access Code (Access Code to the Telephone Company from a Host PBX)]).
Conditions
•Flash/Recall Time
The Flash/Recall time can be assigned for each trunk port ( 
LCOT Flash/Recall Time [417]).
•EFA Button
A flexible button can be customised as the EFA button.
•Pressing the FLASH/RECALL button which is set to EFA mode ( 
1.10.6 Flash/Recall/ Terminate) or the EFA button performs this feature. It is also possible to perform this feature by entering the feature number when the current call is placed on a Consultation Hold.
(Consultation Hold: Allows an extension user to place a call on hold temporarily to perform Call Transfer, Conference, or Call Splitting.)
Feature Guide References
1.19.2 Flexible Buttons
User Manual References
User Manual
1.9.2 If a Host PBX is Connected
