2.11.7 External Feature Access (EFA)
Description
Normally, an extension user can only access features within the PBX. However, when performing External
Feature Access (EFA) the extension user performs features outside of the PBX, such as using the transfer
services of the telephone company or host PBX. When EFA is performed, the PBX sends a flash/recall signal
to the telephone company or the host PBX (® 2.5.4.8 Host PBX Access Code (Access Code to the Telephone
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
(® 2.11.6 Flash/Recall/Terminate).
Conditions
• Flash/Recall Time
The Flash/Recall time can be assigned for each trunk port.
• EFA Button
A 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 on
Consultation 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 to
perform 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 third party
all on one line. In Call Hold, the party on hold and the third party are connected to the extension using
separate lines.
PC Programming Manual References
9.25 PBX Configuration—[1-1] Configuration—Slot—Port Property - LCO Port—
Flash Time
10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main—Features— External Feature Access
12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Option 7— Flash
Mode during CO Conversation
12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button— Type
12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Option 7— Flash
Mode during CO Conversation
12.2.3 PBX Configuration—[4-2-3] Extension—Portable Station—Flexible Button— Type
15.5 PBX Configuration—[7-5] TRS—Miscellaneous— TRS Check after EFA
Feature Guide References
2.21.2 Flexible Buttons
User Manual References
1.11.4 If a Host PBX is Connected
Feature Guide 155
2.11.7 External Feature Access (EFA)
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