Panasonic KX-TD500 System Reference Manual page 531

9.00 External Feature Access
Description
Sending a flash signal through the CO line allows
the extension to gain access to the features
offered by the host PBX, or to receive CENTREX
service provided by the central office, such as
Call Waiting and so on.
External Feature Access is effective only during a
1:1 conversation with an outside party.
Programming
System Programming
"System-Numbering Plan (3/11)",
External Feature Access
"Group-Trunk Group (1/3)",
Hook Switch Flash Time
"Group-Trunk Group (2/3)",
Max. Dial No. after EFA Signal
"Extension-Station (2/4, 3/4)",
DN Key Type
"Extension-Station (4/4)",
PF Key Type
PITS Station Programming
DN (Directory Number) Button
Assignment
PF (Programmable Feature) Button
Assignment
DSS (Direct Station Selection) Button
Assignment
Conditions
External Feature Access is ineffective when
"Group-Trunk Group", Hook Switch Flash Time is
assigned to "None".
The maximum dialing digits to be sent to the CO
line after sending the flash signal are restricted by
"Group-Trunk Group", Max. Dial No. after EFA
Signal.
The longest time limit among the following
assignments determines the time limit between
dialing digits.
• "System-System Timer", External Firstdigit
Time-Out.
• "System-System Timer", External Interdigit
Time-Out.
• "System-System Timer", Toll Restriction
Guard Time-Out.
Reference
VT Dumb
10-D-6.03
11-C-11.00
10-E-1.01 11-C-15.00
10-E-1.02
11-C-16.00
10-G-1.02
11-C-26.00
10-G-1.03
10-G-1.04 11-C-27.00
Reference
13-C-1.00
13-C-2.00
13-C-3.00
4-G-15
Operation
Gaining access to a feature (in this case, Call
Waiting) (1)
A call arrives from another outside party during a
conversation with an outside party.
• You hear call waiting tone.
1. Press the TRANSFER button.
• You hear dial tone 1, 3, or 4.
2. Dial the feature number for
"External Feature Access"
(Default : 61).
• The first party is held. Start
conversation with the second
party.
Finishing conversation with the second party and
starting conversation with the first party again
1. Press the TRANSFER button.
• You hear dial tone 1, 3, or 4.
2. Dial the feature number for
"External Feature Access"
(Default : 61).
• Start conversation with the first
party.