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Chapter 2: Installation
61200.070L1-1 Express XL/XLT User Manual 23
Table 2-A
Using the Flash-Hook
Calling a second party with an active call.
Flash-hook to place active call on hold and dial new number. Hanging up will
terminate the call.
Answering an incoming call with an active call at call waiting.
Flash-hook to place active call on hold and answer incoming call. Hanging up
will terminate both calls.
Conferencing Calls.
With an outgoing call on hold, and a second outgoing call active, flash-hook to
conference calls. Hanging up will transfer second call.
With an incoming call on hold, and outgoing call active, flash-hook to confer-
ence calls. Hanging up will transfer calls.
With two incoming calls (one on hold and one active) flash hook to conference
calls. Hanging up transfers calls.
Answering calls on hold, and holding incoming active calls.
Flash-hook places the incoming call on hold and reconnects to outgoing call.
Hanging up will terminate both calls.
When connecting to a National ISDN 1 switch, call conferencing and call transferring
are assigned a unique feature identifier number. This number may not be the same in
all areas. The Configuration/WAN/POTS menu contains the feature identifier
numbers for conference and transfer. If these features do not work, contact your ISDN
provider. They can determine the numbers for these features that can then be pro-
grammed into the Express XL/XLT.
Customer Premises Wiring
Customer premises wiring requirements for the Express XL/XLT vary de-
pending on the application and existing wiring. It may be simpler for the
ISDN provider to deliver another line to your location. This would eliminate
the need to modify existing wiring. Figures 2-1 and 2-2 illustrate two wiring
scheme possibilities.