User guide

204 TALKSWITCH USER GUIDE
What does single and double-Flash do?
TalkSwitch and the above-mentioned systems/services use flash to activate
their calling features. TalkSwitch therefore needs a way to tell which (or
whose) features you want to access when you press the Flash button.
Using a single-Flash : places the caller on hold. (The flash signal is not
passed to the CO line, solving problems associated with flash causing a hang-
up at some CO).
Using a double-Flash : the first flash places the caller on hold, and the
second flash (if pressed within 2 seconds) tells TalkSwitch to pass a flash to
the CO line to activate the intended CO or PBX feature.