Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-8A RFL Electronics Inc.
August 6, 2010 19 (973)
334-3100
“Busy Circuit” Modes allow a level of privacy for calls already in progress as follows:
“Party-line” – The local handset picked up will be “connected” to any call in progress. The
local extension does not required to be dialed to join or overhear a conversation.
“Break-in” – The local handset picked up receives a busy tone. If the nature of the call is not
critical, simply hang-up, and try again later. However, if the nature of the call is
critical, the local phone can break into any call in progress. This is accomplished by
dialing the local “Unique” station ID, the local “Group” call, or “all” call. Note that the
tones are only received locally, and not transmitted over the T1 data stream. This mode
is recommended as the default setting; offering both local circuit accessibility for an
emergency and a measure of privacy for remote phones.
“Private” – The local handset picked up receives a busy tone and cannot access the busy
network. Break-in codes will not work; hang-up and try again later. As a rule, the local
phone can only “connect” to the network when all other phones are on-hook, or if called
by any “connected” phone while on-hook. Remaining off-hook when the circuit is busy
may result in missed incoming calls.
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