Proxima, Libra firmware ver. 2.12.xx
rev. 2.12.01
The LCR tables are analysed after each digit dialled by the user. The process is
concluded (the trunk lines bunch is assigned) when it is known that dialling of
any other digit will not change the selected prefix. The time for selection of the
trunk lines bunch is limited (the so-called timeout), i.e. after a specific period of
time for dialling of the number by the user, the calling party will hear an
“unavailable” tone.
If the LCR tables contain no “empty” prefix and the number dialled by the user
has not been found, the server functions as if the LCR service was switched off for
this user.
Using the computer program (Extensions → Traffic classes), the trunk lines
bunch (01-32) containing all trunk lines used in the LCR tables should be
assigned to the user in the Line access field. A restriction on trunk lines within this
trunk lines bunch will make the missing lines inaccessible for a given user and the
server will not make calls through such lines. Such a situation may be intentionally
used to restrict outgoing calls (e.g. to mobile operators).
The server allows defining alternative server and bunch prefixes, through which
the call is to be made if the “first route” is engaged or damaged.
The LCR service is configured in the computer program (Call distribution → LCR
tables).
4.2.6 Booking a trunk line call
If you wish to connect with a trunk line and you hear an engaged tone after dialling
e.g. “0,” you may book a trunk line call. Thanks to this option, you will not have to
dial “0” repeatedly to check if the trunk line is idle.
If you want to book the trunk line:
Pick up the phone.
You will hear a dialling tone.
Dial the number of a trunk line bunch, e.g. , in order to connect with
the local exchange.
If you hear an engaged tone, press
You will hear two short tones confirming the booking acceptance.
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