Automatic callback
on busy (CCBS)
You urgently need to contact a business partner or internal sub-
scriber. However, when you call, you always hear the engaged tone.
If you were to receive notification that the subscriber had ended the
call, your chance of reaching them would be very good. With "Call-
back on Busy" you can reach the engaged subscriber once they
have replaced the receiver at the end of the call. Your telephone
rings. When you lift the receiver, a connection to the required sub-
scriber is set up automatically. An internal "Callback on Busy" is de-
leted automatically after 30 minutes. The external "Callback on
Busy" is deleted after a period specified by the exchange (approx.
45 minutes). Manual deletion before this period has elapsed is also
possible.
Automatic callback
on no reply (CCBS)
You urgently need to contact a business partner or internal sub-
scriber. When you call them, you always hear the ringing tone, but
your business partner is not close to the telephone and does not
pick up. With "Callback on no reply", you can reach the subscriber
as soon as they have completed a call or lifted and replaced the re-
ceiver of their telephone. Your telephone rings. When you lift the re-
ceiver, a connection to the required subscriber is established auto-
matically.
Automatic clearing
of Internet connec-
tion (ShortHold)
You can activate ShortHold. When you do so, you define the time
after which an existing connection is cleared if data transfer is no
longer taking place. If you enter a time of 0, ShortHold is deactiv-
ated.
Automatic outside
line
After the receiver of a telephone is lifted, the telephone number of
the external subscriber can be dialled immediately.
Automatic redialling Performance feature of a terminal. If the line is busy, several redial
attempts are made.
B channel Corresponds to a telephone line in T-Net. In T-ISDN, the basic con-
nection contains two B channels, each with a data transmission rate
of 64 kbps.
B channel Bearer channel of an ISDN Basic Rate Interface or a Primary Rate
Interface for the transmission of traffic (voice, data). An ISDN Basic
Rate Interface consists of two B channels and one D channel. A B
channel has a data transmission rate of 64 kbps. The data transmis-
sion rate of an ISDN Basic Rate Interface with your gateway can be
increased to up to 128 kbps using channel bundling.
BACP/BAP Bandwidth Allocation Control Protocols (BACP/BAP in accordance
with RFC 2125)
Glossary Teldat GmbH
556 bintec Rxxx2/RTxxx2
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