The announcement is a performance feature. The announcement
function enables a connection to be established to other phones
which is automatically accepted by the subscribers called. The caller
speaks and those called hear the announcement. If one of those
called lifts the receiver, a normal connection is established.
ANSI T1.413 is an ADSL variant.
Analogue answering machines are configured as an analogue ter-
minal and selected via the terminal type. The PABX voice mail sys-
tem is used as the answering machine.
The Address Resolution Protocol (ARP) supplies the associated
MAC addresses to IPv4 addresses. The information required is
shared between the network nodes, stored in the device's cache,
and deleted again after the ARP lifetime has expired. For IPv6 this
functionality is provided by the Neighbor Discovery Protocol (NDP).
The PABX uses Automatic Route Selection (ARS) to determine the
ideal route to the called party, depending on the provider, service,
QoS, …
Asynchronous Transfer Mode (ATM) is a data transmission techno-
logy in which the data traffic is coded in small packets – called cells
or slots – with a fixed length and is transmitted via asynchronous
time multiplexing.
Check on the user's identify.
Based on their identity (authentication), the user can access certain
services and resources.
See CoS.
Automatic callback
on busy (CCBS)
Callback on busy is a performance feature. If the connection of the
subscriber called is engaged, a callback can be requested. When
the called subscriber's phone call ends, the caller is phoned and
automatically connected to the called subscriber.
Automatic callback
on no reply (CCBS)
Callback on no reply is a performance feature. If the called sub-
scriber fails to take the call, a callback can be requested. When the
called subscriber ends a call, the caller is phoned and automatically
connected to the called subscriber.
Automatic outside line enables the phone number of an external
party to be dialled (without entering a code).
Glossary
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