
Preface 15
IP Telephony Configuration Guide
Acronyms
This guide uses the following acronyms:
italic text Represents terms, book titles and variables in command
syntax descriptions. If a variable is two or more words,
the words are connected by an underscore.
Example: The command syntax
show at <valid_route>,
valid_route
is one variable and you substitute one
value for it.
plain Courier
text
Represents command syntax and system output, such
as prompts and system messages.
Example: Set Trap Monitor Filters
ATM Asynchronous Transfer Mode
BCM Business Communications Manager
CIR Committed Information Rate
DID Direct Inward Dialing
DOD Direct Outward Dialing
DIBTS Digital In-Band Trunk Signalling
DSB DIBTS Signalling Buffer
ITU International Telecommunication Union
IXC IntereXchange Carrier
IP Internet Protocol
ISDN Integrated Services Digital Network
LAN Local Area Network
LATA Local Access and Transport Area
LEC Local Exchange Carrier
MOS Mean Opinion Score
PCM Pulse Code Modulation
PPP Point-to-Point Protocol
PRI Primary Rate Interface
PSTN Public Switched Telephone Network
QoS Quality of Service
RTP Real-time Transfer Protocol
SNMP Simple Network Management Protocol
TCP Transmission Control Protocol
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