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Cisco IP Telephony Network Design Guide
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Glossary
EIGRP
Enhanced Interior Gateway Routing Protocol
FB
forward-busy
FIFO
first-in, first-out
FNA
forward-no-answer
FXO
foreign exchange office
FXS
foreign exchange station
G—H
GK
gatekeeper
GW
gateway
H.323 RAS
Registration, Admission, and Status
HSRP
Hot Standby Routing Protocol
I—L
IETF
Internet Engineering Task Force
IMAP
Internet Message Access Protocol
ISDN
Integrated Services Digital Network
ITU-T
Telecommunication standardization sector of ITU
IVR
integrated voice response
JTAPI
Java Telephony API. See also TAPI.
LBR
low bit rate
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