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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
specified path connection
A connection that is created using a specified path.
speech activity detection (SAD)
A function performed by Nortel Multiservice Switch system when processing
voice calls that saves bandwidth by not transmitting the silent portions of a
conversation. Typical telephone conversations consist of 40 to 60 percent
silence.
SPF
See shortest path first (SPF) (page 121).
SPI
See security parameter index (SPI) (page 118).
SPM
See signal processing module (SPM) (page 122).
spooled statistics
Statistics that are collected by the data collection system (DCS) from various
applications. These statistics are used for network planning and engineering
purposes.
SPVC
1 See soft permanent virtual circuit (SPVC, soft PVC) (page 123).
2 See switched permanent virtual circuit (SPVC) (page 129).
SPVP
1 See soft permanent virtual path (SPVP, soft PVP) (page 124).
2 See switched permanent virtual path (SPVP) (page 130).
SR
See service request (SR) (page 119).
Ssh
See Secure shell (Ssh) (page 118).
S-switched permanent virtual circuit (S-SPVC)
1 A switched SPVC (S-SPVC) is a switched connection at a frame relay
network-to-network interface (NNI) that enables connectivity across
networks between configured SPVC endpoints (P-SPVCs).
2 See also switched permanent virtual circuit (SPVC) (page 129).