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-rw-r--r--common/chapters/glossary.adoc8
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diff --git a/common/chapters/glossary.adoc b/common/chapters/glossary.adoc
index 0c914cb..d6a6c2d 100644
--- a/common/chapters/glossary.adoc
+++ b/common/chapters/glossary.adoc
@@ -201,6 +201,10 @@ MS::
MSC::
Mobile Switching Center; network element in the circuit-switched
core network
+MSC pool::
+ A number of redundant MSCs serving the same core network, which a BSC / RNC
+ distributes load across; see also the "MSC Pooling" chapter in OsmoBSC's user
+ manual <<userman-osmobsc>> and _3GPP TS 23.236_ <<3gpp-ts-23-236>>
MSISDN::
Mobile Subscriber ISDN Number; telephone number of the subscriber
MT::
@@ -214,6 +218,10 @@ NCC::
NITB::
Network In The Box; combines functionality traditionally provided
by BSC, MSC, VLR, HLR, SMSC functions; see OsmoNITB
+NRI::
+ Network Resource Indicator, typically 10 bits of a TMSI indicating which MSC
+ of an MSC pool attached the subscriber; see also the "MSC Pooling" chapter in
+ OsmoBSC's user manual <<userman-osmobsc>> and _3GPP TS 23.236_ <<3gpp-ts-23-236>>
NSEI::
NS Entity Identifier
NVCI::