Tektronix K1297-G20 - Manual (Page 193)

Abbreviations
K1297-G20 Monitor User Manual F-3
MSC
Mobile services switching center
MSISDN
Mobile subscriber ISDN address
MSRN
Mobile station roaming number
MTC
Mobile terminating call
MTP
Message transfer part (SS#7)
O&M
Operation and maintenance
OMC
Operation and maintenance center
OSI
Open systems interconnection
PCM
Pulse code modulation
PDU
Protocol data unit
PLMN
Public land mobile network
PRIMO
Primary rate monitoring: E1/T1 interface board
PSTN
Public switched telephone network