Tektronix K1297-G20 - Manual (Page 194)

Abbreviations
F-4 K1297-G20 Monitor User Manual
SMS
Short message service
SPC
Signalling point code
SS#7
Signalling system number 7, also:
Common channel signalling system number 7; ITU Q.700 series
SSN
Subsystem number
SSP
Service switching point
SSS
Switching subsystem
TCAP
Transfer capability application part
TMSI
Temporary mobile station identity
TUP
Telephone user part
V..., X...
CCITT Interfaces
VLR
Visitor location register