Appendix A - Abbreviations
Confidential and Proprietary Information of ZTE CORPORATION 75
Abbreviations Full Name
SCCP Signalling Connection Control Part
SCE Service Creation Environment
SCF Service Control Function
SCH Seizure Per Circuit Per Hour
SCP Service Control Point
SDH Synchronous Digital Hierarchy
SDL Specification and description Language
SDP Service Data Point
SLC Subscriber Line Loop Carrier
SLC Subscriber Line Circuit
SLF Subscriber Line Frame
SFT Single Frequency Trunk
SML Service Management Layer
SMP Service Management Point
SMS Service Management System
SNI Service Network Interface
SNM Switching Network Module
SNMP Simple Network Management protocol
SP Signaling Point
S/P Serial to Parallel conversion
SPC Stored Program Control
SPL Split Charging
SS Soft Switch
SSP Service Switching Point
SSU Signal and Switch Unit
STB Signal Terminal Board
STM Synchronous Transfer Module
STP Signaling Transfer Point
SU2 Subscribe unit 2,
SYC Synchronization Control
SYZ Synchronization Generator
TA Terminal Adapter
TCP/IP Transmission Control Protocol/Internet Protocol
TCS Terminating Call screening
TE1 Terminal Equipment of type1
THW Switching Network Highway
TIM Trunk Interface Module
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