1. Glossary and Terms (Download PDF)

2. A usful list of Acronyms 
A B C D E F G H I J K L M N O P Q R S T U V W X   
SA      Source Address
SCCP    Signalling Connection Control Part (SS7)
SCP     Service Control Point (SS7)
SEP     Signalling End Point (SS7)
SIP     Session Initiation Protocol
SLA     Service Level Agreement
SLS     Signalling Link Selection (SS7)
SM      Single-Mode
SMTP    Simple Mail Transfer Protocol
SN      Sequence Number
SS7     Signalling System No. 7
SSP     Service Switching Point (SS7)
STP     Signaling Transfer Point (SS7)
STP     Spanning Tree Protocol
SU      Signalling Unit (SS7)
SVC     Switched Virtual Channel/Circuit