Guides
How SS7 Signaling Points Shape Telecom NetworksSignaling System No. 7 depends on clearly defined network roles. Each signaling point handles a different part of call control, message routing, or service…
How to Perform an ISUP Circuit Continuity Check (COT)An ISUP Circuit Continuity Check (COT) verifies that the bearer circuit associated with a Circuit Identification Code (CIC) can carry speech or media between…
SS7 Global Title Translation Across Multiple Signaling ScenariosGlobal Title Translation (GTT) is a core SCCP function used to route signaling messages when the destination point code and subsystem number are not yet known.…
TCAP Session Management In Prepaid Charging SystemsPrepaid charging depends on fast, reliable communication between the serving network and an online charging platform. In SS7 environments, TCAP provides the…
Tracing a Cross-Connected SS7 Call Across Two STPsAn SS7 call can appear simple at the subscriber level while producing a detailed signaling trail across several network elements. In this case study, an…
SIGTRAN SCTP streams for efficient signaling multiplexingSCTP streams provide a structured way to carry several signaling conversations within one association. In SIGTRAN networks, this capability helps transport…
SS7 Protocol Layers Across Legacy And IP NetworksSS7 protocol layers provide a structured way to understand how telephone signaling moves from one network node to another. The architecture separates…
Why the Network Indicator Matters in SS7 RoutingThe Network Indicator (NI) field is a small part of the Signaling System No. 7 message structure, yet it has a major influence on how signaling traffic is…
ISUP ACM And The Network Logic Behind RingbackIn an SS7 call setup, the Address Complete Message (ACM) is a backward signal that tells the originating side the destination address is complete and routing…
Configuring a Point Code Table in a Signaling GatewayA point code table is the routing reference that allows a signaling gateway to identify where SS7 messages should go. It connects destination point codes with…
