Guides

TCAP Response Timeouts and Service LatencyTransaction Capabilities Application Part (TCAP) supports signaling exchanges that sit behind many telecom services, including mobility management, number…
How SS7 Enables Advanced Intelligent Network ServicesAdvanced Intelligent Network (AIN) services separate call logic from the basic switching process. This allows a telecommunications provider to introduce…
MTP2 Link Alignment and Proving Periods ExplainedMTP2 link alignment is the controlled startup process that allows two signaling points to establish a reliable data link. Before user traffic can pass, both…
How SSN Guides SCCP Signaling TrafficIn Signaling System No. 7, the Subsystem Number (SSN) identifies the application or service that should receive a signaling message at a destination signaling…
SS7 Security In 5G Networks: Legacy Interworking Risks5G introduces service-based architecture, cloud-native cores, network slicing, and faster application delivery. Yet many operators still depend on older…
ISUP Bearer Capability Negotiation Across Voice And Data CallsBearer capability negotiation determines what kind of service a circuit-switched call can support. In an SS7 network, the originating exchange signals the…
Understanding M3UA Routing Contexts And Routing KeysM3UA connects traditional SS7 signaling with IP transport through SIGTRAN. It carries messages such as ISUP, SCCP, and other MTP3-user traffic across SCTP…
Practical Guide to SS7 Protocol Analyzers and Decoder SettingsSS7 protocol analyzers help engineers inspect signaling traffic, verify call behavior, and locate faults across legacy and IP-based telecom networks. A useful…
SS7 Network Planning: How Many Links Does Each Route NeedReliable signaling depends on more than connecting two signaling points. A well-designed SS7 network must carry normal traffic, absorb busy-hour peaks, survive…
MTP3 Load Sharing Across Links: Algorithms And Design RulesMTP3 load sharing distributes signaling messages across the physical links within a linkset connecting two adjacent signaling points. The objective is to use…