s1ap

Library to decode/encode ASN.1 protocol (PER only)

Turn telecom signalling captures into explained call-flow ladders — 5G core, 4G EPC, IMS

S1 Signal Event Engine - Real-time S1AP protocol analysis and event processing for LTE networks

3GPP rust LTE types

LTE S1AP (3GPP TS 36.413, Release 19) in Rust, generated from the ASN.1: aligned PER, IEs read and built by name, message checks with their causes, JSON trees and serde. No unsafe code.

S1AP Protocol Encoder/Decoder

SignalBridge — anonymise, filter, and forward 4G S1AP and 5G NGAP signalling. Part of Signal Cloud from Melrose Networks.

NAS helpers (EPS / 5GS)

Async SCTP for Tokio on the Linux kernel stack (RFC 6458): one-to-one and one-to-many sockets, multihoming, notifications, and batched sends and receives.