The Signalling Connection Control Part (SCCP) is a network layer
protocol that provides extended routing, flow control, segmentation,
connection-orientation, and error correction facilities in
Signaling System 7 telecommunications networks.  SCCP relies on the
services of MTP for basic routing and error detection.
Libosmo-sccp is SCCP protocol implementation for Osmocom projects.

WWW: http://git.osmocom.org/libosmo-sccp/