Title: Tekelec's Transport Adapter Layer Interface
Author(s): D. Sprague, R. Benedyk, D. Brendes, J. Keller.
Status: INFORMATIONAL
Date: Apr 2001
Length: 265099
This document proposes the interfaces of a Signaling Gateway, which provides interworking between the Switched Circuit Network (SCN) and an IP network. Since the Gateway is the central point of signaling information, not only does it provide transportation of signaling from one network to another, but it can also provide additional functions such as protocol translation, security screening, routing information, and seamless access to Intelligent Network (IN) services on both networks.
The Transport Adapter Layer Interface (TALI) is the proposed interface, which provides TCAP (Transaction Capability Application Part), ISUP (ISDN User Part), and MTP (Mail Transport Protocol) messaging over TCP/IP. In addition, TALI provides SCCP (Signalling Connection Control Part) Management (SCMG), MTP Primitives, dynamic registration of circuits, and routing of call control messages based on circuit location.
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