[rfc-dist] RFC 4666 on Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Wed Sep 20 16:43:04 PDT 2006

A new Request for Comments is now available in online RFC libraries.

        RFC 4666

        Title:      Signaling System 7 (SS7) Message 
                    Transfer Part 3 (MTP3) - User 
                    Adaptation Layer (M3UA) 
        Author:     K. Morneault, Ed.,
                    J. Pastor-Balbas, Ed.
        Status:     Standards Track
        Date:       September 2006
        Mailbox:    kmorneau at cisco.com, 
                    j.javier.pastor at ericsson.com
        Pages:      124
        Characters: 292991
        Obsoletes:  RFC3332

        I-D Tag:    draft-ietf-sigtran-rfc3332bis-06.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4666.txt

This memo defines a protocol for supporting the transport of any SS7
MTP3-User signalling (e.g., ISUP and SCCP messages) over IP using the
services of the Stream Control Transmission Protocol.  Also,
provision is made for protocol elements that enable a seamless
operation of the MTP3-User peers in the SS7 and IP domains.  This
protocol would be used between a Signalling Gateway (SG) and a Media
Gateway Controller (MGC) or IP-resident Database, or between two
IP-based applications.  It is assumed that the SG receives SS7
signalling over a standard SS7 interface using the SS7 Message
Transfer Part (MTP) to provide transport.  This document obsoletes

This document is a product of the Signaling Transport
Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and 
suggestions for improvements.Please refer to the current edition of the 
Internet Official Protocol Standards (STD 1) for the standardization 
state and status of this protocol.  Distribution of this memo is 

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