Disclaimer: The SS7 TT & SSN Assignment Notification Information Repository contains information to assist industry awareness of previous and proposed assignments including information for company representatives to contact peers. When questions arise, this repository provides a tool that may assist in the resolution of potential conflicts and to avoid possible collisions between carriers on similar services. The tables document known assignments but are not guaranteed for accuracy or necessarily up-to-date. Unless otherwise specified, all information contained herein has been provided to TIA without any warranty or representation.
TIA therefore, makes no representations or warranties, and disclaims any and all responsibility, with respect to the accuracy, correctness, completeness or scope of such information.
The documentation for notification of assignments of SS7 TT (Translation Type) and SSN (Sub-System Number) values, in many cases have carrier-specific values used.
This repository may be used to enhance industry awareness of previous and proposed assignments including information for company representatives to contact peers. When questions arise, this repository provides a tool to resolve potential conflicts and to avoid possible collisions between carriers on similar services. The tables document known assignments and are not guaranteed to be accurate or up-to-date.
TIA Engineering Committee TR-45.8 moderates and administers the TIA SS7 TT & SSN assignment forms and tables referenced here in the SS7 TT & SSN Assignment Notification Information Repository on an ongoing basis.
The procedure for industry-wide (wireline/wireless) access to update assignment information and for industry notification is as follows.
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