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The IOC is an open industry committee of telecommunications companies and other organizations with a direct interest in the management of IMSI codes. An IMSI is a 15-digit number used within mobile phones that allows service operators to identify mobile terminals, for purposes of international roaming. The IOC is responsible for overseeing the management of IMSI codes that have been assigned to the United States and its possessions as authorized by the U.S. Department of State since 1996.
SCOPE


The IOC is responsible for the management and administration of International Mobile Subscriber Identities (IMSI) in the United States and maintains compliance with the "IMSI Assignment Guidelines and Procedures" to ensure that it meets the evolving needs of the U.S. wireless telecommunications industry.

 
   
Guidelines and Procedures

IMSI Guidelines Version 10.0 (01/19/10)

 

General Information:

Chair:
Adam Newman,Telcordia
anewman@telcordia.com
(732) 699-6425

Secretariat:
Paul Anderson, ATIS
panderson@atis.org
202-434-8654

IMSI-Administrator:
anewman@telcordia.com

ATIS Director:
Jean-Paul Emard
jpemard@atis.org
202-434-8824