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How to subscribe to the JCA-SDN mailing list

Currently the following email list is available for subscription: In order to subscribe to this mailing list you must use either a TIES account or a so called "Guest account".

Log in with your TIES or Guest account to the ITU-T Electronic Registration and Subscription Service page to subscribe.

Please note that self subscription to most ITU-T mailing lists is available only to ITU-T members holding a TIES account. If you do not hold a TIES account, you can create a Guest account and notify the JCA-SDN Secretariat ( on your intention to subscribe to the email list including in the message information on: For additional information on the mailing list system and on how to subscribe, please see

Should you need assistance on how to create a GUEST account, please contact