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If you are a TM Forum Member and are already registered, you should be able to reach this Workspace pages.
Non Mmebrs Members need to create a Tm forum TM Forum User Account and notify TMFMOruma s TM Forum as described below.
If you are not already registered, you can do so at https://www.tmforum.org/user-registration/
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If you wish to remove yourself either use the emalil email unsubscribe feature or alternatively email [email protected] or [email protected] referencing the workspace and the email list.