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UC/PBX subaccounts can be created from VUC or from the VSM. When adding a new account you have to choose the parent company account from the list. Then, depending on the account creation configuration, you can either set the user's email address or create a username (login) which will be used to log in to VUC and UC softphone clients. If EmailAsLogin flag is set in the App.Settings.config then users will use their email addresses to log in.
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The other settings are same as of the other type types of the clients and are described in relevant sections in the 1.4 Client accounts chapter.
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