All other user settings may remain at default or be adjusted to align with whatever custom parameters are necessary in the particular system.If the intention is that the Tesira VoIP endpoint should use Lync Normalization Rules as part of the Dial Plan settings please visit this article. If you would like to choose a custom User Dial Plan select that dial plan from the pull down list. Note that if you plan on not using a Dial Plan, or if you would like the user account to utilize the Pool, Site, or Global Dial Plan you can leave this setting a the default "Automatic". Under the Line URI enter "tel:xxxxx" In this instance the xxxxx represents the phone extension number to be assigned to the user.Under the Telephony field select Enterprise Voice.Enter the In this instance the xxxxx represents the user name of the contact and the domain is the URI it is to be associated with.Under "Generate user's SIP URI" select "Specify a SIP URI".Select the user that was created in the Active Directory setup steps above.Click the Find button in the Select from Active Directory window to display the current users.Under the Users dialog click the Add button.From the Enable Users pull down menu, choose Enable Users.Open the Skype for Business (SFB) / Lync server configuration page.