Occasionally a call forwarding rule configured in the Lync/Skype-for-Business environment won't delete or remove properly. More often than not, updating the user database will flush out these unwanted configurations.
See Microsoft documentation here: https://technet.microsoft.com/EN-US/library/gg398682.aspx
References:
https://technet.microsoft.com/EN-US/library/gg398682.aspx
See Microsoft documentation here: https://technet.microsoft.com/EN-US/library/gg398682.aspx
References:
https://technet.microsoft.com/EN-US/library/gg398682.aspx
