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The CheckUserOption function indicates whether the user is enabled for a specified option.


bool CheckUserOption(
  string or Uri Key,
  UserOption Option,
  bool KeyIsPhone


  • Key
    The identity of the user. Can be a SIP URI, a user URI in the form user@host, a user URI in the form user@host;user=phone, or a telephone number.

  • Option
    Specifies a user option. For example, Options.UcEnabled.

  • KeyIsPhone
    Optional. The value is true if the Key is a phone; otherwise, false.

Return Values

Returns true if the user is enabled for the option specified by the Option parameter; else false.