Invokes the OpenVMS Phone utility (PHONE). The Phone utility is
    designed to simulate some of the features of actual telephone
    communications. You can use the Phone utility to communicate with
    other users on your system or with any other system connected
    to your system by DECnet-Plus or DECnet for OpenVMS. To invoke
    the Phone utility, enter the PHONE command at the DCL prompt and
    press RETURN.

    When entering the DCL command PHONE, you can supply qualifiers
    that modify the characteristics of the simulated telephone.

    Format

      PHONE  [phone-command]