PHP. Руководство по PHP. 2005
icap_open
icap_open
Description
resource icap_open (string calendar, string username, string password, string options)Returns an ICAP stream on success, FALSE on error.
icap_open() opens up an ICAP connection to the specified calendar store. If the optional options is specified, passes the options to that mailbox also.
icap_list_events
icap_rename_calendar
