It's true that you have to have an LDAP server. However, you have one at all times with CallManager. CallManager uses its builtin "DC Directory" LDAP server by default, unless you choose to integrate with another LDAP-supporting directory such as Netscape's LDAP server or Active Directory. So, Fast Dials and Address Book will work "out of the box" with CallManager in almost any configuration.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.