When LDAPserver is turned on, you can customize the add contacts, delete contacts, import/go out of contact, and the phone can be loaded correctly.
1,ZYCOO Phone System -> Advanced -> Phone Book,click to the Create Contact ,enable this function and fill out this configuration,then click to the save.
2,Click to the sync LDAP,then IP Phone can be synchronized.
1, IP Phone web page->Directory->LDAP
2,IP Phone web page->Function Keys->Line Key
3,IP Phone display