You can add contacts using an LDAP or CardDAV account, if your company or organization supports it.
How to add LDAP (CardDAV) Account for iPhone iOS 7.1iOS7 iphone
Please observe the following methods:
Set up an LDAP or CardDAV account to access business or school directories:
1. Go to Settings > Mail, Contacts, Calendars > Add Account > Other.
2. Then tap “Add LDAP Account” or “Add CardDAV Account”
3. Enter the account information. One of which is to increase you daily physical lined paper for writing activities such as hiding the tv remote