Using LDAP on Grandstream Phones

In this example, we will demonstrate how to configure and use LDAP phonebook using a Grandstream GXP1628 (version

Configuring LDAP

  1. Log in the GXP1628 web interface, navigate to “Phonebook > LDAP” page.
  2. Fill in the LDAP server address, attributes and filter information. 
  3. Once the configuration is done, click “Save and Apply”.

LDAP Configuration Example

The example configurations are set according to S-Series LDAP server default settings. You can use the following settings as a starting point and adjust the filter and display attributes according to your needs.

Server Address:   (IP address of Yeastar S-Series IPPBX)

Port: 389

Base: dc=pbx,dc=com

User Name: cn=admin,dc=pbx,dc=com

Password: password

LDAP Number Filter: (|(telephoneNumber=%)(homePhone=%)(mobile=%))

LDAP Name Filter: (|(cn=%)(sn=%))

LDAP Version: Version 3

LDAP Name Attributes: cn sn

LDAP Number Attributes: telephoneNumber homePhone mobile mail departmentNumber

LDAP Display Name: %cn

Max. Hits: 50

Search Timeout: 30

Sort Results: Yes

LDAP Lookup: √ Incoming Calls  √ Outgoing Calls

LDAP Display Name: cn

Using LDAP Phonebook

Note: for different Grandstream IP phones, the operation may be different.

  1. On the GXP1628 idle screen, press “More” soft key.
  2. Press “LDAP” soft key.
  3. Enter the search parameters for name or number as needed.
  4. Press “OK”.
  5. Press the navigation key to select the desired contact.
  6. Press “Dial” to call the person.


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