Version 6.4 175 March 2012
SIP User's Manual 13. Services
13 Services
This section describes configuration for various supported services.
13.1 Routing Based on LDAP Active Directory Queries
The device supports Lightweight Directory Access Protocol (LDAP), enabling call routing
decisions based on information stored on a third-party LDAP server (or Microsoft’s Active
Directory™ enterprise directory server). This feature enables the usage of a single
common, popular database to manage and maintain information regarding user’s
availability, presence, and location.
Note: The LDAP feature is supported only by the GW/IP2IP application.
13.1.1 Configuring the LDAP Server
The basic LDAP mechanism is described below:
Connection: The device connects and binds to the remote LDAP server either during
the service’s initialization (at device start-up) or whenever the LDAP server's IP
address and port is changed. Service makes 10 attempts to connect and bind to the
remote LDAP server with a timeout of 20 seconds between attempts. If connection
fails, the service remains in disconnected state until either the LDAP server's IP
address or port is changed.
If connection to the LDAP server later fails, the service attempts to reconnect, as
described previously. The SNMP alarm acLDAPLostConnection is sent when
connection is broken. Upon successful reconnection, the alarm is cleared.
Binding to the LDAP server can be anonymous or not. For anonymous binding, the
LDAPBindDN and LDAPPassword parameters must not be defined or set to an empty
string.
The address of the LDAP server can be a DNS name (using the LDAPServerName
parameter) or an IP address (using the LDAPServerIP parameter).
Search: To run a search using the LDAP service, the path to the directory’s subtree
where the search is to be done must be defined (using the LDAPSearchDN
parameter). In addition, the search key (known as “filter” in LDAP references), which
defines the exact DN to be found and one or more attributes whose values should be
returned, must be defined. The device supports up to 20 LDAP search requests.
If connection to the LDAP server is disrupted during the search, all search requests
are dropped and an alarm indicating a failed status is sent to client applications.
Relevant parameters: LDAPServiceEnable; LDAPServerIP; LDAPServerDomainName;
LDAPServerPort; LDAPPassword; LDAPBindDN; LDAPSearchDN; LDAPDebugMode;
LDAPServerMaxRespondTime.
The LDAP Settings page is used for configuring the LDAP server parameters. For a full
description of these parameters, see 'Configuration Parameters Reference' on page 541.
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