Nat settings – Grandstream GXP1610 Administration Guide User Manual
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GXP1610/GXP1620/GXP1625/GXP1628
Administration Guide
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starting with the entered prefix and "telephoneNumber" field set.
LDAP Version
Selects the protocol version for the phone to send the bind requests. The
default setting is "Version 3".
LDAP Name Attributes
Specify the "name" attributes of each record which are returned in the LDAP
search result. This field allows the users to configure multiple space
separated name attributes.
Example:
gn
cn sn description
LDAP Number Attributes
Specifies the "number" attributes of each record which are returned in the
LDAP search result. This field allows the users to configure multiple space
separated number attributes.
Example:
telephoneNumber
telephoneNumber Mobile
LDAP Display Name
Configures the entry information to be shown on phone's LCD. Up to 3 fields
can be displayed.
Example:
%cn %sn %telephoneNumber
Max. Hits
Specifies the maximum number of results to be returned by the LDAP server.
If set to 0, server will return all search results. The default setting is 50.
Search Timeout
Specifies the interval (in seconds) for the server to process the request and
client waits for server to return. The default setting is 30 seconds.
Sort Results
Specifies whether the searching result is sorted or not. The default setting is
"No".
LDAP Lookup
Configures to enable LDAP number searching when dialing and receiving
calls.
Lookup Display Name
Configures the display name when LDAP looks up the name for incoming call
or outgoing call. This field must be a subset of the LDAP Name Attributes.
Example:
gn
cn sn description
NAT SETTINGS
If the devices are kept within a private network behind a firewall, we recommend using STUN Server. The
following settings are useful in the STUN Server scenario:
STUN Server
Under Settings->General Settings, enter a STUN Server IP (or FQDN) that you may have, or look
up a free public STUN Server on the internet and enter it on this field. If using Public IP, keep this
field blank.
Use Random Ports
It is under Settings ->General Settings. This setting depends on your network settings. When set to
"Yes", it will force random generation of both the local SIP and RTP ports. This is usually necessary