User`s guide

MBR L13 – User’s Guide
64
Figure 86: Edit Extension Screen
2. Configure the parameters as follows:
Parameter
Description
Extension Number
Specify the extension number as it was set on the device (the SIP
phone). The PBX supports extension numbers containing 3 to 9
digits.
Last Name, First Name
You can specify the last name and first name of the extension's
owner.
Class of Service
Select the classes of service to apply to the extension. Selecting a
Class of Service applies the functionality associated with that Class
of Service to the extension. For example, a Class of Service can
specify a particular dial plan for outgoing calls.
Enable Do Not Disturb
Select this checkbox to prevent calls from reaching your extension.
Require Authentication
Select this checkbox to set a specified user name and password for
the extension. The SIP device will only be able to use the extension
if it supplies these values to the L13.
When you select this option, the screen refreshes, and
Authentication User Name and Authentication Password fields are
added. Enter the required user name and password in these fields.
Optimize RTP Path Using re-
INVITE
Select this option to enable the LAN device and the SIP proxy to
exchange Real Time Protocol (RTP) traffic directly. Note that in
order for this feature to work, it must also be enabled for the VoIP
line through which the call is routed.