Grandstream Networks GXP21 Series User manual

Grandstream Networks, Inc.
GXP21xx/17xx/16xx IP phones
BLF Configuration User Guide

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BLF Configuration User Guide
Table of Contents
INTRODUCTION.............................................................................................................3
OVERVIEW OF FUNCTIONS .........................................................................................4
Configuration Via Web Browser.........................................................................................................4
BLF Key Configurations ....................................................................................................................5
Visual Indicators................................................................................................................................8
Directed Call Pickup..........................................................................................................................9
Table of Figures
Figure 1: Programmable Keys Settings ........................................................................................................5
Figure 2: Configure Busy Lamp Field Key ....................................................................................................6
Figure 3: Select Associated Account.............................................................................................................7
Figure 4: Add Description .............................................................................................................................7
Figure 5: Add Extension Value......................................................................................................................8
Figure 6: Save changes ...............................................................................................................................8
Table of Tables
Table 1: Default Passwords for Login Page ..................................................................................................5
Table 2: The BLF Indicators Status in Different Scenarios.............................................................................9

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BLF Configuration User Guide
INTRODUCTION
Busy Lamp Field (BLF) feature allows an end user, such as attendant, to monitor the hook statusof alist of users.
GXP21xx/17xx/16xx supports Busy Lamp Field (BLF) on the Multi-Purpose Keys and Virtual Multi-purpose keys
on thephone.GXP2140 andGXP2170areexpandablewith 1to4 expansion modulestosupport BLFfeature. This
document serves as an end user guide on how to configure Grandstream GXP21xx/17xx/16xx Enterprise IP
phones for Busy Lamp Field feature.
Note: For GXP16xx series, onlyGXP1628 and GXP1630 support BLF configuration.
To learn more about GXP21xx/17xx/16xx’s basic and advanced features, please visit link
http://www.grandstream.com/support to download the latest “GXP21xx/17xx/16xx Administration Guide” and
“GXP21xx/17xx/16xx User Guide”.

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BLF Configuration User Guide
OVERVIEW OF FUNCTIONS
Grandstream GXP21xx/17xx/16xx Enterprise IP Phone supports Busy Lamp Field (BLF) feature.
GXP21xx/17xx/16xx supports thisfeature by changing the color and status of the MPK/VPK indicators, associated
with the monitored users, on the mounted MPK extensions board or Programmable Keys on the phone body.
GXP21xx/17xx/16xx phones support this feature by changing the LED keys color and status on the MPKs/VPKs
on phone body, GXP2140 and GXP2170 are expandable with 1 to 4 expansionmodules to support BLF feature.
Additionally, the phone system is also ableto pick up the callsto themonitored extensions.
Configuration Via Web Browser
GXP21xx/17xx/16xx embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML
pages allow a user to configuretheIP phone through aWeb browser such as Google Chrome, MozillaFirefox and
Microsoft’s IE. To access the Web GUI:
1. Connect the computer to the same network as the phone.
2. Make sure the phone is turned on and shows its IP address. You may check the IP address by
pressing Up arrow button when phone is at idle state.
3. Open a Web browser on your computer.
4. Enter the phone’s IP address in the address bar of the browser.
5. Enter the administrator’s login and password to access the Web Configuration Menu
Note:
 The computer has to be connected to the same sub-network as the phone. This can be easily done by
connecting the computer to the same hub or switch as the phone connected to. In absence of a
hub/switch (or free ports on the hub/switch), please connect the computer directly to the PC port on
the back of the phone.
 If the phone is properly connected to a working Internet connection, the IP address of the phone will
display in MENU->Status->Network Status. This address has the format: xxx.xxx.xxx.xxx, where xxx
stands for a number from 0-255. Users will need this number to access the Web GUI. For example, if
the phone has IP address 192.168.40.154, please enter "http://192.168.40.154" in the address bar of
the browser.
 There are two default passwords for the login page:

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BLF Configuration User Guide
User Level
User
Password
Web Pages Allowed
End User Level
user
123
Only Status and Basic Settings
Administrator
Level
admin
admin
Browse all pages
Table 1: Default Passwords for Login Page
The password iscase sensitive withmaximum length of 25 characters.
 When changing any settings, always SUBMIT them by pressing the "Save" or "Save and Apply" button
on the bottom of the page. If the change is saved only but not applied, after making all the changes,
click on the "APPLY" button on top of the page to submit. After submitting the changes in all the Web
GUI pages, reboot the phone to have the changes take effect if necessary (All the options under
"Accounts" page and "Phonebook" page do not require reboot. Most of the options under "Settings"
page do not require reboot).
BLF Key Configurations
To configurethe BLF feature on GXP21xx/17xx/16xx phones:
1. On the Web GUI, click on “Settings”.
2. On the drop-down list, click on “Programmable Keys”, as the figure shows below:
Figure 1: Programmable Keys Settings

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BLF Configuration User Guide
3. Go down to the “Multi-Purpose Keys” or “Virtual Multi-Purpose keys” section of the page. Click on the
dropdown menu of the key being set up. Scroll down and click on “Busy Lamp Field (BLF)”.
Figure 2: Configure Busy Lamp Field Key
4. On the “Account” dropdown menu, select the account associated with the IP PBX that carries the
extension being set up.

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BLF Configuration User Guide
Figure 3: Select Associated Account
5. In the “Description” field, type the name of the individual or department that you want to associate with
the extension being set up.
Figure 4: Add Description.
6. In the “Value” field, type the extension number for the extension being set up.

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BLF Configuration User Guide
Figure 5: Add Extension Value
7. Go to the bottom of the page and click on “Save”.
Figure 6: Save changes.
Visual Indicators
The phone system is able to notify the end user the hook status of the monitored extension by changing the LED
colors.
For example, if the monitored extension is ringing, the BLF indicator status will be changed from solid green to
blinking red; andif the monitored extension answersthe call, the BLF indicator status will be changedfrom blinking
red to solid red.
The following table showsthe BLF indicator status in different scenarios:

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BLF Configuration User Guide
Monitored
Extension
Behavior
VMPK (BLF
Background
Status for
GXP21xx)
VPKs/MPKs
(LED Indicator
Status)
Extension Board
Key Status (Only
for MPK
Extension
Supported
Models)
Idle
Solid green
Solid green
Solid green
Placing a call
Solid red
Blinking green
Blinking green
Ringing
Solid red
Blinking red
Blinking red
During a call
Solid red
Solid red
Solid red
Hold the call
Solid red
Solid red
Solid red
Call Park
Solid red
Blinking red
Blinking red
Monitored
extension not
registered/BLF
subscription
failed
Solid grey
Off
Off
Table 2: The BLF Indicators Status in Different Scenarios
Directed Call Pickup
Directed call pickup feature allows GXP21xx/17xx/16xx phone system to be able to answer the calls to the
monitored users. This featureis very useful for the attendant to help the specified callees to answer the call if the
callees are not availableto answer it.
When the monitored user’s indicator is blinking red, that means there is an incoming call on this monitored
extension phone, GXP21xx/17xx/16xx phones user should tap the “Busy Lamp Field” MPK/VPKbutton toanswer
the callfor the monitored user.