Configuring the Spectralink 8440

I have recently deployed nine Spectralink 8440 WiFi handsets at our 9 acre manufacturing facility. The ‘Quick Start’ manual didn’t have the information I needed for a quick start; specifically how to get the devices connected to the wireless network and registered with the VoIP server. Strangely, the WiFi is completely disabled in the factory default state and takes several steps to enable. Because, you know, it’s a WiFi phone.

Enabling WiFi

  1. From the main menu, navigate to the Settings menu. Select menu option 2 Advanced Settings and enter the default password of 456.
  2. From the Advanced Settings Menu, navigate to 1 Administration Settings -> 1 Network Configuration -> Network Interfaces -> Wi-Fi Menu.
  3. Change Enabled: to Yes. ChangeĀ  SSID to match the SSID of your wireless network. SSIDs are case sensitive. Use the Mode softkey to access upper case letters and numbers. Change the Security: field to match your wireless networks security method. Enter your WEP, WPA(2)-PSK or WPA2-Enterprise key or password in the appropriate field.
  4. Navigate to the Radio menu and make the following changes: set Regulatory Domain to 01 (in the United States) and enable the appropriate bands. Both the 2.4 GHz and the 5 GHz bands are disabled by default. Failure to enable the appropriate bands will prevent your handset from connecting to your wireless network.
  5. Back out of the menus using the Back or End key. You will be prompted to Save Config. Do so and your phone will restart.
  6. Verify upon restart that your phone is now connected to your network. If it is not, review the previous steps and verify your settings, particularly your SSID and passphrase or PSK.

Create a user on your VoIP server or have your VoIP system administrator do so for you.

  1. From the main menu, navigate to the Settings menu. Select menu option 4 Status and navigate to the following menu entry: 2 Network -> 1 TCP/IP Parameters. The second field, IP:, displays the handset’s IP address. Take note of this address and open a browser on your computer. Enter this IP address into your web browser’s address bar.
  2. Enter your phone’s password and click the Submit button. The default password is 456.
  3. Click the Simple Setup menu entry in the navigation menu at the top of the page.
  4. Expand the Time Synchronization section of the page by clicking the + button. Change the SNTP Server field to pool.ntp.org or your preferred network time server. Select the appropriate time zone for your area.
  5. Expand the SIP Server section. Enter the IP address of your SIP server into the Address field. Use standard XXX.XXX.XXX.XXX notation or a valid URL. Enter the registration port into the Port field. Default is 5060.
  6. Expand the SIP Line Identification section. The entry in the Display Name field will appear as your handset’s caller ID. Enter the SIP account’s address in the Address field. This will be something like: 1234@10.11.12.134 or accountname@viopprovider.com. This will be provided to you by your VoIP system administrator. Authentication User ID may or may not be applicable. See your system administrator for details. The Authentication Password is your SIP account password. The Label field’s text will appear on your handset’s display and may be left blank.
  7. Click Save at the bottom of the page. Click Yes in the Confirmation dialog box to register your phone.

If your phone displays an error icon or otherwise indicates that your handset is not registered with the server, contact your VoIP system administrator for help. If you are the VoIP system administrator, get your act together; you’re supposed to be a professional.

General Thoughts and Review

We had delayed the deployment of mobile phones in our facility because we had not found any that provided a reliable network connection and had usable voice clarity. Ours is a metal fabrication shop and half of it is full of welders (radio frequency interference) while the other half is full of presses (it’s loud).
We first tried SIP clients on Android and iOS handsets and found that they could not handle the noise in the shop; voice quality was unbearable. We also tried two other WiFi telephone brands with little to no success. The Uniden handset in particular was an absolute joke.

The Spectralink 8xxx series phones are rugged and provide good connectivity and great sound quality. Our users out in the shop are no-nonsense, very busy people who have zero tolerance for devices that don’t work or provide spotty availability. I get very few complaints from them. I highly recommend this product.

4 thoughts on “Configuring the Spectralink 8440

  1. DoubleJ

    We are currently using Spectralink 8440 in our Manufacturing plant and up till now the volume would stay at high. but within the last two months the volume defaults to about mid range. Is there a setting to resolve this issue and keep it where you left it last. Thanks in advance for you help.. Jerry

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