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Applies to all VoipNow versions!


Message waiting can be activated from the telephone settings and allows the phone owner to see when a new voicemail message is waiting in the mailbox. This article explains how to set up a voicemail message waiting warning for the following VoIP phone devices:

  • Snom 3XX
  • Linksys SPA9XX/PAP2
  • Grandstream GXP2X00
  • Cisco 7940/7960
  • Aastra 9112i/480i/480iCT/9133i/51i
  • Polycom 301/320/330/501/550

Snom 3XX

To set up message waiting on Snom 3XX, take the following steps:

  1. Open your phone's web interface and go to Setup → Line x, where Line x is the line you wish to configure.
  2. Set the parameter Mailbox to your extension number (e.g. 0001*001).
  3. Press Save.
  4. Go to the Preferences page of your phone's web interface.
  5. Set the MWI Notification option to Beep.
  6. Press Save.
  7. Reboot the phone to activate the new settings. 

Linksys SPA9X1

To set up message waiting on Linksys SPA9X1, take the following steps:  

  1. Log in as admin to your phone's web interface by pressing the Admin Login link.
  2. Click Advanced to access the advanced settings section.
  3. Select the extension tab for the extension you want to set. For example, click the EXT1 tab.
  4. In the Call Feature Settings section, set the Message Waiting option to Yes and the Voice Mail Server to your_server_IP:your_server_port (e.g. 1.2.3.4:5060).
  5. Press the Submit all changes.

Linksys PAP2

To set up message waiting on Linksys PAP2, take the following steps:

  1. Log in as admin to your phone's web interface by pressing the Admin Login link.
  2. Click Advanced to access the advanced settings section.
  3. Select the line tab for the extension you want to set. For example, click the Line 1 tab.
  4. In the Proxy and Registration section, set the Voice Mail Server option to your_server_IP:your_server_port (e.g. 1.2.3.4:5060).
  5. In the Supplementary Service Subscription section, set the MWI Serv field to yes.
  6. Press Submit all changes.

Grandstream GXP20X0

To set up message waiting on Grandstream GXP20X0, take the following steps:

  1. Log in as admin to your phone's web interface.
  2. Open the your account's page. For example, go to the Account 1 page.
  3. Set the Subscribe for MWI option to yes.
  4. Set the Voice Mail UserID option to *95.
  5. Press Update to save the settings.
  6. Reboot the phone.

Cisco 7940/7960

To set up message waiting on Cisco 7940/7960, take the following steps:

  1. Press the Settings button.
  2. Press the Scroll key to highlight the Call Preferences.
  3. Press the Select soft key.
  4. Press the Scroll key to highlight Stutter Msg. Waiting from the Call Preferences menu.
  5. Enable the Stutter Msg. Waiting feature by pressing the Yes soft key. If you want to disable this feature, then press the No soft key.
  6. Press the Save soft key to save your selection and display the Settings menu.
  7. Press Back to display the main screen.

Aastra 9112i/480i/480iCT/9133i/51i

To set up message waiting on any of these Aastra models, take the following steps: 

  1. Open your phone's web interface and go to Advanced Settings → Global SIP settings → Advanced SIP Settings section.
  2. Select the Explicit MWI Subscription checkbox.
  3. Press Save settings.
  4. Reboot the phone to activate the new settings. 

Polycom 301/320/330/501/550

To set up message waiting on any of these Polycom models, take the following steps:  

  1. Open your phone's web interface and go to Lines → Line X →Message Center, where Line X is the line you wish to configure.

    If the Message Center section is not available, then it must be enabled with the help of a provisioning configuration file. In such a case, use provisioning to enable message waiting.

  2. Set the Subscriber option to your extension's number (e.g. 0001*001).
  3. Set the Callback Mode option to Contact.
  4. Set the Callback Contact option to *95.
  5. Press Submit.
  6. Wait for your phone to reboot.

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