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Virtual Office Mobile Issues With Spamcall Blocks or Robocall Filtering App
8x8 Support

Virtual Office Mobile Issues With Spamcall Blocks or Robocall Filtering App



When an 8x8 Virtual Office Mobile user is not able to receive calls on their mobile device but gets missed call notification

  • Slave reset does not resolve the issue
  • 8x8 Virtual Office Mobile uninstall and reinstall does not resolve the issue
  • Calls to extensions affected will only ring "once" on physical extensions
  • Calls to Ring Groups that the extension is a member of, or direct calls to extension goes straight to Voicemail
  • Only happens when 8x8 Virtual Office Mobile extension is logged in
  • Do Not Disturb is not enabled on the extension

Applies To

8x8 Virtual Office Mobile on Android and iPhone with spamcall block or robocall filtering application installed.


Check for any 3rd party applications designed for phone management.

Identify if any of the icons are on the mobile device:


  1. Uninstall or de-active any spam or robocall filter application from device.
  2. Uninstall 8x8 Virtual Office Mobile.
  3. Reboot the device.
  4. Re-install 8x8 Virtual Office Mobile from Apple App Store or Google Play Store.
  5. Give / Allow permissions requested by app during installation or first run.
Note: some android based devices need to allow the app to display from background, otherwise it will only show in the notification bar but cannot be selected.


When a spamblock or robocall filter app is installed, this can interfere with 8x8 Virtual Office Mobile app's ability to receive incoming calls.

Additional Information

Current list of verified apps that can interfere with the functionality of 8x8 VOM app:

  • Hiya
  • Mr Number
  • Samsung Smart Call
  • Samsung Places
  • AT&T Call Protect
  • T-Mobile Name ID
  • ZTE Caller ID

Note: This list will be updated as new apps are identified to cause this issue.