This article will explain how to configure multiple Grandstream WP820 for multicast paging.


  1. Navigate to Phone Settings > PTT/Multicast Setting and ensure the default configuration is unchanged:
  2. Enable Multicast Paging Function and configure a Multicast Paging Address:
  3. Save the configuration and reboot the phone.
  4. Repeat steps 1-3 on all remaining phones you wish to use the same paging group.
  5. On the WP820, press and hold the PTT button to make a multicast page.