Guidelines for using ISDN PRI non facility associated signaling

Last Updated : Apr 26, 2024 |

Use the following guidelines when using ISDN PRI non facility associated signaling in a survivable core server environment.

  • Whenever possible place both D-channels in one media gateway.

  • If it is not possible to place both D-channels in one media gateway, place the D-channels within media gateways where:

  • The media gateways are most likely to failover to the same survivable core server.

  • Enable Force Phones and Gateways to Active Survivable Servers? feature on change system-parameters ip-options screen.