Guidelines for using ISDN PRI non facility associated signaling

Last Updated : Apr 26, 2024 |
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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.