While the H.248 link is down, calls that were already in progress before the link failure remain connected during the recovery process. Once the link is re-established, normal call processing continues. If the gateway successfully reconnects, the actual outage is less than 2 seconds. Should the link failure persist for a few minutes, some features or capabilities are affected:

• New calls are not processed.
• Calls held in queue for an ACD group, attendant group, call park, or are on hold might be dropped during Link Recovery.
  • G450 Branch Gatewayand G430 Branch Gateway reboots after the Total Search Timer expires.
  • Media modules reboot after the Total Search Timer expires.
• The talk path between two or more points remains up, even if one or all of the parties hangs up.
• Music or announcement sources associated with a call remain connected to queued or held calls in progress, even if one or all parties to the call hangs up.
• If the link failure continues for several minutes, expect inaccuracies in the BCMS, CMS, call attendants, and other time-related statistical reports.
• If the calling party hangs up during Link Recovery, expect inaccuracies in the CDR records for the recovery time period.
• Telephone buttons (including feature access buttons) do not work.

The Feature interactions and compatibility section describes other performance impacts associated with Link Recovery.