Fallback Call Flow

Short definition

Fallback Call Flow: An alternative route used when the primary call destination cannot be reached.

Meaning and how it works

A fallback destination should cover busy, no-answer and unreachable cases, not only a complete PBX outage. Call handling rules determine the order of destinations, ringing time and fallback behaviour. The exact result depends on PBX configuration and whether endpoints are reachable.

Business applications

  • Business scenario:

    If agents are busy or an office is unreachable, the system routes the caller to another team or offers a callback.

What to check before implementation

Test busy, no-answer and simultaneous-call cases. Assign responsibility for maintaining routing rules and provide a clear next step when the preferred destination is unavailable.

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