Common Telephony Misconfigurations

Looping Calls
Cause: Return line forwards to ANET
Fix: Remove forwarding rule

Transfers Not Reaching PSAP
Cause: Incorrect destination number
Fix: Validate PBX routing

Caller ID Confusion
Cause: Misunderstood swap behavior
Fix: Validate display logic with IT

Forwarding Instability
Cause: Conditional routing conflicts
Fix: Simplify forwarding rule