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This topic describes how to troubleshoot a call fail that occurs on the PRA trunk.
Symptom
The following faults often occur on the PRA trunk:
ϒ⁄A busy tone is heard when an incomplete called number is dialed.
ϒ⁄A busy tone is heard when a complete called number is dialed.
Possible Causes
The possible causes are as follows:
ϒ⁄The clock sources is not configured on the unified gateway.
ϒ⁄The intra-office and outgoing prefixes are not configured.
ϒ⁄The board status is abnormal.
ϒ⁄The trunk circuit status is faulty.
ϒ⁄The trunk link status is faulty.
ϒ⁄The CRC is enabled on one end, but is disabled on the other end.
Parent Topic: Trunk Faults