The number of received SIP Level 2 PDUs that had
Payload Length errors that fall in the following
specifications:
- SSM L2_PDU payload length field value less
- than 28 octets or greater than 44 octets,
- BOM or COM L2_PDU payload length field not
- equal to 44 octets,
- EOM L2_PDU payload length field value less
- than 4 octets or greater than 44 octets.