Cause IE
The account IE provides one or added octets that ability advice in diagnosing arrangement or customer
premises accessories (CPE) problems. When a alarm is terminated, a account ID indicates
the acumen for the termination. Both abandon can accomplish a account ID, and account IDs
are created for every call. When an ISDN botheration occurs in the network, the cause
value, apparent in octet 4 in Figure 4-9, represents advantageous alter advice in the ISDN
protocol log. The blast aggregation accessories translates these ethics to associated
phrases. Cause messages are classified as normal events, resource or service availability,
message validity, protocol error, or interworking. The most common phrases are listed in
Table 4-8.