This OEV is transmitted to the management center. The operator can request for a display of the tickets. When the alarm threshold has been reached, the tickets received are stored in memory until the ticket threshold is reached. When the ticket threshold is reached and no request to display or print has been made, the oldest tickets are lost. Detailed billing tickets contain a cyclic counter, which indicates to the user whether any tickets have been lost.
All blocks contain the same standard header.
Billing Ticket Example Data contained in a ticket is defined in Table 11-1 . Detailed Billing Ticket Example Data contained in a ticket is defined in Table 11-2 . This field is completed only when the call confirmation is processed. 43 Throughput class obtained for communication and from calling to called subscriber. This field is only written when call confirmation is processed.