Telephone exchange apparatus, telephone exchange system, and...

Details Telephone exchange apparatus, telephone exchange system, and... Telephone exchange apparatus, telephone exchange system, and...

H - Electricity

04

M

H04M 15/00 (2006.01) H04L 12/26 (2006.01)

Patent

CA 2549618

If a call is originated from a DKT, a first node being a calling party prepares a call identifying information item using a call number and a Node ID, and transmits the information item to a second node being a called party. If the first node and the second node receive a disconnect request of the call from the DKT, each of the nodes transmits an accounting information item and the call identification item to an accounting apparatus. The accounting apparatus sums up accounting information items having the same call identification item, and performs accounting processing for the summed accounting information as total accounting information of the call.

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