Title:
TRUNK RESERVATION SYSTEM
Document Type and Number:
Japanese Patent JPS5385106
Kind Code:
A
Abstract:
PURPOSE: To improve the efficiency of line determination in the automatic exchange network by limiting alternative provision call which passes through an alternative route when alternative provision is given at an abnormal time.
Inventors:
SUZUKI TAHEI
WANAMI MASAO
ONO HIROMICHI
WANAMI MASAO
ONO HIROMICHI
Application Number:
JP16677A
Publication Date:
July 27, 1978
Filing Date:
January 05, 1977
Export Citation:
Assignee:
HITACHI LTD
NIPPON TELEGRAPH & TELEPHONE
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04M3/36; H04Q3/54; H04Q3/555; H04Q3/64; (IPC1-7): H04Q3/54
Domestic Patent References:
| JPS499108A | 1974-01-26 |