Title:
【発明の名称】電話通信方法および電話通信システム
Document Type and Number:
Japanese Patent JP3369263
Kind Code:
B2
Abstract:
A telephone call initiated from a first network and directed to a second network at which network resources are temporarily unavailable to route and/or switch that call, is completed by a) estimating the anticipated time before these resources can become available, b) offering the caller the option of being called back, based on that estimation, c) calling back the caller when network resources are expected to become available, d) establishing a connection from the first network to the called party at the second network, and e) merging the two calls.
Inventors:
Albert Friedes
Diane Ruth Leighton
Param Deep Thin Sani
Walter Paul Zurray
Diane Ruth Leighton
Param Deep Thin Sani
Walter Paul Zurray
Application Number:
JP21215493A
Publication Date:
January 20, 2003
Filing Date:
August 05, 1993
Export Citation:
Assignee:
AT&T CORP.
International Classes:
H04M3/42; H04M3/48; H04M3/58; H04M7/12; H04Q3/00; H04Q3/545; H04M3/36; H04M3/487; H04Q3/64; (IPC1-7): H04M3/58; H04M3/42; H04Q3/545
Domestic Patent References:
| JP3195163A |
Attorney, Agent or Firm:
Masao Okabe (11 others)