Communication apparatus

Details Communication apparatus Communication apparatus

2005-05-10

2005-05-10

Patel, Ajit (Department: 2664)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S466000

Reexamination Certificate

active

06891861

ABSTRACT:
The present invention improves probability of success in connection by enabling effective re-calling even for such a partner apparatus, exchanger, or network that takes a long time in releasing processing when a connection protocol fails at calling in G4, the line is disconnected and re-calling is performed in G3 (fall-back). A fall-back wait timer is provided for waiting for a predetermined time before re-calling is performed by the fall-back function. With this, at the time of fall-back, next communication can be activated in a sufficient time. Therefore, effective re-calling is possible even for such a partner apparatus, exchanger, or network that takes a long time in releasing processing, whereby the probability of success in connection is improved.

REFERENCES:
patent: 5276687 (1994-01-01), Miyamoto
patent: 5367522 (1994-11-01), Otani
patent: 5471317 (1995-11-01), Charbonnier
patent: 5537404 (1996-07-01), Bentley et al.
patent: 5854829 (1998-12-01), Hughes-Hartogs
patent: 5889842 (1999-03-01), Azami

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