Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Reexamination Certificate
2005-03-29
2005-03-29
Hong, Harry S. (Department: 2642)
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
C379S088250, C379S163000, C379S201010, C379S393000
Reexamination Certificate
active
06873700
ABSTRACT:
There is provided an announcing method for a notification message in a PBX. The PBX stores the index of a predetermined hold notification message for a corresponding DID (Direct Inward Dialing) number upon incoming a call from a DID office line in a call processing buffer, connects the call between the office line and a corresponding extension line, then announces the hold notification message corresponding to the stored index when the call is placed on hold during the call.
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patent: 5428670 (1995-06-01), Gregorek et al.
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patent: 5535269 (1996-07-01), Hamada
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patent: 5557658 (1996-09-01), Gregorek et al.
patent: 5991374 (1999-11-01), Hazenfield
European Search Report dated Jun. 25, 2003 issued in a counterpart application, namely Appln. No. 01118565.9.
Dilworth & Barrese LLP
Hong Harry S.
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