Method and apparatus for providing emergency ring tones for...

Details Method and apparatus for providing emergency ring tones for... Method and apparatus for providing emergency ring tones for...

2005-09-26

2010-02-16

Woo, Stella L (Department: 2614)

Telephonic communications

Telephone line or system combined with diverse electrical...

C370S352000, C379S215010, C379S373020

Reexamination Certificate

active

07664237

ABSTRACT:
A method and apparatus for enabling calling parties to request the VoIP network to provide a special ring tone to be signaled as the occurrence of an urgent call to called parties are disclosed. Alternatively, a high frequency intercept tone or call waiting tone is also provided when the called parties are already engaged in conversation when an urgent call is incoming.

REFERENCES:
patent: 5825867 (1998-10-01), Epler et al.
patent: 7333496 (2008-02-01), Patel et al.
patent: 2006/0045252 (2006-03-01), Gorti et al.
patent: 2007/0286402 (2007-12-01), Jacobson

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