Telephonic communications – Special services – Service trigger
Reexamination Certificate
2004-12-03
2009-12-22
Elahee, MD S (Department: 2614)
Telephonic communications
Special services
Service trigger
C379S029070, C379S207070, C379S207080, C379S418000, C379S424000, C379S448000, C370S352000
Reexamination Certificate
active
07636429
ABSTRACT:
In providing call backup of a VoIP terminal, where the VoIP terminal connected to a VoIP network is automatically provided with a PSTN backup function, the on the hook state is deferred for a predetermined time period even when the on the hook state is required to be performed while a user makes an urgent communication, and a ring tone signal transmitted from a PSTN can be detected even when the telephone connected to the VoIP terminal is in a VoIP mode state. Simultaneously, the telephone connected to the VoIP terminal senses the hook state of the telephone in the state of the PSTN, and can be automatically connected to the VoIP network upon the VoIP terminal being on the hook.
REFERENCES:
patent: 6614786 (2003-09-01), Byers
patent: 2001/0024440 (2001-09-01), Pounds et al.
patent: 2003/0012184 (2003-01-01), Walker, III et al.
patent: 2004/0022237 (2004-02-01), Elliott et al.
patent: 2004/0037219 (2004-02-01), Shaffer et al.
patent: 2004/0037265 (2004-02-01), Huang et al.
patent: 2004/0052242 (2004-03-01), Laturell
patent: 2004/0052350 (2004-03-01), Jaroker
patent: 2005/0053051 (2005-03-01), Beyda et al.
patent: 9-65429 (1997-03-01), None
patent: 2001-217929 (2001-08-01), None
patent: 2004-15755 (2004-01-01), None
Japanese Office Action corresponding to Japanese Patent Application No. 2005-024949, issued on Dec. 19, 2006.
Bushnell , Esq. Robert E.
Elahee MD S
Samsung Electronics Co,. Ltd.
LandOfFree
Providing call backup of voice over internet protocol (VoIP)... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Providing call backup of voice over internet protocol (VoIP)..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Providing call backup of voice over internet protocol (VoIP)... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4071302