Multiplex communications – Diagnostic testing – Path check
Reexamination Certificate
2011-06-07
2011-06-07
Wu, Jianye (Department: 2462)
Multiplex communications
Diagnostic testing
Path check
Reexamination Certificate
active
07957302
ABSTRACT:
The preferred embodiments include a method, system or computer-readable storage medium for identifying analog access line impairments in a communications network. The embodiments include determining a ping packet loss count and a ping failure count from digital packet loss data associated with at least one analog access line. The embodiments also include generating a line designation for the at least one analog access line in response to the ping packet loss count exceeding a first threshold and the ping failure count exceeding a second threshold. Also, a plurality of pings can be transmitted during a testing period, the digital packet loss data being generated in response to the plurality of pings. The first threshold can represent at least a three percent ping packet loss. The second threshold can represent the ping failure count being at least ten percent of a total number of the plurality of pings.
REFERENCES:
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patent: 6807156 (2004-10-01), Veres et al.
patent: 2008/0025226 (2008-01-01), Mogul et al.
patent: 2008/0091819 (2008-04-01), Yang
patent: 2008/0291839 (2008-11-01), Hooper et al.
Killian Thomas
Schryer Norm L.
AT&T Intellectual Property I, LP
Hoffmann & Baron , LLP
Wu Jianye
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