Patent ID: 8913506

Claim:
A method of monitoring quality of a telephone call transmitted over a network, the method comprising: performing a traceroute at a first frequency through the network; obtaining a metric associated with the telephone call using the traceroute being performed at the first frequency, the metric being based on data packets that are transmitted during the telephone call; determining whether the metric, obtained using the traceroute being performed at the first frequency, exceeds a threshold; performing the traceroute at a second frequency through the network if the metric, obtained using the traceroute being performed at the first frequency, exceeds the threshold, the second frequency being a higher frequency than the first frequency; obtaining the metric using the traceroute being performed at the second frequency; determining whether the metric, obtained using the traceroute being performed at the second frequency, is below the threshold; performing the traceroute at a third frequency if the metric, obtained using the traceroute being performed at the second frequency, is determined to be below the threshold, the third frequency being a lower frequency than the second frequency; receiving information from nodes of the network; routing subsequent telephone calls based on the information; and using the information and other information relating to routing of other telephone calls through the network to locate a problem on the network; wherein the subsequent telephone calls are routed to attempt to avoid the problem.