Patent ID: 7848238

Claim:
A method comprising: an access node providing voice over internet protocol (VoIP) service to Evolution Data Optimized (EV-DO) access terminals, wherein providing VoIP service comprises (a) providing EV-DO service in a wireless coverage area and (b) providing transport service over a packet-data network; measuring reverse noise rise (RNR) in the wireless coverage area; measuring, over the packet-data network, each VoIP-quality metric in a set of one or more VoIP-quality metrics; maintaining an RNR threshold and a set of one or more VoIP-quality-metric thresholds, wherein each VoIP-quality-metric threshold corresponds to a respective VoIP-quality metric in the set of one or more VoIP-quality metrics: determining whether the measured RNR is less than the RNR threshold; determining whether each measured metric is less than its corresponding threshold; if (i) the measured RNR is less than the RNR threshold and (ii) each measured metric is less than its corresponding threshold, then clearing the RAB; and if (i) the measured RNR is not less than the RNR threshold and/or (ii) at least one measured metric is not less than its corresponding threshold, then setting the RAB.