Patent ID: 6782094
Filing Date: 2004-08-24
Classification: H04M,H04Q

Abstract:
A call control circuit, comprising:a glare detection circuit operable to receive a dial signal associated with the call control circuit and a cause value from a backup circuit which is operable to communicate with a plurality of remote endpoints through a dialing protocol, the glare detection circuit being further operable to assert a glare present signal responsive to the dial signal and the cause value being asserted; an arbitration circuit operable to receive the glare present signal and produces an arbitration signal responsive to an arbitration procedure upon the glare present signal being asserted; and a line control circuit operable to receive the arbitration signal and determine whether the call control circuit will discontinue an outgoing call on the backup circuit and wait a specified period of time for an incoming call on the backup circuit or wait for the outgoing call on the backup circuit to be answered.