src/net/java/sip/communicator/service/protocol/SingleCallInProgressPolicy.java
/**
     * Unregisters a specific <tt>OperationSetBasicTelephony</tt> from this
     * policy in order to have the rules of the latter no longer apply to the
     * <tt>Call</tt>s created by the former.
     *
     * @param telephony the <tt>OperationSetBasicTelephony</tt> to unregister
     * from this policy in order to have the rules of the latter apply to the
     * <tt>Call</tt>s created by the former
     */
Unregisters a specific OperationSetBasicTelephony from this
policy in order to have the rules of the latter no longer apply to the
Calls created by the former.

@param telephony the OperationSetBasicTelephony to unregister
from this policy in order to have the rules of the latter apply to the
Calls created by the former
Unregisters a specific OperationSetBasicTelephony from this policy in order to have the rules of the latter no longer apply to the Calls created by the former . @param telephony the OperationSetBasicTelephony to unregister from this policy in order to have the rules of the latter apply to the Calls created by the former
private void removeOperationSetBasicTelephonyListener(
            OperationSetBasicTelephony<? extends ProtocolProviderService>
                telephony)
    {
        telephony.removeCallListener(listener);
    }
private void removeOperationSetBasicTelephonyListener ( OperationSetBasicTelephony < ? extends ProtocolProviderService > telephony ) { telephony . removeCallListener ( listener ) ; }
Unregisters a specific <tt>OperationSetBasicTelephony</tt> from this
 policy in order to have the rules of the latter no longer apply to the
 <tt>Call</tt>s created by the former.
Unregisters a specific <tt > OperationSetBasicTelephony< / tt > from this policy in order to have the rules of the latter no longer apply to the <tt > Call< / tt > s created by the former .