unlockDevice
unlockDevice release a previously reserved SBC.
public com.acmepacket.ems.ws.service.userobjects.WSDeviceResult unlockDevice(java.lang.String targetName)throws com.acmepacket.ems.ws.service.fault.AcmeDeviceWSFault, com.acmepacket.ems.ws.service.fault.AcmeAdminWSFault