Standby laws Li having {HEAD ~ frequency jumps} deduced from the traffic law L are applied during {TAIL ~ the silent periods} of the network 
Standby laws Li having { HEAD ~ frequency jumps } deduced from the traffic law L are applied during { TAIL ~ the silent periods } of the network
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH