A calling station breaks the silence of the network by transmitting a call sequence . . . ST, ST, ST, ST, ST, . . . , under {HEAD ~ frequency conditions} which are determined from {TAIL ~ its standby law} Li in progress and from the preceding standby law Li 1 
A calling station breaks the silence of the network by transmitting a call sequence . . . ST , ST , ST , ST , ST , . . . , under { HEAD ~ frequency conditions } which are determined from { TAIL ~ its standby law } Li in progress and from the preceding standby law Li 1
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH