Phase 3: The exchange sets up the outgoing call
nWhen
the analysis is finished, an outgoing time slot is reserved in the
group switch
nExchange
starts signaling the next exchange
nIf SS7 is used signaling takes different bearer net that the call (Common
ch. signaling)
nCall
path is selected based on
ncongestion
condition
nwas
B-subscriber line reserved?
nWhen
B is free the B-subscriber exchange signals: “B-subscriber free”