CHANGE-TDCSU:DEV=S2CONN, PEN=<ltg-ltu-slot-cct>, 
BCGR=b, CCHDL=SIDEA;

• Please note that B-side stations were configured differently by the carrier.
• The COT parameter BCNE must be set for lines using the QSIG protocol so that in the event of a collision, both calls are successfully connected, provided there are B channels available.