5th May 2007 at 06:04
#34812
Guest
Hi JIJOE
Line signalling is the signaling that is used btwn subscriber and the exchange which it is connected .Register signalling is beteween registers that or you can call it inter exchange signaling.That is Each side of Exchange have registers that sends to and recieves the digits from other side.line signaling is also used btwn inter exchange for suprevision and is always there.Register signaling exists only during callset up period.
regards
KKT