You are the network engineer at domain.com. The TestKingISDNnetwork has twoPBX systems from different manufactures.
Which protocol allows functionality between these two PBX systems?
A.
QSIG
B.
Q.921
C.
Q.931
D.
T-CCS
Which protocol allows functionality between these two PBX systems?
You are the network engineer at domain.com. The TestKingISDNnetwork has twoPBX systems from different manufactures.
Which protocol allows functionality between these two PBX systems?