Which option describes the method used by Cisco IOS gateways to tunnel QSIG signaling messages in H. seenagape 11 years ago Refer to the exhibit. Which option describes the method used by Cisco IOS gateways to tunnel QSIG signalingmessages in H.323 protocol? A.H.323 Annex M1 B.H.323 Annex M2 C.H.323 Annex A D.ISDN Generic Transparency Descriptor E.H.450.1 ← Previous question Next question →