← Glossary
Term
D-channel
ISDN Delta channel — carries LAPD/Q.931 signaling. BRI D is 16 kb/s; PRI D is 64 kb/s. Without D-channel link, B-channels cannot be controlled.
Term
ISDN Delta channel — carries LAPD/Q.931 signaling. BRI D is 16 kb/s; PRI D is 64 kb/s. Without D-channel link, B-channels cannot be controlled.