- Basic Rate Interface
Pour les articles homonymes, voir BRI.
Suite de protocoles RNIS Couche Protocoles Canal D Protocoles Canal B Signali-
Paquet Télémétrie Commut. Circuit Semi Permanent Commut. paquet Application Utili-
Présentation Session Transport Réseau Q.931 X.25.3 IP* X.25.3 Liaison Q.921 LAP-D HDLC*
LAP-B Physique Accès de base I.430 • Accès primaire I.431 * Protocoles non RNIS
Il comprend 2 canaux B et un canal D pour la signalisation : 2B+D. Les 2 canaux B font 64 kbit/s chacun, et le canal D fait 16 kbit/s, pour un total de 144 kbit/s.
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