ocr: Figure 12 ISDN BRI and PRI Services BALISDN BC Channel 1 (64Kaps data or voice) Tomunal SONDEVICS Adanteror Non-ISON BC Channel 2 (64Kaps dala or voice) Telephone DChannel (16Kbps control & connections) BC Channel 1 (64Kups dala ar voice) B U Channel 2 (64Kaps dala ar voice) PRIISON BChannel 3 (64Kops dala ar vaice) Adauer, 8 - Channel 4 (64Kops Cata ar vaice) B Channel 5 (64Kops Cata ort voice) BI 1. Channel 6 (64Kops cata or voice) 8 Channel 7 (64Kaps data orvoice) BI - Channel 8 (64Kops data or voice) 8 1 Channel 23 (16Kbps data or voice) ISONPBX DChannel (16Kbps control & connections)
