Digium TE420B - Page 15

Digium, Inc. Page 15
Chapter 1: Overview
Data Modes:
 Cisco HDLC
 HDLC
 PPP
 Multilink PPP
 Frame Relay
Voice Modes:
 PRI CPE and PRI NET
– NI1
– NI2
– EuroISDN
– 4ESS (AT&T)
– 5ESS (Lucent)
– DMS100
– Q.SIG
 E&M
– Wink
– Feature Group B
– Feature Group D
 FXO and FXS
– Ground Start
– Loop Start