User`s guide

PassFinder AP2520 VoIP Router/Gateway Operation Manual Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd. -
335 -
e1t1 E1/T1 Link
r2 E1/T1 CAS/R2 Signaling
q921 ISDN Q921 Packet
q931 ISDN Q931 Packet