>
>Что значит - не понимает?
Пишем c ACP-70 адрес 123*``sym
deb x25 ev на циске:

18:29:18:   From (3): 321 To (3): 123
18:29:18:   Facilities: (10)
18:29:18:     Packet sizes: 128 128
18:29:18:     Window sizes: 2 2
18:29:18:     Throughputs: 9600 9600
18:29:18:     Behavior flags:
18:29:18:       Reverse charging, no Fast select
18:29:18:       Inter-network Call Redirection and Deflection (ICRD) not selected
18:29:18:   Call User Data (4): 0x01000000 (pad)
18:29:18: Serial1/5: X.25 O R1 Call (25) 8 lci 1023
18:29:18:   From (3): 321 To (3): 123
18:29:18:   Facilities: (4)
18:29:18:     Throughputs: 9600 9600
18:29:18:     Behavior flags:
18:29:18:       Reverse charging, no Fast select
18:29:18:   Call User Data (4): 0x01000000 (pad)
18:29:18: Serial1/5: X.25 I R1 Diagnostic (7) 8 lci 0
18:29:18:   error 36 (Packet on unassigned logical channel), 0x13 FF 0B (Call 8 lci 1023)

вот это и имеем.
в х.25 я не силен, потому с терминологией могут быть проблемы.