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New Member

CallBack With NM-16AM

I want to know that callback service can be run on nm-16am. if yes please tell me how?


Re: CallBack With NM-16AM

Sure. As a starting point, you should probably combine the configs from the following two docs and go from there :

Configuring MS Callback Between a Router and a Windows PC:


Configuring Dialin with the NM-8AM or NM-16AM Analog Modem Module:



New Member

Re: CallBack With NM-16AM

i do this configuration but unfortunatly callback does not work at all.please tell me why?

CAORAS#sh ru

Building configuration...

Current configuration : 3071 bytes


version 12.2

service timestamps debug uptime

service timestamps log uptime

service password-encryption


hostname CAORAS


aaa new-model



aaa authentication login LOCAL local

aaa authentication ppp default none

aaa authentication ppp isputil group radius local

aaa authorization network default none

aaa authorization network isputil group radius local

aaa accounting update newinfo

aaa accounting network default none

aaa accounting network isputil start-stop group radius

aaa session-id common

enable secret xxxxxxxxxxx

enable password xxxxxxxxx


username admin password xxxxxxxxxxx

username abtahi callback-dialstring "" password xxxxxxxx

ip subnet-zero

no ip source-route



ip name-server

ip name-server



async-bootp dns-server

chat-script offhook "" "ATH1" ok

chat-script callback ABORT ERROR ABORT BUSY "" "ATZ" ok "ATDT \T"

timeout 60 co

nect \c




interface Ethernet0/0

ip address

ip nat outside



interface Ethernet0/1

ip address

ip access-group NAT in

ip nat inside



interface Async48

ip unnumbered Ethernet0/0

ip accounting output-packets

encapsulation ppp

ip tcp header-compression passive

no ip mroute-cache

load-interval 60

async mode interactive

peer default ip address pool DIALIN

no fair-queue

ppp max-bad-auth 3

ppp callback accept

ppp authentication chap pap



ip local pool DIALIN

ip classless

ip route

ip http server

ip pim bidir-enable



snmp-server community xxxxx RW

snmp-server community xxxxx RW

radius-server host auth-port 2228 acct-port 2229

radius-server retransmit 5

radius-server timeout 15

radius-server key xxxxxxxxxxx


line con 0

exec-timeout 0 0

password xxxxxxxxxxxxx

line 48

script modem-off-hook offhook

script callback callback

login authentication LOCAL

modem InOut

transport input all

autoselect during-login

autoselect ppp

callback forced-wait 10

line aux 0

line vty 0 4

password xxxxxxxxxxxxx




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