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Community Member

How to bind Dialer1 to ISDN B1 channel and Dialer2 to ISDN B2 channel ?

Is it possible to bind Dialer1 to ISDN B1 channel and Dialer2 to ISDN B2 channel on a BRI interface ?

My goal is to achieve that the connection over Dialer1 uses always B1 channel and the connection over Dialer2 uses always B2 channel of a BRI interface.

3 REPLIES
Community Member

Re: How to bind Dialer1 to ISDN B1 channel and Dialer2 to ISDN B

I believe it is not possible.

What would be the use for it?

Unless you want to monitor what dialer is up by looking at the leds on the interface card.

Cisco Employee

Re: How to bind Dialer1 to ISDN B1 channel and Dialer2 to ISDN B

YES..it is possible..You need to configure dialer profile with "dialer called xxxx" command..Pl. visit here for more on that command

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fdial_r/drfd.htm#xtocid6

The config should look like this

interface bri0

dialer pool-member 1

isdn spid1 xxxx

isdn spid2 yyyy

interface dialer 1

dialer pool 1

dialer called xxxx

interface dialer 2

dialer pool 1

dialer called yyyy

Pl. make sure that the telco delivers the DNIS digits to router when call comes on tht bri..You need to have exact number of digits configured with "dialer called xxxx" command which is received with SETUP message from telco.

So if user calls xxxx which is spid 1, will be binded to interface dialer 1 and yyyy will be binded to dialer 2.

Here is the url which may throw some more lights on that

http://www.cisco.com/warp/public/129/23.html

Community Member

Re: How to bind Dialer1 to ISDN B1 channel and Dialer2 to ISDN B

b.jelinek,

I live in Europe (and I do not need to associate a Dialer Virtual Interface to a particular B channel in a BRI) and we do not need SPIDs to configure BRI on a basic net3 type of switches (ELTSI).

How would you do that in such case?

Thanks

Fabio

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