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1 ISDN NTBA and 2 routers

bpotschien
Level 1
Level 1

Hi there,

is it possible to configure as follows:

One ISDN connection with one number and one NTBA. The S0 ports go in each case to Router1 and to Router2 (1 cable on 1 router). When there is an incoming call to the NTBA which Router will answer the call?

In this case that both routers answer, is it possible to configure a delay on Router2 for answering the call after 2 seconds or so (if Router1 fails)?

My goal is to configure a callback szenario with several NTBA's. All connected to both routers. Primarly Router1 must anser calls. If the router fails, the other must answer the calls.

Thanks in advance

1 Reply 1

spremkumar
Level 9
Level 9

hi

AFAIK the dialin and dialout on the same number will work based on the availability of the B Channel it may either drop in first channel or in second.

I dont think you can do something on this behaviour since you have told that you are gonna connect with several NTBAs would suggest to connect a seperate/induvidual NTs for each router and induvidual lines for each router.

regds