Hello. We have a customer that would like to use one of the B channels on a ISDN BRI for voice (hooked up to an analog phone) and we would use the other channel for data (specifically for backing up a frame relay connection). Is there a way to do this internally on a 1760V router. If it is possible to map an FXS port to one BRI channel, I believe that is the only way we could do it. TIA for any suggestions.
An ISDN modem or router with NT-1 and RJ-11 port will allow you to break out one B channel for voice and the other B channel for data. It's been a few years since I've worked with ISDN, so I'm not up to date on new technology for ISDN. We are moving away from ISDN.
I have done this with an 804 router. This was in the days of ISDN being a fast internet connection. We would roll the fax line into the ISDN line so that any fax calls would come into the router and go out a voice port. Bringing down the second channel of data. Once the fax was done the channel would be free again for data. Not sure that this is supported on any other platform though.
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