I'm trying to call from Sending_Router# , long distance, to a Receiving_Router" in a town where I am the local telco's only long distance bri customer.
I'm using DOV (Data over Voice) because the local phone company has no ISDN CSD(data) capability to a long distance carrier. Any called placed from the local phone company as a long distance call will not be seen as an ISDN to ISDN call with a bearer capability of CSD (data).
DOV is one of those things that that I would say is not an exact science. There is a 50/50 chance it will work, mostly due to the circuit provisioning. Essentially the passage of the call thru the analog circuit causes the corruption of data. Hence the one way LCP. You currently have the routers configured as recommended. As far as I know there is is no support provided by Cisco either for this technology. Most telcos stopped supporting DOV because it was a way for people to ask for a cheap analog circuit while still passing data thru.
You do not have modems nor do you seem to supporting modem calls so RPM does not apply in your case.
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