[cisco-voip] Configuring dial-on-demand MLPP for remote site?

[Robert Kulagowski]

Robert Kulagowski wrote:
> Is it possible to configure a 2821 or 2851 so that if the WAN link goes 
> out, it steals 3 or 4 channels in a voice PRI to dial back to a RAS 
> server and re-establish a data link?  The channels should only be 
> allocated when necessary.
> 
> We'd like to avoid SRST as much as possible, and we haven't had the WAN 
> _and_ the voice PRI go out at the same time, so it would be a nice bonus 
> to get some redundancy without having to buy extra equipment / circuits.
> 
> If it's possible, then a config example would be nice.

Bump.  Is anyone doing this in production?