There should be a host accepting telnet sessions for on-line
updates (which have to be installed *immediately*, so whoever
added a network can test connectivity and go ahead).
I'm surprised your trouble ticketing system doesn't support a "next
action timer" that allows you to get notification after some time
period, like when the new circuit is supposed to be turned up, or when
the routing reconfiguration is supposed to have been completed so you
can then check connectivity.
Our trouble-ticketing system is a mainframe monster (yes, Virginia,
it is 3270 and i didn't write a more useful one yet.
The problem is that the system has to support not only IP-related
stuff but also physical-level crap; and there's a lot of baggage