Add VTY commands for experimentation with TS 04.14 commands

TS 04.14 (TS 44.014) specifies a series of commands specific to
conformance testing.  Let's add some VTY commands to play (at least
initially) with closing and opening voice loops in the MS.

Change-Id: I38b1ee9dbf26f5689c38cb83b1b3c5e9eaad7678
1 file changed
tree: c14446e2789728e8e07e52f0b50b2f00422e240a
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap