Restore data from different media server

Hi,

I need your help in below described case:

- site A (Media Server W2k8+ Master Server for all sites ):

  -clientA

- site B (Media Server RHEL 5.9 ):

  -clientB

- site C (Media Server W2k8):

  -clientC

NBU version is 7.6.0.1

I do backup on tapes job of clientB's data via media server in site B.

Now I need to restore clientB's data ane write to clientA via media server in site A.

What are the steps to avoid thru WAN restore...?

I found this article but guess it is dedicated for restore when image is not in EMM db?

Thanks