Request - CN NSN Training

[aderbaal]

Hi guys, i really search these courses here and outside on internet.
Have no signal of those;

Anyone which has may share this content with us?

CN3401-40A 3G Rel 4 Switching Core Network Operation and Maintenance
CN3404-40A Switching Core Network Troubleshooting
CN3410-41N Switching Core Network Signalling

Thanks