As attached diagram Network A is responsible for IP Phone Communication and  B is used as ILL purpose whenever a user need both facilities we need to provide two separate cables to him on seat from both Network Racks. We would like to make it working...

I have two networks of those are using Private govt Network in Whole Campus by two separate Network providers.Both  of us using Vlan1. Some of our users needs both connectivity type but we are like to merge both networks are we already connected over...