Sorry I gove you the wrong like for the cisco partner view.

You want this one

http://tools.cisco.com/WWChannels/LOCATR/jsp/partner_locator.jsp

Another thing to consider with Voip

Home working or the infamous Road Worrier ... the Salesman

If you install a decent Firewall for example a PIX (Cisco again)

You could access all the...

hakro,
How ya doing,

VLANs....this could go on a bit...... It is a way of splitting up your network into different Subnets but without having to install separate switches or trunks. It works by...

I install networking switches and routers but can not help on the administration side.

A few recommendations are:-
Are you going to consider voice over IP if so make sure they are Power over...

I agree it a routing issue try some traceroutes and see where it stops that will give you an idea as to where the problem is.