I have a little 1760 router with a fast ethernet port that is 'trunked' to a Cisco Catalyst 2950 series switch. I have the 802.1q trunking working fine but it would be nice not to have to add vlan ...

Before configuring voice VLAN on your Ethernet switches, remember to figure out whether your core network is Layer 2 or Lay 3. If your VLANs are trunked all over your premises, then the voice VLAN can ...