this post will walk you through configuring a Cisco Router to serve as a DHCP server for client

I Define two pool one for Data and name it CCIEROOTDATA and second pool for IP Phone Name CCIEROOTVOIP

we define the dhcp pool by the command:
IP DHCP Pool “name”
then define the Network Subnet by Network command
third  Default router which is their Gateway and last is the DNS
for voice we add extra command “option 150” which is the IP Phone TFTP
in our case its also the Publisher IP Address 192.168.200.10

Then Configure Different VLAN for DATA and VOIP on our CORE Switch

Third we configure two Virtual interface for Each VLAN

Last Configure the Access Port that connect to the User PC & IP Phone

Now Confirm the PC took the Correct IP Address from the Correct VLAN 3000

and IP Phone DX650 took the correct VLAN 3001

and the TFTP Configuration Showing Correctly

The IP Phone Took the Correct IP Address Configuration

and this is the steps to configure DHCP in IOS