can I user cm500v for voice only and cm1000 for my internet/cable on the same network the same time?

[cruss222]

i got a cm1000 cable modem and i want to add voice to my network and  i dont want to buy a new modem coz i just bought cm1000 like 2 months ago...i needed to get a modem with voice which i saw the cm500v...can i use 2 modems flawlessly on the same netork...one for voice and one for internet/cable? need someones opinion or idea for my dilema.   thanks

[vkdelta]

Is your ISP comcast? 

in most cases Comcast split voice and data on 2 seperate modems but make sure to confirm with them.