Phone Lines

We have a old phone system with some old phones i would like to upgrade the phones
can i just go out to staples and purchase 2 line phones with a rollover ?

If you hard wire to each station those 2 lines then sure you can…they wont plug n play with your “phone system” though.

I had a buddy is this in his shop. http://www.amazon.com/dp/B000F8THGK/ref=asc_df_B000F8THGK2053783?smid=ATVPDKIKX0DER&tag=hyprod-20&linkCode=asn&creative=395093&creativeASIN=B000F8THGK&hvpos=1o2&hvexid=&hvnetw=g&hvrand=13099799231858666455&hvpone=&hvptwo=&hvqmt=