I recommend checking the following site...
www.voip-info.org
Lots of info for you there...
By VoIP phones, I think you are meaning soft phones which are software
based.
You will need a headset for the PC that runs the software phone.
Usually Logitech or Plantronics at about $50 a headset.
If
ishtiaq ahmed wrote:
hy all
i need a suggesion on what hardware should i use for
the following case study
i have five offices each will be having 35 to 45
extensions. if i will be using voip fones for those
extensions( either it is iax or sip ) which one will
be better and cheaper what