IP-phone or office PBX
You can use Zadarma services on any standard VoIP hardware working by SIP. This includes and IP phone, which looks like a landline phone or an IP gateway with ports to connect standard phones or PBX.
SIP devices are connected directly to the Internet network and allow you to call to any city in the world, as easy as with a landline phone, but at lower rates.
Setup instructions for VoIP hardware
To start using Zadarma services, register and log in to your personal account.Register