A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
VoIP Gateway Cisco SPA8000 – is a perfect solution as for communication operators as well as for VoIP telephony providers and any business using VoIP telephony with SIP protocol. Despite the fact the SPA8000 has 8 configurable SIP lines, in reality this device can support up to 16 active calls and possibility of a 3way conference. And pre-installed, by Cisco, services allow you to broaden and improve the possibilities of you regular analog phones and other communication tools, such as cordless phones or fax machines.