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.
Quintum Tenor VoIP MultiPath Switch DX2030 allows you to reap benefits from the technology of IP-telephony (VoIP). One Tenor DX2030 solution integrates a gateway, a gatekeeper, and intelligent call routing technology, and supports quality of service (QoS).