The Primary Rate Interface (PRI) is a telecommunications interface standard used on an Integrated Services Digital Network (ISDN) for carrying multiple DS0 voice and data transmissions between the network and a user.
A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls instead of incurring charges to the originating telephone subscriber. For the calling party, a call to a toll-free number from a landline is free of charge.
Track employee productivity and monitor phone and fax interactions with call logs. Admins can easily view call logs by individual or department, and gain insights into all inbound and outbound calls. For example, view the name of a caller, number or extension—as well as time, date, and duration—of any particular call.
A cloud service is any service made available to users on demand via the Internet from a cloud computing provider's servers as opposed to being provided from a company's own on-premises servers.
SIP Trunking uses Internet Protocol (IP) to enable organizations to place telephone calls through the Public Switched Telephone Network (PSTN). SIP trunking technology requires either an Internet connection, or a VoIP vendor, an IP-enabled PBX, and a border element or gateway to support IP-based voice communications. Using SIP, voice becomes an application on the IP Network... like email or web is an application.