Open Settlement Protocol


Open Settlement Protocol (OSP) is the European Telecommunications Standards Institute (ESTI) Technical Specification 101 321 for Inter-Domain pricing, authorization and usage exchange. Is a client/server protocol that Internet Service Providers use to exchange authorization, accounting, and usage information to support IP telephony. The OSP protocol is often used with Public Key Infrastructure (PKI) services to implement secure, multi-lateral VoIP peering on non-secure networks, such as the Internet.

Read Also:

  • Open Source Initiative

    Abbreviated OSI, a non-profit organization that promotes the integrity of the open source definition by certifying products with the OSI Certified Open Source Software mark. OSI is comprised of board members who make up its directorship and is not a membership organization.

  • Open Text

    A popular Internet search engine developed by Open Text Corporation. Though not the most complete Web index, Open Text is considered by many to be the most sophisticated because it provides powerful ways to fine-tune a query. Open Text Corporation licenses its search engine software as a product called LiveLink.

  • Opera

    A Web browser developed in 1994 by Norwegian company Telenor. Opera is boasted as being the speediest and most standards-compliant of the current browsers in use, supporting such standards as 128-bit encryption, SSL2 and 3, CSS1, partial CSS2, XML, HTML and JavaScript. Opera is available for use with the BeOS, EPOC, Linux, Symbian, OS/2, Windows […]

  • Opteron

    A brand of AMD processors designed for both servers and workstations. The AMD Opteron processor enables simultaneous 32-bit and 64-bit computing.

  • OLEC

    Short for Optical Local Exchange Carrier, a telephone company that uses a fiber-optic system as opposed to traditional passive, twisted-pair copper wires to connect equipment at the customer premises to carrier facilities. Optical access increases access-network bandwidth by up to several gigabits per second, which is an important development in data communication services. The copper […]


Disclaimer: Open Settlement Protocol definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.