Definition of OSP
OSP (Open Settlement Protocol) is a client/server protocol that Internet service providers use to exchange authorization, accounting, and usage information to support IP telephony. OSP provides a way for ISPs to support billing for voice and fax over IP services.
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OSP
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What is OSP?
The Open Settlement Protocol (OSP) is the international standard for Inter-Domain pricing, authorization and usage exchange of IP communications. The OSP standard is defined by TIPHON Working Group 3 of the European Telecommunications Standards Institute (ETSI) www.etsi.org. The OSP standard is officially known as ETSI Technical Specification 101 321.
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Leveraging Standards for Low Investment, High Returns
Out of the box clearinghouse billing system uses OSP to capture new VoIP traffic, provide low cost termination, and generate new revenue streams.
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Open Settlements Protocol and Cisco Questions and Answers
The protocol specifies a method for an originating gateway at a subscriber carrier to request a termination point from the OSP server at the clearinghouse organization. The OSP server provides a secure token-based signature to certify to a terminating gateway that the call has been authorized and will be settled. The OSP server provides a secure link between the gateways and server to transfer accounting and routing information. The OSP protocol does not specify the method by which routes are selected by the route server, a function of the OSP server. OSP-based clearinghouses provide least cost and best route selection algorithms based on a variety of parameters their subscriber carriers provide, including cost, quality, and specific carrier preferences.
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Open Settlements Protocol (OSP) Clearinghouse Solution and Cisco
Cisco VoIP gateways and clearinghouse solutions offer an alternative. By taking advantage of Open Settlements Protocol (OSP) support in Cisco devices, packet telephony service providers can employ reliable third parties to handle VoIP call termination while leveraging the bandwidth efficiencies and tariff arbitrage advantages that are inherent in IP.
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OSP Settles The Score On Internet Telephony Billing Practices
OSP is a protocol specification that allows the exchange of all the information necessary to rate, reconcile, and bill an Internet telephony call. OSP permits two different service providers to exchange information securely regarding the details of a telephone call that traverses both of their networks.
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