Open Settlement Protocol Last modified: Friday, May 19, 2006
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.
•E-mail this definition to a colleague• For internet.com pages about Open Settlement Protocol . Also check out the following links! ETSI TIPHON Telecommunications and Internet Protocol Harmonization Over Networks European Telecommunications Standards Institute (ETSI) Home page of the European Telecommunications Standards Institute (ETSI). Look here to find out current standardization projects, ETSI publications, papers on the challenges of standardization, and other resources.	Internet Protocols Internet Telephony Telecommunications client/server IP telephony PKI protocol standard telecommunications VoIP Give Us Your Feedback Shopping open protocol Products Compare Products,Prices and Stores Shop by Category: Networking Hubs and Switches 40 Model Matches