NDLI: SIP extensions to support (micro)payments

Content Provider	IEEE Xplore Digital Library
Author	Ruiz-Martinez, A. Sanchez-Laguna, J.A. Gomez-Skarmeta, A.F.
Copyright Year	2007
Description	Author affiliation: Dept. of Inf. & Commun. Eng., Univ. of Murcia, Murcia (Ruiz-Martinez, A.)
Abstract	SIP is a protocol designed to create and manage multimedia sessions such as telephone calls over the Internet, distributed conferences, or, in general, every kind of communication between two or more peers. The introduction of payment in SIP is an interesting idea in order to charge for this media services. This payment services have been proposed in several scenarios such as charging for accessing to services, microbilling or as a solution to SPAM in VoIP systems. In this context, there is a proposal for making payments on SIP that is based on SAML. However, this proposal is not good enough to make low payments or micropayments because involves that the payment service provider participates in every payment. This implies that the transaction costs are high and therefore it is not suitable for this kind of payments. Additionally, this proposal only deals with the scenario in which the payment covers the whole session. Finally, this proposal does not take into account that streams with different quality could be used in the session, and therefore the amount to pay could be different. In response to these limitations we propose a new extension for supporting payments on SIP which, being payment-independent protocol, solves interoperability problems and links payment information to requests. For this purpose, we have extended both SDP and SIP to facilitate the access to SIP services based on payment. The extension supports an offer/answer model that allows the choice of the quality of the streams as well as the payment method to use. Furthermore, it is extensible and not only supports payment but also more complex business models such as loyalty models, credentials and subscriptions. Thus, we facilitate the incorporation of new payment methods and business models in the vendor's software. This paper describes this extension as well as some scenarios where it can be applied.
Sponsorship	IEEE Tech. Comm. Distributed Process. Nokia
Starting Page	289
Ending Page	296
File Size	372786
Page Count	8
File Format	PDF
ISBN	0769528465
ISSN	1550445X
DOI	10.1109/AINA.2007.128
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Subscriptions Proposals Design engineering Access protocols Conference management Engineering management Internet telephony Unsolicited electronic mail Costs Middleware
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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