Found: 2
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Patent for usage-based billing of IP-based video calls.
- Published in:
- Journal of Intellectual Property Rights, 2010, v. 15, n. 2, p. 174
- Publication type:
- Article
Video operator services.
- Published in:
- Journal of Intellectual Property Rights, 2007, v. 12, n. 3, p. 380
- Publication type:
- Article