| http://www.w3.org/ns/prov#value | - Patent US7813332 - Voice call alternative routing through PSTN and internet networks - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThe advanced intelligent network (AIN) to determine routing of voice calls alternatively between the public switched telephone network (PSTN) and a data packet network, such as the Internet, in accordance wi
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