So de trucada sortint (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "So de trucada sortint" in Catalan language version.

refsWebsite

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4web.archive.org

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1juniperresearch.com

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airtel.in

«Airtel Hello Tunes».

eircom.net

homepage.eircom.net

O’Keeffe, Pat. «Irish PSTN Network Characteristics (historical 1990s page)». www.eircomlab.com. Telecom Éireann Research and Test Lab, 1997. [Consulta: 24 octubre 2021].

gomonews.com

Tony Dennis. «Adfortel launches mobile advertising service with Yesss!». gomonews.com. Arxivat de l'original el 2011-11-07.

google.cat

patents.google.cat

«Method, communication device and computer-readable media for conveying an audio element to a user of a communication device during an outgoing call» (en anglès). [Consulta: 5 desembre 2021].^{[Enllaç no actiu]}

juniperresearch.com

John Levett. «Press Release: Ringback Tone Advertising to Hit $780 million annually by 2015 as Consumers Chase Free Airtime, says Juniper Research», 18-01-2011. Arxivat de l'original el 2012-04-25. [Consulta: 9 novembre 2011].

justia.com

patents.justia.com

«US Patent for Telephone marketing system Patent (Patent # 5,321,740 issued June 14, 1994) - Justia Patents Search». [Consulta: 5 desembre 2021].

lonestar.org

nemesis.lonestar.org

«International Telephone Ring-Back Signaling Reference». lonestar.org.

pib.nic.in

«Press Information Bureau». pib.nic.in. Arxivat de l'original el 5 setembre 2012.

termcat.cat

«Cercaterm | TERMCAT». [Consulta: 5 desembre 2021].

vice.com

«Remember When You Called Someone and Heard a Song?» (en anglès). [Consulta: 5 desembre 2021].

vodafone.in

«Listen & Set up Callertunes from Vodafone India». www.vodafone.in. Arxivat de l'original el 4 abril 2012.

web.archive.org

«Press Information Bureau». pib.nic.in. Arxivat de l'original el 5 setembre 2012.
«Listen & Set up Callertunes from Vodafone India». www.vodafone.in. Arxivat de l'original el 4 abril 2012.
Tony Dennis. «Adfortel launches mobile advertising service with Yesss!». gomonews.com. Arxivat de l'original el 2011-11-07.
John Levett. «Press Release: Ringback Tone Advertising to Hit $780 million annually by 2015 as Consumers Chase Free Airtime, says Juniper Research», 18-01-2011. Arxivat de l'original el 2012-04-25. [Consulta: 9 novembre 2011].