• Pfizer

  • SIRIUS Support Contacts

    Principal Investigators can call the Pfizer EDC helpdesk phone number: +1-877-433-2619

    This is toll-free number in US and Canada. To dial free of charge outside the US and Canada users should dial the AT&T Direct Access Country Code number, available at  http://www.business.att.com/bt/dial_guide.jsp and follow instructions.

    Example – How to dial free of charge from Italy:

    • Select the PI country in the “Select the country you are dialing from” box. Leave “Unites States” in the “Select the country you are dialing to” box. Then click “Submit”.


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    • Identify the AT&T Direct access number returned: in order to dial from Italy the PI should dial 800 172 444 . Once prompted from the automatic operator, they should dial 877 – 433-2619 followed by the pound sign (#) to get connected to Support.

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