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20C Voice Order Management FAQs

Find useful FAQS to help you with 20C Voice order enquiries.

  • If your question is about provision of a PSTN / ISDN / Featureline or ISDN30 circuit you can email us / use the eChat portal or call us on 0800 328 351

  • You can contact our team directly using the address below:

    Provisioning issues: gatprov@bt.com

  • If you're customer advises they are not available and need to re-arrange you need to eChat into the team to avoid any delay and possible missed appt charges being raised.

  • You'll find more information about our PSTN service on our Voice Services PSTN page.

  • Faults : 0800 7316993

    ISDN30 faults: 0800 7316968

  • Please refer to the Customer Service Plan (CSP) on PSTN Page.

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