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Help & support

Explore our wide range of resources, including billing help, pricing updates, orders and faults help, technical handbooks, customer service plans and best practice guides.

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

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

    Provisioning issues:

  • 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 appointment 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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