Critical Information Summaries
Critical Information Summaries (CIS) provide a clear overview of key details for Lightning IP services — including pricing, inclusions, typical speeds (where applicable), equipment requirements, and important terms. Each CIS can be read online or downloaded as a PDF.
How to use this page
Search for a plan name, filter by service type, then choose Preview, Read online, View PDF or Download.
What is a Critical Information Summary?
A CIS is a plain-English summary of the most important information about a telecommunications service. It's designed to help you understand key pricing and terms before you sign up.
Tip: Typically includes: service description, minimum monthly cost, typical speeds (internet), equipment requirements, contract terms, cancellation/change conditions, and support pathways.
Library
Internet
Critical information summaries for Lightning IP internet services.
- nbnResidentialSmall business
Home & Small Office Internet
nbn internet plans designed for households and small offices.
Last updated 27 Sept 2026 • Web document
Phone and voice
Critical information summaries for hosted phone systems and IP voice services.
- Hosted voiceBusiness
Hosted Business Voice
Hosted phone systems for business, priced per extension.
Last updated 27 Sept 2026 • Web document
Need help understanding a CIS?
If you're unsure which service is right, or you'd like help interpreting speeds, inclusions, or terms, our local team can explain the details in plain language.
Good to know
A CIS is a summary. Full terms and policies are available in our policies and legal documents section.
Critical Information Summary frequently asked questions
They're designed to help customers understand key information about a service in a clear, consistent format before signing up. The Telecommunications Consumer Protections Code requires every telco to publish one for each current plan.
A CIS is a summary. Your agreement with us is made up of our Standard Form of Agreement and the policies in our policies and legal documents section; where they differ, those documents apply.
Whenever pricing, inclusions or key terms change. Each version shows the date it took effect, and superseded versions are kept in our archive for customers still on those plans.
The one for the plan family you're considering, for example Home & Small Office Internet for nbn home plans. If you're not sure, contact us and we'll point you to the right one.
Related support links
Quick shortcuts to the most common support destinations.
Accessibility note
CIS documents are provided online and as PDFs. If you need a different format, contact our team and we'll help.
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