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Everything Your Business Relies On.Managed As One.

Managed IT, communications, security, Remote Workforce support, AI and Digital Signages delivered under one accountable C9 team.

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CAPABILITIES

  • Managed Services
  • Communications
  • Security
  • Remote Workforce
  • AI & AutomationNew
  • Digital Signages

CORE SOLUTIONS

  • Managed IT
  • Business nbn™
  • Fast Fibre
  • Teams Calling
  • Phone Systems
  • Essential 8
  • AI Voice AgentsNew
  • Digital Signages

INDUSTRIES

  • Retail
  • Healthcare
  • Professional Services
  • Logistics
  • Education
  • Multi-Site Organisations

COMPANY

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  • Why C9
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  • Contact Us

RESOURCES

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  • Help Centre
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QUICK LINKS

  • Book Consultation
  • Get Assessment
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  • Partner Enquiries

Headquarters

Level 3, 480 Collins Street
Melbourne VIC 3000

Direct Contact

1800 000 299

Email

Sales@c9group.com.au
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Managed IT • Communications • Security • Remote Workforce • AI • Digital Signages

We acknowledge the original communicators, connectors, and carers of the land and waters across Australia, the Aboriginal and Torres Strait Islander peoples. We pay our respects to Elders past, present, and emerging.

Great service changes everything.

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Still need help
Contact supportSend a support request to the right C9 team.
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Check business connectivityReview internet, fibre and voice options for a site.
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Book a consultationTalk through a new site, migration or managed service need.
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Billing and hardshipFind financial hardship and account support information.
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Complaints handlingUnderstand how C9 receives and manages complaints.
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Terms and policiesAccess service terms, privacy and legal documents.
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Popular topics

Common support starting points.

Start here for the issues businesses usually need to solve first.

What is my service class?Understand nbn™ service classes and what they mean for connection readiness.
Open guide
Fast and secure business internetWhat matters beyond advertised download speed.
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Setting up ad on-holdUse on-hold messaging to improve caller experience.
Open guide
C9 cloud phone systemHosted PBX features, migration and management.
Open guide
New office setup checklistPlan a new site or relocation without avoidable downtime.
Open guide
Helpdesk and engineering supportSupport coverage for users, devices and escalation.
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Cyber security servicesManaged security, monitoring and practical uplift.
Open guide
Compliance and governanceSecurity governance, Essential Eight and risk alignment.
Open guide
Contact supportSend a support request to the right C9 team.
Get support
Complaints handlingUnderstand how C9 receives and manages complaints.
Read process
Browse by category

Find help by service area.

Internet and connectivity

Business nbn™, fibre, failover, routing and WiFi guidance.

What is my service class?Understand nbn™ service classes and what they mean for connection readiness.Fast and secure business internetWhat matters beyond advertised download speed.Improving and securing business WiFiCoverage, roaming, segmentation and wireless management.Business nbn™ servicesBusiness-grade nbn™ options for Australian sites.Routers and managed network hardwareRouters, access points and resilient edge setup.
Explore internet and connectivity

Voice and phone systems

Hosted PBX, Teams Calling, inbound numbers and call flow help.

Setting up ad on-holdUse on-hold messaging to improve caller experience.C9 cloud phone systemHosted PBX features, migration and management.Microsoft Teams CallingMove business calling into Microsoft Teams.Inbound and 1300 servicesInbound number routing, reporting and continuity.
Explore voice and phone systems

Managed IT support

Helpdesk, infrastructure, onboarding and site readiness.

New office setup checklistPlan a new site or relocation without avoidable downtime.Helpdesk and engineering supportSupport coverage for users, devices and escalation.Infrastructure governanceServer, cloud, network and lifecycle management.Business continuityBackup, recovery and outage planning for critical systems.
Explore managed it support

Security and compliance

Cybersecurity, Essential Eight, privacy and trust resources.

Cyber security servicesManaged security, monitoring and practical uplift.Compliance and governanceSecurity governance, Essential Eight and risk alignment.Trust centreHow C9 approaches resilience, privacy and assurance.Privacy policyHow C9 handles personal information.
Explore security and compliance
Need a human?

Tell us what is happening and we will route it properly.

Use the support form for active service issues, or book a consultation for new services, migrations and site planning.

Contact C9 supportRequest telco health checkBrowse frequently asked questions