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Contact supportSend a support request to the right C9 team.
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Start reviewBook a consultationTalk through a new site, migration or managed service need.
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View policyComplaints handlingUnderstand how C9 receives and manages complaints.
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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 guideFast and secure business internetWhat matters beyond advertised download speed.
Open guideSetting up ad on-holdUse on-hold messaging to improve caller experience.
Open guideC9 cloud phone systemHosted PBX features, migration and management.
Open guideNew office setup checklistPlan a new site or relocation without avoidable downtime.
Open guideHelpdesk and engineering supportSupport coverage for users, devices and escalation.
Open guideCyber security servicesManaged security, monitoring and practical uplift.
Open guideCompliance and governanceSecurity governance, Essential Eight and risk alignment.
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Get supportComplaints handlingUnderstand how C9 receives and manages complaints.
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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.
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Use the support form for active service issues, or book a consultation for new services, migrations and site planning.