Managed Microsoft Teams Calling
Move Your Business Calling Into Teams — Safely & Seamlessly.
Transitioning to Teams Calling shouldn't be a business risk. C9 manages the full migration lifecycle — from number porting and call flow configuration to user onboarding and ongoing support. Modernise your voice environment without operational disruption.
Carrier-Grade Voice
Managed Migration
SLA-Backed Support
Businesses That Trust Us
Operational Excellence
What C9 Operationally Manages.
We don't just provide the license. We own the environment. C9 handles the technical complexity so your team can focus on communication, not troubleshooting.
Number Porting
Expert management of business number transitions to ensure zero downtime during cut-over.
Call Queues
Strategic configuration of call distribution to optimise customer service and response times.
Auto Attendants
Professional IVR and routing design to ensure every caller reaches the right department.
Teams Voice Policies
Custom governance and permissions to control how your business communicates.
Remote & Mobile Calling
Enabling secure business voice across any device. Improve hybrid calling outcomes.
Desk Phone Integration
Certified hardware deployment and management for office environments.
User Onboarding
Structured training and support to ensure high adoption and user confidence.
Ongoing Support
Direct access to Australian engineers for escalation and system management.
"Safe migration is a requirement, not a feature. We move business numbers and workflows with zero tolerance for downtime."
Overcoming Migration Fear
Why Businesses Hesitate (And How We Solve It).
Old PBX Frustrations
Moving away from rigid legacy hardware to a flexible cloud environment without losing core features.
Disconnected Remote Users
Unifying mobile and office staff into a single, high-quality voice ecosystem.
Poor Teams Voice Quality
Optimising network paths and carrier connections to guarantee crystal-clear calling.
Number Porting Anxiety
Managed porting processes that ensure you never lose contact with your customers.
The Migration Framework
A Controlled Journey to Modern Voice.
We remove the biggest objection: the fear of change. Our battle-tested framework ensures a safe transition for enterprise voice.
PHASE 01: ASSESSMENT
Audit & Network Readiness.
We conduct a rigorous audit of your current call flows, hardware requirements, and network capabilities. Understanding your environment is the first step in preventing disruption.
- Network bandwidth & latency testing
- Device & hardware compatibility audit
- Call flow & IVR mapping
- Number porting eligibility check
PHASE 02: PLANNING
Custom Logic & Contingency.
We design your Teams Voice policies and routing logic to match your operational needs. Every migration includes a strict contingency plan to protect your customer continuity.
Safety First Strategy
Zero-downtime engineering ensures your existing system remains active until the new environment is fully validated.
PHASE 03: ROLLOUT
Managed Cut-Over.
Our engineers manage the precise number migration and cut-over process. We handle the heavy lifting, ensuring your numbers land correctly in Teams with zero communication blackouts.
100%
Porting Success
ZERO
Service Gaps
Accountable Engineering
Ongoing Support, Not Just Implementation.
C9 provides a single point of truth for your voice environment. We own the escalation, the management, and the uptime — so you never have to deal with Microsoft support directly.
Escalation Ownership
We manage the carrier and Microsoft escalation path for you.
Network Optimisation
End-to-end path testing to ensure call quality and reliability.
Australian Support
Direct access to our local engineering team for all voice issues.
Direct Peering
High-performance voice transit for crystal clear audio quality.
SUCCESSFUL MIGRATIONS
Proven Operational Impact
Successful Teams Migrations500+
Remote Users Enabled10,000+
Avg. Implementation Time2 Weeks
Support Resolution Rate98.4%
"C9 took the complexity out of our move to Teams. We didn't lose a single call during the transition, and the ongoing support has been second to none."
Operations Director
Australian Logistics Firm
Ready to Modernise?
Modernise Business Calling With Managed Teams Voice.
C9 helps Australian businesses migrate, configure, support, and manage Microsoft Teams Calling environments with minimal disruption and full operational accountability.
Microsoft Solutions Partner
Carrier-Grade Core
99.99% Uptime SLA
24/7 Managed Support
C9GROUP
Teams Calling Is One Piece. Here's the Full Stack.
Most businesses that move to Teams Calling also consolidate their broader communication infrastructure. These are the services that complete the picture.
Common Questions
Frequently Asked Questions
No. We are not a fit if you only require break-fix IT support, if you are not ready to consolidate multiple vendors, or if you expect advisory-only services without operational change.
Why leaders trust C9GROUP
"We used to spend hours chasing different providers whenever a store lost connectivity. Now we call one team, they understand the full environment, and they own the issue through to resolution."
Operations Manager
National Retail Group
OneAccountable Team
"Our clinicians cannot wait for technology problems to be passed between vendors. C9 stabilised the network, improved visibility across our clinics, and gave our team a clear escalation path."
Practice Manager
Multi-site Healthcare Group
12Clinics Supported
"The biggest change is visibility. We can see what is happening across sites, understand recurring issues, and make infrastructure decisions before they become operational problems."
IT Director
National Distribution Business
24/7Active Monitoring
"C9 replaced a collection of disconnected suppliers with one practical technology roadmap. Support is faster, responsibilities are clear, and our leadership team finally has confidence in the plan."
Managing Director
Professional Services Firm
OneTechnology Roadmap
"Reliable warehouse connectivity is business-critical for us. C9 redesigned the network around how our teams actually work, removed the dead zones, and now proactively manages performance."
Operations Director
Logistics & Warehousing Group
ZeroKnown Dead Zones
"The commercial value is not just lower supplier overhead. We now have predictable costs, clearer reporting, and a partner who explains where investment will make the biggest operational difference."
Finance Manager
Growing Australian Business
ClearMonthly Reporting
"We used to spend hours chasing different providers whenever a store lost connectivity. Now we call one team, they understand the full environment, and they own the issue through to resolution."
Operations Manager
National Retail Group
OneAccountable Team
"Our clinicians cannot wait for technology problems to be passed between vendors. C9 stabilised the network, improved visibility across our clinics, and gave our team a clear escalation path."
Practice Manager
Multi-site Healthcare Group
12Clinics Supported
"The biggest change is visibility. We can see what is happening across sites, understand recurring issues, and make infrastructure decisions before they become operational problems."
IT Director
National Distribution Business
24/7Active Monitoring
"C9 replaced a collection of disconnected suppliers with one practical technology roadmap. Support is faster, responsibilities are clear, and our leadership team finally has confidence in the plan."
Managing Director
Professional Services Firm
OneTechnology Roadmap
"Reliable warehouse connectivity is business-critical for us. C9 redesigned the network around how our teams actually work, removed the dead zones, and now proactively manages performance."
Operations Director
Logistics & Warehousing Group
ZeroKnown Dead Zones
"The commercial value is not just lower supplier overhead. We now have predictable costs, clearer reporting, and a partner who explains where investment will make the biggest operational difference."
Finance Manager
Growing Australian Business
ClearMonthly Reporting
"We used to spend hours chasing different providers whenever a store lost connectivity. Now we call one team, they understand the full environment, and they own the issue through to resolution."
Operations Manager
National Retail Group
OneAccountable Team
"Our clinicians cannot wait for technology problems to be passed between vendors. C9 stabilised the network, improved visibility across our clinics, and gave our team a clear escalation path."
Practice Manager
Multi-site Healthcare Group
12Clinics Supported
"The biggest change is visibility. We can see what is happening across sites, understand recurring issues, and make infrastructure decisions before they become operational problems."
IT Director
National Distribution Business
24/7Active Monitoring
"C9 replaced a collection of disconnected suppliers with one practical technology roadmap. Support is faster, responsibilities are clear, and our leadership team finally has confidence in the plan."
Managing Director
Professional Services Firm
OneTechnology Roadmap
"Reliable warehouse connectivity is business-critical for us. C9 redesigned the network around how our teams actually work, removed the dead zones, and now proactively manages performance."
Operations Director
Logistics & Warehousing Group
ZeroKnown Dead Zones
"The commercial value is not just lower supplier overhead. We now have predictable costs, clearer reporting, and a partner who explains where investment will make the biggest operational difference."
Finance Manager
Growing Australian Business
ClearMonthly Reporting
TEAMS CALLING CONTINUITY
Talk to C9 About Teams Calling Built for Business Continuity.
Interested in moving your telephony to Microsoft Teams safely? Our specialists provide seamless migration and accountable engineering support.
Call us today: 1800 000 299
WHAT HAPPENS AFTER YOU SUBMIT
1. A real Australian calls you
Not a call centre. Not a script. Someone who actually knows IT.
2. We review your current gaps
We show you exactly where your infrastructure is exposed.
3. You get a clear roadmap
Plain English. Exact pricing. No lock-in or pressure.
Request Teams Calling Proposal
Select your preferred engagement path below.