Microsoft Teams
Chat, calling, meetings, and shared files in one secure Microsoft experience.
- - Persistent team chat
- - HD video meetings
- - File collaboration in channels
Unified Communications
One unified system. From desk phone to Teams chat.
Your team shouldn't juggle three different apps to communicate. C9 delivers unified voice, video, and chat, fully integrated into Microsoft Teams or our tailored C9 Voice platform.
100% Australian SupportYealink Certified Engineers
Your communication stack, managed end-to-end
C9 combines collaboration, voice, hardware, and mobility into one platform your team can adopt quickly.
Cloud Voice
Choose C9 Voice or Teams Calling with Australian-grade call quality and support.
- - Inbound and outbound calling
- - Auto-attendant and queues
- - Local number porting
Desk Phones
Yealink certified hardware configured and supported by C9 engineers.
- - T5 business desk phones
- - Native Teams and SIP support
- - Remote provisioning
Mobile Integration
One business number across desk phone, laptop, and mobile app.
- - Simultaneous ring
- - Call handoff between devices
- - Work SMS and voicemail sync
Built for greenfield, Small Business, and enterprise teams
Whether you are launching from scratch or replacing legacy systems, we design communications around operational outcomes.
Office + remote workforce
Hybrid Team
Keep office desks, remote staff, and mobile users connected on one number with simultaneous ring and shared presence.
- - No missed calls
- - Consistent caller experience
- - Faster internal handoff
Teams Rooms across 3 locations
Meeting Room Collaboration
Standardise room systems so every site joins meetings the same way, with one-touch join and central device management.
- - Reduced meeting delays
- - Consistent AV experience
- - Centralised room support
Auto-attendant + smart distribution
Customer Support Queue
Route customer calls to the right team with queue logic, time-of-day handling, and visibility into response performance.
- - Improved answer rates
- - Balanced team load
- - Better customer wait times
Teams Calling vs C9 Voice
Both paths can deliver modern calling. We recommend the right fit based on workflow complexity, support expectations, and growth plans.
Comparison area
Teams Calling
C9 Voice
Best for
Microsoft-first businesses already living in Teams
Businesses needing flexible telephony and advanced queue controls
Pricing model
Per-user licensing with Microsoft calling add-ons
Per-user and call-flow bundles optimised by C9
CRM integration
Available via Microsoft ecosystem and supported connectors
Built for broad CRM integrations with tailored call workflows
Hardware support
Teams-certified desk phones and room systems
Yealink SIP and multi-vendor endpoints with custom provisioning
Feature depth
Strong Teams-native calling, meetings, and collaboration
Advanced queueing, routing, reporting, and multi-site controls
Hardware Ecosystem
Yealink hardware options
Over 40 standard certified models designed to give your staff and customers the best possible australian calling experience.
SIP-T54W
Premium desk phone with HD audio and busy lamp support for power users.
Details
SIP-T57W
Premium desk phone with HD audio and busy lamp support for power users.
Details
MP56 Teams Edition
Premium desk phone with HD audio and busy lamp support for power users.
Details
Yealink T5 desk phones for power users and front desks
// FIT:Best for fixed desks, executives, and reception roles.
Migration process
Our rollout framework reduces disruption and gives your team confidence before go-live.
Step 1
Audit current PBX
Review numbers, call flows, hardware, and pain points across sites before design.
Step 2
Design cloud architecture
Map Teams or C9 Voice architecture, queue logic, licensing, and hardware rollout plan.
Step 3
Parallel running (optional)
Operate old and new systems side-by-side to de-risk migration for business-critical teams.
Step 4
Cutover and go-live
Port numbers, activate users, validate routing, and provide local onboarding support.
Unify your team's communication. Australian support included.
Move to a communication platform that scales from startup growth to enterprise multi-site operations, backed by local specialists.
The Small Business Protocol
The C9 Managed
Voice Takeover.
Transitioning legacy PBX systems shouldn't be a risk. We utilize a structured takeover protocol to audit, secure, and port your numbers into one unified cloud platform.
Comms Audit & Recovery
Full map of existing call flows and number registration.
Cloud Unification
Bridging disparate voice systems into a single Teams or C9 Voice pane.
SLA-Backed Support
Transitioning support to C9's 24/7 Australian operations.
The Greenfield Guarantee
Operational
Day One Voice.
For new sites, communications are mandatory from the first hour. We guarantee fully-operational, high-fidelity voice and chat on your first day of operation.
Guaranteed Call Uptime
QoS Network Calibrated
Full Staff Readiness
Comms Protocol 3.8 • Managed Voice Ops
Looking to switch providers?
Our AU-managed experts are ready to design your solution.