Calling in Teams
Use supported Teams clients and devices for external business calls when the required services and licences are in place.
Communications · Designed around your business
Your business calls.
Inside Microsoft Teams.
Connect Teams Phone to external business calling, with numbers, routing and carrier services planned around the way your team answers.
Scope agreed around your business · One point of contact
Teams usersSupported apps and devices
Microsoft Direct Routing, explained
What is Microsoft Direct Routing?
A familiar place to work.
A considered route for calling.
Direct Routing connects Microsoft Teams Phone to a telephony provider through a supported, Microsoft-certified Session Border Controller (SBC). It provides a route for calls to and from ordinary telephone numbers.
Radian helps bring the Microsoft licences, carrier service, numbers and call handling into one plan. A managed SBC arrangement can be considered so your business does not have to operate that component itself.
See the bigger picture →Built around the work you do
A clearer calling experience.
A complete service plan.
The features that matter, with the practical details made clear.
Your business numbers
Review number-transfer eligibility and dependencies before scheduling a move. Keep existing services active until the change is coordinated.
Managed carrier connection
Agree the SBC and telephony service arrangements, including support responsibilities across the Microsoft and carrier components.
Call handling
Plan welcome menus, queues and routing around your teams. Recording and contact-centre functions need separate compatibility and licensing checks.
Hybrid working
Include office, remote and mobile working in the design, with suitable connectivity, headsets and supported devices.
Transparent commercial terms
Compare subscriptions, number charges, usage, destinations and contract terms together. Any allowances are confirmed in your quote.
Service availability, equipment, features, licences and support scope are confirmed in your proposal. Optional services are priced and agreed separately.
The picture, made clearer
The picture,
made clearer.
Simplified Direct Routing call path. The SBC may be supplied as a managed service. Media routing and resilience depend on the agreed design.
Teams usersSupported apps and devices
Teams PhoneMicrosoft calling capability
Certified SBCManaged voice interconnection
Telephony providerPublic telephone network
Illustrative design. Actual routing, supported equipment and features depend on the selected service and agreed configuration.
Make an informed choice
Choose the setup around your work.
Microsoft subscriptions
Check Teams access and Teams Phone entitlement for the required users. Resource accounts, shared devices and specialist features can have additional requirements.
Numbers & policies
List published numbers, users, opening hours and destinations. Confirm international calling, caller ID and emergency-calling arrangements.
The delivery model
Direct Routing, Operator Connect and Microsoft Calling Plans are distinct connectivity options. We confirm which model is being proposed.
The practical details
Make the changeover
work for your callers.
A successful move considers what customers hear and how staff answer, alongside the connection behind Teams.
Plan your setup ↗Start with the call journey
Agree menus, queues, voicemail and overflow routes before configuring the service.
Test representative calls
Check inbound, outbound, transfers and supported devices, including important destinations.
Plan continuity
Review connectivity, power, platform dependencies and any supported diversion route.
From enquiry to everyday use
A clearer path, with Radian.
- 01
Map
Review users, numbers, sites and current call flows.
- 02
Specify
Confirm licences, SBC, carrier service and routing policies.
- 03
Validate
Prepare users and test representative calling scenarios.
- 04
Change over
Coordinate transfers, handover and ongoing support.
A little more clarity
Microsoft Direct Routing,
answered.
Have a question about your setup?
Tell us what you want to achieve.
Does a normal Teams account include phone calls?
External telephone calling requires the appropriate Teams Phone entitlement and a PSTN connection service. We check the complete licensing and service combination.
Is Direct Routing the same as Operator Connect?
No. They are separate models for connecting Teams Phone to the telephone network. Your proposal should identify the model and responsibilities clearly.
Do we have to buy an SBC?
Not necessarily. A managed SBC service may be available. We confirm the equipment or hosted components, charges and support included in the design.
Can we retain existing numbers?
Transfers depend on number eligibility, location and providers. We review the details and coordinate timing before cancellation.
Are recording and contact-centre features included?
Only where specified. Features may require additional software, licences, configuration and policies.
Will calls work during an internet outage?
Teams clients need working connectivity and powered devices. An alternative connection or supported diversion can help, but the intended behaviour must be agreed and tested.
UK-wide service enquiries
Microsoft Direct Routing across the UK.
Plan your UK business numbers, Teams users and existing telephone commitments together. Direct Routing requires compatible SBC connectivity and appropriate licences; number transfers, emergency calling and cutover arrangements need explicit planning.
Based in Charlwood, we welcome enquiries nationwide, with a particular focus on Horley, Crawley, Gatwick, Surrey, Sussex and London. Delivery, availability and any site attendance are confirmed for your chosen service.
Let’s talk
Let’s bring your
calls into Teams.
Tell us about your current setup, priorities and plans. We’ll help you work through the next steps.
hello@RadianNetworks.co.uk