Connect PSTN calling to Microsoft Teams with properly configured SBC and SIP trunking, backed by 24/7 support.
We configure and manage the session border controller that connects your SIP trunk to Microsoft Teams properly, not as an afterthought.
Existing numbers are ported and routed through Direct Routing without disrupting incoming calls.
Once live, we monitor call quality and routing continuously and handle any issues on your behalf.
Cloudswitched configures and supports teams direct routing uk businesses use to bring PSTN calling into Microsoft Teams without relying on Microsoft's own Calling Plans. Direct Routing connects your Teams tenant to a SIP trunk provider through a certified session border controller, letting you keep an existing SIP trunking arrangement, get more competitive call rates, or route calls through infrastructure that already handles your other connectivity. It's a more flexible option than Microsoft Calling Plans, but it needs to be configured correctly -- SBC settings, voice routing policies and number assignment all have to line up, or call quality and reliability suffer. If you haven't decided on Direct Routing specifically and want the full picture of UCaaS options first, see our UCaaS providers comparison, and for Teams calling more broadly, our Microsoft Teams calling page covers Calling Plans and Direct Routing side by side. We also regularly inherit and fix Direct Routing setups that were configured once and never properly maintained, so if your current setup is technically live but unreliable, that's a very common starting point for us too.
Direct Routing gives you more control and often better call rates than Microsoft's own Calling Plans, but that control comes with more moving parts -- a session border controller, a SIP trunk provider, voice routing policies and number assignment all need to work together correctly, or calls drop, quality degrades or routing behaves inconsistently.
The SBC is the piece that actually connects your SIP trunk to Microsoft's network. We configure and manage certified SBC hardware or cloud SBC services properly, rather than leaving default settings that weren't designed for your specific trunk provider.
Teams Direct Routing uses voice routing policies to decide how calls are handled -- which numbers route where, which users get which calling features. Misconfigured policies are a common cause of calls failing silently or routing to the wrong place, and because Teams often reports these as generic errors, diagnosing them without genuine Direct Routing experience can take far longer than it should.
Bringing existing numbers into a teams direct routing uk setup needs careful sequencing so incoming calls keep working throughout the transition, rather than a gap between the old system going down and Direct Routing going live. Where a business has numbers across multiple ranges or providers, we plan porting in batches so the majority of users are unaffected while any edge cases are handled individually.
Beyond initial setup, what matters day to day is consistent call quality -- no choppy audio, no dropped calls during busy periods -- which depends on both correct SBC configuration and a network properly prioritising voice traffic. We monitor call quality metrics continuously rather than waiting for staff to report a problem, since intermittent audio issues are often the first sign of a configuration or bandwidth issue building up before it becomes a wider outage.
We review your existing SIP trunk, Teams tenant and calling requirements before designing the configuration.
We configure certified session border controller hardware or a cloud SBC service to connect your trunk to Teams properly.
We set up voice routing policies and port existing numbers with minimal disruption to incoming calls.
We test call quality thoroughly before go-live, then monitor and support the setup continuously.
From assessment to ongoing support -- here's how we configure Teams Direct Routing.
We review your Teams tenant, existing SIP trunk and calling requirements.
We configure the session border controller and connect your SIP trunk to Teams.
We set up voice routing policies and port existing numbers with minimal disruption.
We test call quality thoroughly, then monitor and support the setup on an ongoing basis.
We configure SBC hardware and voice routing policies properly from the outset, rather than leaving default settings that weren't designed for your specific SIP trunk.
Number porting into Direct Routing is planned and sequenced carefully, so incoming calls are never disrupted during the transition, even across multiple number ranges or providers.
We test call quality thoroughly before go-live, catching configuration issues before your team relies on the system, not after the first client complains.
Because Direct Routing sits alongside our wider connectivity and networking services, the same team ensuring good call quality also manages your internet connection.
You get a dedicated account manager and 24/7 monitoring, not a support ticket split across a carrier and a software vendor.
And because we manage the SBC and voice routing ourselves, there's no finger-pointing between vendors when something needs fixing -- when a call has a problem, we know within minutes whether it's the trunk, the SBC configuration or the network, rather than spending a day ruling things out with three different suppliers.
