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Voice · PBX Connector

Your PBX. Native in Microsoft Teams.

Turn the Teams dial pad into a softphone on the UCaaS or PBX you already run, with a Teams app that carries your brand.

Book a demo → Start a proof of concept

Free 30-day proof of concept for service providers.

30+ partners and 500+ service providers in 18 countriesMicrosoft ISV Partner · Microsoft Certified for Co-sell100% Microsoft Azure based, 9 geographic regions
How it works

Live in three steps.

TeamMate automates the Microsoft side, so you focus on your customers.

Set up your portal

Add your branding and invite your first customer to connect a PBX to their Microsoft 365 tenant.

Add PBX and users

Enter PBX and user details, or pull them from your provisioning server with SIP auto-provisioning. TeamMate automates the Direct Routing link, and you can step in at any point.

Make and receive calls

Calls run through your existing PBX to Teams on desktop, browser and mobile.

Your brand in Teams

Your app in every customer's Teams.

Deploy a branded app to each customer's Teams app catalog, with your logo and your service details. It brings your UCaaS features into Teams.

Native Teams dial pad

Teams Calls becomes a softphone on your PBX, using the DID or extension from the PBX, with extension dialing. Connect one or several PBXs per tenant.

Single sign-on

One click from Teams into your customer portal.

Voicemail notifications

New voicemail alerts, right in Teams.

Custom soft keys

Put the PBX functions you choose one tap away.

In-call and after-call cards

Integrated with Microsoft Contacts and Calendar.

Presence Sync

On a PBX call? Teams status switches to "On a Call" automatically. How presence sync works

Presence Pause

Stop calls ringing through to Teams during meetings or focus time. About Presence Pause

Pro Transfer

Transfer calls to any Teams user with real status updates to the PBX. About Pro Transfer

Microsoft Teams Calls app showing a work number with extension, +1 412-555-0148 ext. 6104, from the user's phone system
Every user keeps their existing work number and extension, right in the Teams dialer.
Compatibility

Works with the PBX you run.

TeamMate registers to your existing PBX over SIP. Don't see yours? Challenge us with a new system.

80+PBX types and variants tested
1 or morePBXs per Microsoft 365 tenant
Ask about your PBX →30 shown, and more
  • 2600Hz (Ooma)
  • 3CX
  • 8x8
  • Alcatel-Lucent
  • Allworx
  • Asterisk
  • Avaya
  • BroadSoft
  • Centile (Enreach)
  • Cisco
  • CoreDial
  • FreeSWITCH
  • Grandstream
  • Metaswitch
  • Mitel
  • NEC
  • NetSapiens (Crexendo)
  • Panasonic
  • PortaOne
  • RingCentral
  • Sangoma
  • Star2Star
  • Talkdesk
  • Twilio
  • Vodia
  • VoIP.ms
  • Vonage
  • Wildix
  • Yeastar
  • Zultys

Systems shown on the current PBX Connector page. Logos are trademarks of their owners.

How it connects

Every Teams user is a real PBX extension.

PBX Connector registers each Teams user to their own SIP extension, so your PBX treats Teams like any other softphone.

Approach

Cross launch

A Teams app opens a separate softphone.

  • No: Calls answered and handled in TeamsCalls move to a separate softphone
  • No: PBX features in Teamspark, transfer, presence, queues, BLF, voicemail indicator
  • Yes: No extra number or call leg per user
  • No: Uses your existing softphone provisioning and supportA separate softphone to support
Approach

Twinning

The PBX also rings a Teams number.

  • Yes: Calls answered and handled in Teams
  • No: PBX features in Teamspark, transfer, presence, queues, BLF, voicemail indicator
  • No: No extra number or call leg per user
  • No: Uses your existing softphone provisioning and supportA trunk per user
PBX Connector

Registration

Each Teams user registers to their own extension.

  • Yes: Calls answered and handled in Teams
  • Yes: PBX features in Teamspark, transfer, presence, queues, BLF, voicemail indicator
  • Yes: No extra number or call leg per user
  • Yes: Uses your existing softphone provisioning and support

A back-to-back user agent (B2BUA) maps each Teams user to their SIP extension.

See the full TeamMate architecture →

Value

More for your customers. Less work for you.

What your customers get

  • Their numbers, phone rules and carriers stay as they are.
  • Calls in Teams on mobile, PC and Mac.
  • Every Teams feature, with their PBX unchanged.
  • No changes to their existing PBX or Teams setup.

What you get

  • A white-label portal and Teams app, with every branding component under your control.
  • Automated setup, from Direct Routing to user provisioning and Teams app creation.
  • A REST API for all provisioning, plus SBCs included in 9 Azure regions.
  • PBX, SIP Trunk and SMS services managed from one interface.
  • Minimal Microsoft permissions. No Microsoft passwords or tokens are read or held.
From partners

“As the telco experts, we know what TeamMate brings with PBX Connector… that’s exactly what our partners are providing.”

Klaus HaertelDirector for Global Channel and Alliances, PortaOne
Related products

Add more to every tenant.

Add-on to PBX Connector

ACS Call App

A brandable add-on to PBX Connector. Calling in Teams with no Microsoft Phone System licenses required.

Learn more → Voice

Teams Call Recording

Compliance recording for calls and meetings, including a payment (PCI) pause and resume.

Learn more → Voice

SIP Trunk Connector

Automated build and management of Direct Routing, including users, settings and call paths.

Learn more → Messaging

SMS Connector

White-label SMS and MMS in Teams, with shared team inboxes per number.

Learn more →
FAQ

PBX Connector questions.

How does PBX Connector connect Teams to my PBX?

Each Teams user registers to their own SIP extension on your PBX, so calls keep your PBX features like park, transfer, queues and voicemail. Your team provisions and supports it like any other softphone.

Do I need a session border controller (SBC)?

An SBC is needed for any SIP connection to Microsoft Teams, and it's included. TeamMate runs SBCs in 9 Microsoft Azure regions.

Can my customers keep their phone numbers?

Yes. The numbers assigned on the PBX are added to Teams, which acts as another appearance (Shared Call or Shared Line Appearance) for the same PBX users.

Do my customers need to change carriers?

No. They keep the carriers and service providers that deliver their PSTN service.

Will it change the existing PBX or Teams setup?

No. It doesn't change the PBX, SIP trunk or Teams account. It links them with a light touch.

How much can I brand?

Everything the Teams user sees: soft keys, portals and notifications. Set up branding during initial setup so every customer gets the same Teams softphone experience.

How is it priced?

Per user, per month.

Put your PBX in every customer's Teams.

See PBX Connector in a live demo, or start a proof of concept on your own PBX.

Book a demo →Start a proof of concept

Free 30-day proof of concept for service providers.