Connect Yeastar to Microsoft Teams in minutes
Keep your existing Yeastar phone system with all
Keep your existing Yeastar phone system with all
the features you rely on
Call2Teams has been tested and validated by Yeastar for use with Cloud PBX, S-Series PBX and K2.
You can download the configuration guides below
Yeastar Cloud PBX Yeastar S-Series Voip PBX Yeastar K2 IPPBX
Quick and simple deployment
One-click deployment, no additional hardware, no need for specialist skills. 
No disruption or risk
Works with any phone system, PBX or SIP Trunk Provider, no need to change numbers, phone system, PBX, SIP trunk provider or carrier. 
Flexible user management
Per user, per month subscription provisioning and billing with user-by-user rollout. 
A truly global platform
Operating in Microsoft’s Azure cloud and served from super-clusters in four continents delivering an enterprise-grade service. 
Call2Teams® is channel-only
Driving your business forward
UCaaS service providers
OEM or white label within an existing proposition for accelerated go-to-market.
Partner with usVoice distributors & value added resellers
Generate monthly recurring revenues with a solution that’s easy to provision, configure and support.
Partner with usIT distributors & resellers, MSPs, systems integrators
Cloud-native, enterprise- grade solution that takes the pain out of voice-enabling Microsoft Teams.
Partner with usBusinesses
Discover our partners, from large organisations to small local service providers, to the do-it-yourself options via Microsoft’s Appsource.
Find a partner