UCAAS - BUSINESS VOICE Modern Communications
CCAAS - CONTACT CENTER Advanced Omnichannel
INTEGRATED MESSAGING SMS | MMS | CHAT
SAAS INTEGRATIONS Over 200+ Apps & Integrations
ENHANCED MS TEAMS VOICE Hybrid Direct Routing Solution
ON-CALL & ALERTING Critical Alerting, Escalations
AI AGENTS AI Powered Automation
BI BUSINESS INTELLIGENCE Dashboards, Reports, Wallboards
USER ID & VERIFICATION Automated, On-Demand, Integrated
WORKFORCE MANAGEMENT Simplified Staff Management
PROGRESSIVE DIALER Intelligent Dialer with VM Drop
MSP RESALE PROGRAM Designed Exclusively for IT & MSP's 
bvoip has completed certification of Yealinks T4U Series VoIP Phones
Minimum firmware version v85 or Above is required.
These devices are marked as Full Support which means:
You can find a full list of supported devices here.