Switch4Teams Ltd is a UK-based, award-winning Unified Communications provider with over 20 years of experience. Our voice over IP (VoIP) internet-based telephony, Microsoft Teams Direct Routing and UC cloud communication solutions are currently used by 1,000's of SBEs and partners across the UK. Connect with us and see how Switch4Teams can help ease your Microsoft Teams deployment. Solutions: Microsoft Teams Certified SBC Business Phone Numbers Microsoft Teams Hosted PBX SIP Trunks Microsoft 365 Voice VoIP Phone System Call Manager