- Market
- Direct Managed Voice Competitor
- Observed
- Sep 29, 2026
Originating researchCallTower
Directly competes for enterprise Microsoft Teams PSTN enablement and Operator Connect projects.
The company’s official website is verified. A sourced company description has not yet been reviewed.
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Category: Cloud communications and UCaaS service providers
Businesses and channel partners seeking carrier-grade hosted voice, UCaaS, or SIP trunking with PSTN redundancy and Teams or Zoom integration
Delivers multinational cloud telephony and managed PSTN integration via Microsoft Teams Operator Connect and Direct Routing, backed by redundant interconnections to local tier-1 carriers across Europe and North America.
Operates an enterprise-grade global IP voice network providing SIP trunking, carrier-grade redundancy, and direct routing/operator connect solutions for Microsoft Teams and Zoom Phone across North America and Europe.
Leading global UCaaS provider delivering 99.999% uptime carrier-grade voice architecture, native Microsoft Teams embedded dialer integrations, Direct Routing/Operator Connect options, and partner-ready cloud communications.
Provides enterprise UCaaS and global voice services with carrier-class PSTN redundancy across the US, Canada, UK, and Europe, featuring deeply integrated Microsoft Teams voice (Voice for Teams) and robust channel partner programs.
A leading UK and European carrier-grade voice and UCaaS provider offering Operator Connect for Microsoft Teams, robust SIP trunking, multi-carrier network resilience, and tailored solutions for channel partners.
Offers highly resilient Elastic SIP Trunking with multi-region failover and PSTN redundancy globally, serving as a backhaul foundation for Microsoft Teams Direct Routing and Zoom Phone BYOC architectures.
Specializes in carrier-grade hosted voice and automated provisioning for Microsoft Teams Operator Connect and Zoom Phone Provider Exchange, backed by a geographically redundant Tier 1 carrier network.
Longstanding managed UCaaS and cloud voice enabler providing carrier-grade Microsoft Teams Direct Routing/Operator Connect and Zoom Phone integrations with redundant global SBC networks across the US, EMEA, and Canada.
A Tier 1 European and transatlantic telecommunications provider offering enterprise SIP trunking, dedicated fiber connectivity, and official Microsoft Teams Operator Connect with strong PSTN disaster recovery.
Provides enterprise-grade cloud voice and SIP trunking specifically architected for Microsoft Teams Operator Connect, Direct Routing, and Zoom Phone Provider Exchange across 40+ countries.
Delivers multinational cloud telephony and managed PSTN integration via Microsoft Teams Operator Connect and Direct Routing, backed by redundant interconnections to local tier-1 carriers across Europe and North America.
Category: Cloud voice enablement platforms for UCaaS
Enterprises and channel partners seeking automated PSTN connectivity for Microsoft Teams, Zoom Phone, or Webex without on-premises hardware
Provides fully managed, 100% cloud-hosted PSTN connectivity and automated provisioning for Microsoft Teams Phone via Operator Connect and Direct Routing across over 100 countries without customer SBC hardware.
Provides a turnkey cloud voice service delivery and enablement platform (AudioCodes Live Platform) that automates SBC management, lifecycle operations, and PSTN connectivity across Microsoft Teams (Direct Routing and Operator Connect Accelerator), Zoom Phone, and Webex Calling without customer on-premises equipment.
Offers an automated cloud provisioning and orchestration platform designed to provision, manage, and automate PSTN carrier connectivity and numbers across Microsoft Teams Operator Connect, Zoom Phone Provider Exchange, and Webex Calling.
Operates an international carrier-grade voice network paired with automated cloud routing software and APIs that power Operator Connect for Microsoft Teams, Zoom Phone BYOC/peering, and Webex without customer-side physical SBC infrastructure.
Delivers cloud-native Session Border Controller as a Service (Ribbon Connect) facilitating automated SaaS-based voice enablement, SIP routing, and portal administration for Microsoft Teams Direct Routing/Operator Connect and Cisco Webex Calling.
A specialized enterprise voice provider offering fully cloud-hosted voice enablement via SeRVE, delivering automated PSTN connectivity across Microsoft Teams Operator Connect, Zoom Phone, and Cisco Webex Calling globally.
Integrates Microsoft Teams Operator Connect, Cisco Webex Calling, and Zoom Phone into a unified cloud-native environment managed through CallTower Connect for turnkey self-provisioning, number management, and hardware-free PSTN delivery.
Provides fully managed, 100% cloud-hosted PSTN connectivity and automated provisioning for Microsoft Teams Phone via Operator Connect and Direct Routing across over 100 countries without customer SBC hardware.
Provides OneVoice for Operator Connect and Direct Routing, enabling multinational and regional enterprises to connect Teams, Zoom, and Webex to global PSTN voice infrastructure through fully cloud-managed peering.
Offers cloud voice automation and enablement services for Microsoft Teams and multi-UCaaS environments, supplying automated carrier provisioning, hosted SBC infrastructure, and Operator Connect services across Europe and global locations.
Provides cloud PSTN interconnection, BYOC enablement, and automated SIP trunking infrastructure designed to integrate telephony with Microsoft Teams and Zoom Phone environments via carrier-grade cloud APIs and hosted networks.
These records show where this company appeared while the Buyer Guide was researching related companies and markets.
Originating researchCallTower
Directly competes for enterprise Microsoft Teams PSTN enablement and Operator Connect projects.
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