VoIP for MSPs, built by an MSP.
A cloud phone system with native PSA integration, a multi-tenant control portal, and Microsoft Teams voice. Sold only through MSPs, and built by one.
What is VoIP for MSPs?
1Stream is a cloud VoIP and unified communications platform sold exclusively through MSPs. It combines voice, SMS/MMS, video, contact center, and Microsoft Teams voice on one platform, with native, real-time integrations to ConnectWise PSA, Autotask, HaloPSA, Kaseya BMS, Syncro, SuperOps, and more.
MSPs manage every client from one multi-tenant portal. Pricing is per user, per role, month to month, with no annual lock-in.
A phone system designed around how MSPs actually work.
Most cloud phone vendors sell to enterprises and treat MSPs as an afterthought. 1Stream was built by an MSP that was losing its help desk to voice vendor management, and it is sold only through MSPs. There is no SMB direct and no enterprise carve-out.
Native PSA integration
Calls open the right ticket and log notes and time entries in ConnectWise PSA, Autotask, HaloPSA, Kaseya BMS, Syncro, SuperOps, and more. Real-time and bidirectional, with no middleware.
Multi-tenant control portal
Manage every client's system, extensions, call flows, integrations, and storage from one portal. Add a user, change a routing rule, or provision a phone without opening a ticket.
Voice, messaging, and contact center
Voice, SMS/MMS, video, and chat on one number. Start with a single line and grow into a full contact center on the same platform, with no re-platforming.
Microsoft Teams voice
Direct routing plus the full UCaaS and CCaaS feature set inside the Teams client, including the AI Attendant, call recording, and PSA integration.
Compliance built in
HIPAA-ready with BAAs available for healthcare clients, plus e911, Kari's Law, RAY BAUM's Act, and 10DLC support for business texting.
Bring your own phones
Any open SIP phone works, including Yealink, Polycom, Cisco, Grandstream, and Snom. Zero-touch provisioning, and no on-site SBCs to install or maintain.
Priced per user, per role. Month to month.
Mix plans across a client's team based on the work each person does:
- Lite: essential business communications.
- View: adds contact center and call recording.
- Engage: adds messaging, integrations, and Teams voice.
- Intelligence: adds advanced AI, BI dashboards, and identity.
There is no annual lock-in. Onboarding covers platform setup, PSA integration configuration, number porting coordination, and technician training. See plans in detail.
VoIP for MSPs: common questions
What is VoIP for MSPs?
VoIP for MSPs is a cloud phone system designed for IT service providers to deploy and manage across many clients. 1Stream is sold exclusively through MSPs and includes voice, messaging, video, contact center, and Microsoft Teams voice, with native PSA integration and a multi-tenant control portal.
Does 1Stream integrate with my PSA?
Yes. 1Stream has native, bidirectional integrations with ConnectWise PSA, Autotask, HaloPSA, Kaseya BMS, Syncro, SuperOps, and more, plus 200+ other MSP tools across RMM, CRM, documentation, and ticketing. Integrations run in real time and require no middleware.
Can I keep my existing phones?
Any open SIP phone works, including Yealink, Polycom, Cisco, Grandstream, and Snom. Your existing inventory likely just re-provisions, and zero-touch provisioning brings new phones online when they are plugged in.
Does 1Stream support Microsoft Teams?
Yes. 1Stream provides Microsoft Teams direct routing plus full UCaaS and CCaaS capabilities inside the Teams client, including skill-based routing, queue callbacks, call recording, the AI Attendant, and PSA integration.
Is 1Stream HIPAA compliant?
1Stream meets HIPAA compliance requirements, and Business Associate Agreements are available for MSPs supporting healthcare clients. The platform also supports e911, Kari's Law, and 10DLC carrier requirements for SMS.
Can I replace my current phone system or run 1Stream alongside it?
Both. You can replace your existing system entirely, or run 1Stream alongside what you have during a transition. Number porting is included.
Is there a long-term contract?
No. Plans are priced per user, per role, and billed month to month with no annual lock-in.
Consolidate the chaos. In 20 minutes.
Show us your current vendor stack. We'll show you what one platform looks like, with your team's data.