Platform/Phone System

Cloud Phone System

The cloud phone system built for MSPs.

Auto attendants, call queues, softphones, and desk phones, delivered through a channel-only platform with your PSA built in.

Resell business phone service your clients can rely on, with the ticket, time entry, and call recording handled for your techs on every call.

Book a Demo →See Plans

One call, start to finish

Client calls in

The auto attendant answers with the right greeting for the time of day.

Routed to the right tech

Queues and ring groups send it to whoever should take it.

Your PSA is already open

Caller and ticket context follow the call.

Notes, time, and recording land on the ticket

Nothing for your tech to type after hanging up.

What is the 1Stream cloud phone system?

1Stream's cloud phone system is a business phone service built for IT service providers and MSPs. It includes auto attendants, ring groups, call queues, voicemail, call recording, and number management, with softphone apps and supported desk phones. It is sold only through the channel and integrates natively with PSA tools such as ConnectWise, Autotask, HaloPSA, and NinjaOne, so calls can create tickets and time entries in your PSA.

Core calling

Everything a business phone system needs, without the stitching.

The features your clients expect, managed from one place for every client you run.

Auto attendants and IVR

Build call flows for each client with business hours, holidays, and after-hours routing.

Ring groups and call queues

Send calls to the right techs with queues, ring groups, and agent login, including after-hours escalation with Signal.

Voicemail and recording

Voicemail you can monitor and route, plus call recordings posted to the ticket in supported PSAs.

Holiday and schedule control

Schedule holidays, greetings, and forced in or out of office routing without opening a ticket.

Number management

Manage DIDs and bulk-import lists of phone numbers, with E.164 number processing built in.

SMS and MMS

Text messaging on the same platform as your voice service.

Apps and devices

Softphones and desk phones your clients will actually use.

Softphone apps

Desktop and mobile softphone apps for Windows, Mac, iOS, and Android, plus a Chrome extension.

Supported desk phones

Supported Yealink desk phones with zero-touch provisioning. See Phones and Equipment for the current list.

Built for MSP operations

Manage every client from one portal, and let the PSA keep the records.

Multi-tenant Control Portal

Manage users, numbers, and call flows for all of your clients from one control portal.

Native PSA integration

Native integrations with ConnectWise, Autotask, HaloPSA, and NinjaOne, among 200+ across PSA, RMM, and CRM tools. See integrations.

AI summaries on the ticket

AI call summaries with sentiment and call recordings, posted to the ticket on supported PSAs such as Autotask.

AI on every call

Seven AI agents that know your PSA, your tickets, and your team.

From caller verification and smart routing to ticket triage, auto-notetaking, and Signal on-call alerting, the AI works inside the same platform as your phone system.

Explore AI Agents Meet Signal

Reliability and trust

A private cloud, and people who pick up.

private cloud locations

Data residency across eight private cloud regions. Visit the Trust Center.

24/7

partner support

Support for 1Stream partners around the clock. See support.

2014

channel-only since

Built by an MSP, for MSPs, and sold exclusively through them.

Sold only through the channel

Your clients stay yours, and you set the price.

1Stream never sells direct. Plans are priced per user and per role across four tiers: Lite, View, Engage, and Intelligence. Mix tiers across a team based on the work each person does. Plans are month to month with no annual lock-in.

See Plans Partner Program

Phone system questions, answered.

What is a cloud phone system for MSPs?+

A cloud phone system for MSPs is a business phone service an IT service provider can resell to its own clients. 1Stream includes auto attendants, ring groups, call queues, voicemail, call recording, and number management, with softphone apps and supported desk phones, and it integrates natively with PSA tools so calls can create tickets and time entries.

Can we resell 1Stream and set our own pricing?+

Yes. 1Stream is sold only through IT service providers and MSPs. You resell to your end clients under a partner arrangement and set the price they pay.

Which PSA tools does the phone system integrate with?+

1Stream has native integrations with ConnectWise, Autotask, HaloPSA, and NinjaOne, along with 200+ integrations across PSA, RMM, and CRM tools. See the integrations page for the full list.

Which phones and apps are supported?+

1Stream supports desktop and mobile softphone apps for Windows, Mac, iOS, and Android, plus supported Yealink desk phones with zero-touch provisioning. See Phones and Equipment for the current list.

How is the phone system priced?+

Plans are priced per user and per role across four tiers: Lite, View, Engage, and Intelligence. You can mix tiers across a team, and plans are month to month with no annual lock-in.

Does 1Stream sell directly to businesses?+

No. 1Stream is channel-only. If you are a business looking for a phone system, 1Stream will connect you with a partner who can set you up and support you.

Where is my clients' data hosted?+

1Stream runs across eight private cloud locations. The Trust Center covers security practices, data residency, encryption standards, and compliance documentation.