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UCaaS · Unified communications

Your whole phone system, reimagined with AI.

Cloud calling, business texting, full HD video meetings, and mobile eSIM — one platform, with an AI suite that answers, routes, transcribes, and coaches every conversation. Built and operated by intSignal.

Talk to our team  ⟶See pricingSee the AI suite
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Cloud voiceHD videoeSIM cellularTwo-way SMS
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Good morning, Alex 👋
Monday · here’s your day at a glance
14Calls today
2Missed
3Voicemails
4Meetings
Today’s briefing

You have 4 meetings, 5 unread texts, and 3 voicemails to review. Your 10:00 Q3 review with Northwind Logistics has a prep task due — the AI assistant has drafted talking points.

Microsoft To Do
Send Q3 proposal to Northwind LogisticsDue today
Prep 10:00 review deckDue today
Call back Jordan Rivera re: installToday
Approve Cedar Valley Clinic quoteTomorrow
Recent texts
JRJordan RiveraGreat, see you at 2 PM 👍9:40 AM
NLNorthwind LogisticsInvoice received, thank you8:15 AM
CVCedar Valley ClinicYour appointment is confirmedYesterday
JRIncoming callJordan Rivera · (555) 018-2841✕

Communicate

Calls, texts, video, mobile, and voicemail — in one app

Every channel your team and customers use, unified on any device — including full video meetings with the features you expect from Zoom and Microsoft Teams, and business cellular on eSIM or SIM.

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Cloud voice calling

Make and take business calls from a browser softphone or a desk phone — no PBX, no on-prem hardware to babysit.

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Video meetings

Full HD video conferencing with everything you expect from Zoom or Microsoft Teams — shareable links, guest join, screen sharing, in-meeting chat, recording, document sharing, and dial-in.

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Business cellular (eSIM & SIM)

Put your business line on any smartphone with an eSIM or physical SIM — nationwide coverage and international roaming, fully integrated with your UCaaS calling and texting.

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Business texting (SMS)

Two-way SMS from your company numbers, so customers can text the same line they call. Carrier-registered and compliant.

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Voicemail

A visual inbox with automatic transcripts, so voicemails are readable, searchable, and easy to route or forward.

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Call recording

Record calls with searchable transcripts for quality, coaching, and compliance — retrievable from one control panel.

Route & answer calls

Send every call to the right place, automatically

Menus, groups, queues, and schedules work together so nothing rings out or gets missed.

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Auto-attendant / IVR

Greet every caller and route them with a menu — “press 1 for sales” — no receptionist required.

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Ring groups

Ring a whole team at once or in sequence so calls get answered fast, wherever people are working.

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Call queues

Hold callers in an orderly queue with position and wait handling when everyone is busy.

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Business-hours routing

Route differently for open, closed, and holiday hours — automatically, on a schedule you control.

AI suite

An AI layer across every conversation

It answers in natural language, transcribes live, builds your system from a sentence, and coaches your team afterward.

AI call assistant
AI IVR
AI configuration builder
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AI IVR

A natural-language auto-attendant. Callers just say what they need — “I need billing” — and they’re routed. No rigid menu trees.

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AI call assistant

Live transcription, real-time prompts, automatic note-taking, and a clean summary the moment the call ends.

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AI configuration builder

Describe your phone system in plain English and the AI builds it — menus, routing, hours, and groups.

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AI reporting & analytics

Ask questions in plain language and get plain-language insights back — volumes, wait times, outcomes, trends.

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AI conversation feedback

Automatically reviews calls and messages, scores quality, and coaches on tone, resolution, and compliance.

Easy setup & customization

Build and change your phone system yourself

Drag blocks on a canvas, flip between simple and advanced, and make it look like your brand.

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Visual drag-and-drop editor

Build call flows, IVR menus, and routing by dragging blocks on a canvas — see the whole system at a glance.

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Simple / advanced mode

Start simple for everyday changes; switch to advanced when you need fine-grained control. Same tool, two depths.

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Custom branding

Match the portal to your brand colors so it feels like your phone system, not a generic vendor console.

Trust & compliance

Enterprise-grade by default

The controls that keep business communications delivering, compliant, and secure.

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E911 emergency calling

Address-verified emergency calling, so a 911 call reaches responders with the right location on file.

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Business verification (10DLC)

Proper A2P 10DLC registration for business texting — the carrier-required step that keeps your messages delivering.

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Private & secure

Tenant data isolation and Microsoft Entra ID single sign-on, so access follows your existing identity and policies.

Full platform

Explore every capability

The highlights above are just the start. Expand any area to see the complete feature set.

Voice & calling8 features
Cloud voiceInbound and outbound calling from a browser softphone, desk phone, or mobile.
HD voiceWideband audio for clearer conversations on supported devices.
Call transferBlind and attended (warm) transfers with one click.
Hold, park & flipPark a call for anyone to pick up, or flip it between your devices mid-call.
Conference callingThree-way and multi-party calls without extra dial-in bridges.
Shared lines & BLFShared appearances and busy-lamp presence for receptionists and teams.
Extension & pagingShort extension dialing, intercom, and overhead/desk paging.
Caller ID & CNAMOutbound caller ID control and inbound name lookup.
Call routing & IVR8 features
Auto-attendant / IVRMulti-level menus that greet and route callers automatically.
AI natural-language IVRCallers say what they need — no rigid press-1 menus.
Ring groupsRing a team simultaneously or in sequence.
Call queuesOrderly hold with position, wait handling, and callbacks.
Business-hours & holidaysOpen, closed, and holiday routing on a schedule you control.
Time conditionsTime- and date-based rules for after-hours and breaks.
Find-me / follow-meReach you in sequence across extensions and external numbers.
Failover & overflowAutomatic overflow and failover so no call rings out.
Learn more about Call routing & IVR →
AI suite6 features
AI IVRNatural-language auto-attendant that understands intent.
AI call assistantLive transcription, real-time prompts, note-taking, and summaries.
AI configuration builderDescribe your phone system in plain English and the AI builds it.
AI reporting & analyticsAsk questions in plain language, get plain-language insights back.
AI conversation feedbackAuto-scores calls and coaches on tone, resolution, and compliance.
Real-time sentimentLive sentiment cues so agents can adjust in the moment.
Learn more about AI suite →
Messaging, SMS & mobile6 features
Two-way business SMS/MMSText from your company numbers — the same line customers call.
Group & team messagingGroup texts with customers and internal team chat.
Business cellular (eSIM & SIM)Your business line on any smartphone, with nationwide coverage and roaming.
Visual voicemailA readable inbox with voicemail-to-email and transcription.
PresenceSee who’s available, busy, or on a call across the org.
Online fax (eFax)Send and receive faxes digitally — secure, HIPAA-ready, no machine.
Learn more about Messaging, SMS & mobile →
Video & meetings7 features
HD video meetingsEverything you expect from Zoom or Microsoft Teams.
Shareable links & guest joinOne-click join for guests, no account required.
Screen & document sharingShare your screen, a window, or files in-meeting.
In-meeting chatSide chat, reactions, and links during the call.
Recording & transcriptsCloud recording with searchable AI transcripts.
Dial-in (PSTN)Phone dial-in numbers for guests without internet.
Microsoft Teams integrationDirect routing and enterprise voice inside Teams.
Learn more about Video & meetings →
Recording, monitoring & QA5 features
Call recordingAutomatic or on-demand recording across the org.
Searchable transcriptsFind any moment by searching the transcript text.
Live monitoringListen, whisper to the agent, or barge into a live call.
Quality scorecardsScore and coach calls against your own criteria.
Retention policiesRecording and retention aligned to your legal direction.
Contact center6 features
OmnichannelVoice, chat, SMS, email, and social in one agent desktop.
Skills-based routingSend each contact to the best-matched available agent.
Queue callbacksOffer a callback instead of waiting on hold.
Real-time & historical analyticsLive wallboards and deep historical reporting.
CRM agent desktopScreen-pops and click-to-call inside your CRM.
Workforce optimizationRecording, QA, and scheduling for larger teams.
Learn more about Contact center →
Integrations & devices6 features
Microsoft 365 & TeamsDirectory, calendar, and Teams direct routing.
Google WorkspaceContacts, calendar, and click-to-call.
Salesforce & HubSpotCall logging, screen-pops, and activity sync.
Open APIs & webhooksAutomate and connect custom apps and workflows.
Softphone & mobile appsBrowser, Windows, Mac, iOS, and Android clients.
Desk phones (BYOD)Bring supported desk phones or provision new ones.
Admin, security & reliability6 features
Single control panelManage one or thousands of users and sites from one console.
Entra ID SSO & RBACMicrosoft Entra ID single sign-on and role-based admin.
E911 & 10DLCAddress-verified emergency calling and A2P texting registration.
EncryptionMedia and signaling protections for calls and messages.
Audit logs & SIEM exportAdmin and activity logs your security team can export.
Geo-redundancyRedundant, failover-ready infrastructure for uptime.

Ready to modernize your phone system?

See the softphone, the AI suite, and the drag-and-drop builder in a live walkthrough with our team.

Book a walkthrough  ⟶

Frequently asked questions

What is intSignal UCaaS?

It's a cloud phone system that unifies voice calling, business texting (SMS), HD video meetings, and voicemail in one platform — plus an AI suite that answers in natural language, transcribes calls live, builds your call flows from a plain-English description, and coaches your team. It's built and operated by intSignal, with optional managed operations.

Do we need any on-premise hardware?

No. intSignal UCaaS runs in the cloud. Your team can use the browser-based softphone on any device, or connect supported desk phones. There's no PBX to maintain, and moves, adds, and changes happen in a web control panel.

What can the AI suite actually do?

The AI IVR lets callers say what they need ("I need billing") instead of pressing menu numbers. The AI call assistant transcribes live, takes notes, prompts in real time, and writes a summary the moment a call ends. The AI configuration builder turns a plain-English description into working call flows. AI reporting answers questions in plain language, and AI conversation feedback scores calls and coaches on tone, resolution, and compliance.

Can we send and receive business text messages?

Yes — two-way SMS from your company phone numbers, so customers can text the same line they call. intSignal handles the A2P 10DLC business registration carriers require, which keeps your messages deliverable and compliant.

How hard is it to set up and change call routing?

You build and edit call flows, IVR menus, ring groups, queues, and business-hours rules with a visual drag-and-drop editor. A simple mode covers everyday changes; an advanced mode gives fine-grained control when you need it. You can also describe what you want in plain English and let the AI build it.

Is it secure and compliant?

Yes. Access uses Microsoft Entra ID single sign-on so it follows your existing identity and conditional-access policies, and tenant data is isolated. Address-verified E911 emergency calling and A2P 10DLC business verification are included. Recording, retention, and control mappings are scoped during onboarding.

Who operates the platform — and can intSignal manage it for us?

intSignal builds and hosts the platform, including PSTN interconnect and subscriber administration. Your admins can run it themselves through the control panel, or you can add intSignal managed operations — MACD, migrations, incident handling, and run-state delivery — under a separate services agreement.

What's the difference between UCaaS and VoIP?

VoIP is the underlying technology that carries phone calls over the internet instead of copper phone lines. UCaaS is the complete cloud communications platform built on top of VoIP — the calling, plus IVR and call routing, business texting (SMS), HD video meetings, voicemail, a contact center, and central administration, all in one system. intSignal UCaaS includes the VoIP calling and everything around it, so you get a full phone system rather than just a dial tone.

Is this a cloud PBX (hosted PBX)?

Yes. intSignal UCaaS is a cloud PBX — also called a hosted PBX — meaning the phone system that used to live as an on-premise PBX box in your wiring closet runs in intSignal's cloud instead. You keep the same extensions, IVR menus, call routing, and voicemail, but there's no hardware to maintain and changes happen in a web control panel. It also goes beyond a traditional PBX with built-in video meetings, messaging, and AI.

What happens to our calls if the internet goes down?

Your calls keep working. intSignal SD-WAN runs voice across more than one connection and fails over the moment a link degrades, so a single ISP problem doesn't drop calls in progress. You can add a backup internet connection — from intSignal or your own provider — on a usage-based plan, so you pay a small fee only when it's actually carrying traffic instead of a doubled bill for a second always-on circuit. And because the softphone works on any device, staff can keep taking business calls on the mobile app over cellular even if a site loses connectivity entirely.

How many simultaneous (concurrent) calls can it handle?

There's no fixed line count the way a legacy PBX has — call capacity scales in the cloud. Every user can place and receive calls at the same time, including multiple concurrent calls per user with hold, transfer, and conferencing, and the platform is provisioned for your headcount and call volume during onboarding — from a handful of users to thousands of seats across many locations.

Is intSignal UCaaS a good fit for a small or mid-sized business — say, around 100 people?

Yes. The tiers scale from a handful of users to thousands of seats, so a 20-person office and a 200-person multi-site company run on the same platform and you only pay for the users and capabilities you enable. A roughly 100-person business typically runs on the standard tiers with call routing, video, and messaging, and can add the contact center or AI suite for the teams that need them.

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