Business Phone Systems
Built to Last.
Crystal-clear VoIP, unified messaging, and enterprise-grade reliability — all in one platform. No contracts, no hardware, no hassle.
7-day free trial • No credit card required • Cancel anytime
In business since
Uptime SLA
Customer retention
U.S.-based support
Works with phones from all major manufacturers
Why businesses choose SoundLine
We're not a startup. We're a proven partner with nearly two decades of experience keeping businesses connected.
Five-Nines Reliability
Our 99.999% uptime SLA is backed financially. Geo-redundant data centers and automatic failover mean your phones just work — even when the unexpected happens.
Real People, Real Support
Every support call is answered by a U.S.-based engineer who knows your system — not a call center script. Available 24/7 for all customers, not just enterprise accounts.
No Contracts, Ever
Month-to-month billing on every plan. We earn your business every month by delivering a platform you'd never want to leave — not by locking you into a multi-year agreement.
Replace four tools with one
SoundLine unifies your business phone system, video meetings, team messaging, and contact center tools into a single subscription. One login, one bill, one support team.
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Cloud VoIP calling — unlimited US & Canada, HD voice, any device
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Video meetings — up to 200 participants, screen share, recording
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Team messaging & SMS — internal chat, business texting, file sharing
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AI-powered tools — real-time transcription, call summaries, sentiment
"…I'd like to upgrade to the Growth plan and add three more users…"
Everything your team needs
Powerful features included on every plan — not gated behind enterprise tiers.
Auto-Attendant & IVR
Greet callers with a professional menu and route them to the right department instantly. Build multi-level call flows with a simple visual editor.
Intelligent Call Routing
Route by time of day, caller ID, or skills. Ring groups, call queues, and simultaneous ring keep every call answered by the right person.
Video Conferencing
Host HD video meetings for up to 200 participants — no separate app or subscription needed. Screen sharing, recording, and breakout rooms included.
AI Call Transcription
Every call transcribed in real time with post-call summaries, action items, and sentiment scores. No manual note-taking, ever again.
CRM & App Integrations
Native integrations with Salesforce, HubSpot, Slack, Microsoft Teams, and 50+ business apps. Or connect anything via our open REST API.
Mobile & Desktop Apps
iOS, Android, Windows, and Mac softphone apps give remote and hybrid employees a full-featured business phone on any device, from anywhere.
Up and running in minutes
No technician visits, no hardware to rack. Set up your entire phone system from any browser.
Start your free trial
Sign up in 60 seconds — no credit card, no commitment. We'll provision your account and assign you a local number instantly.
Configure your system
Add users, set up your auto-attendant, and build call flows from the web portal. Our onboarding team is on standby if you need help.
Go live & port numbers
Start making and receiving calls immediately. Port your existing numbers to SoundLine with zero downtime — we handle the entire process.
Simple, transparent pricing
From 1-user startups to 1,000-user enterprises. All plans are month-to-month with no setup fees.
Starter
For small teams getting started
- Unlimited US/Canada calling
- Voicemail to email
- Basic auto-attendant
- Mobile & desktop apps
Growth
For growing businesses
- Everything in Starter
- Video meetings (200 participants)
- AI transcription & summaries
- CRM integrations
- SMS & team messaging
Scale
For high-volume teams
- Everything in Growth
- Unlimited call recording
- Advanced analytics & reporting
- Priority support & SLA
Trusted by businesses everywhere
Don't take our word for it — here's what our customers say.
"We switched from a national carrier that charged us three times as much and gave us half the features. SoundLine's support team had us ported and live in two days."
"The AI transcription alone is worth the price. Our sales team spends zero time on call notes now. The integrations with Salesforce work flawlessly out of the box."
"We run 4 locations and 60 users. Every location is on the same system, same extensions, same call flows. SoundLine is the only provider that made multi-site this easy."
Ready to ditch the old phone system?
Join thousands of businesses on SoundLine. Start a 7-day free trial today — no credit card, no contracts, no surprises.