"Our company has is very appreciative of the fast, immediate, and quality service provided by Sound Line Communications."
RW
Robert Wright
Complete Communications Platform
Everything your team needs
to communicate at scale
36 features across six categories in one platform. No tools to duct-tape together, no vendor sprawl — just one system that works.
36
Features
99.99%
Uptime SLA
18+
Years in Business
5
Subscriptions Replaced
Core
Unlimited Calling*
Unlimited inbound and outbound calling across the US and Canada — crystal-clear audio over our redundant network with a 99.99% uptime SLA.
- No per-minute charges or surprise overages
- Crystal-clear audio with AI noise suppression
Core
Unlimited SMS & MMS*
Text and picture-message customers from your business number — unlimited, with delivery tracking and team-shared threads.
- Unlimited SMS & MMS to US & Canada
- Two-way threads shared across your team
One Free Number
Every account includes a free local or toll-free business number — pick your area code and start calling in minutes.
- Local or toll-free, your choice
- Instant activation, no setup fee
Core
Additional Phone Numbers
Add as many numbers as you need — for departments, locations, or campaigns — and route each to the right team or flow.
- Local, toll-free & vanity numbers
- Independent routing per number
Core
International Calling
Reach customers and partners worldwide, billed per minute by destination. Your portal lists every country we reach and its current rate, pulled live from our carrier — so you are never guessing what a call costs.
- Live country and rate list in your portal
- Per-minute billing, no bundled minimum
Core
Number Porting
Keep the numbers your customers already know. We handle porting end-to-end with zero downtime during the switch.
- Free port-in of existing numbers
- Guided, zero-downtime migration
Core
Transparent Port-Out
Your numbers are yours. If you ever leave, port out with a clear, published per-number fee — no hostage-taking.
- Published flat port-out fee per number
- Fast, no-hassle release process
Core
E911 Emergency Calling
Location-aware emergency calling on every line, so 911 dispatchers get the right address the moment a call connects.
- Registered address per device
- Automatic alerts to admins on 911 dial
Core
Desk Phones
Use the IP desk phones your team prefers. We support leading models out of the box with zero-touch provisioning.
- Plug-and-play with popular IP phones
- Zero-touch provisioning & updates
Core
Video Calling
Launch a video call from any conversation in one click — screen sharing included, no extra app to install.
- One-click video from any chat or call
- Screen sharing & meeting links
Core
Branded Caller ID (BCID)
Display your business name and logo on outbound calls so customers recognize you — and answer more of your calls.
- Verified business name on caller ID
- Higher answer rates, fewer spam flags
Core
Basic IVR
Greet callers with a professional menu and route them to the right department — set up in minutes, no IT required.
- Custom greetings & menu options
- Route to people, groups or voicemail
Core
Advanced IVR
Multi-level call flows are easy to manage. We'll help you set them up, and Echo can make changes for you with confidence.
- SoundLine will help you create the routing
- Echo can update your flow with confidence
AI
Call Transcription
Every call transcribed automatically in real time and after the fact — searchable, shareable, and accurate across a wide range of languages.
- Real-time & post-call transcripts
- Full-text search across your archive
AI
Call Summary
Get a concise AI summary with key points and action items in your inbox seconds after every call ends.
- Auto summaries with extracted to-dos
- Share to chat or email in a click
AI
Call Sentiment Analysis (Elite — coming soon)
Understand how every conversation felt. AI scores tone and sentiment so managers can spot at-risk customers fast.
- Per-call sentiment & tone scoring
- Trend alerts for coaching opportunities
AI
Voice AI Agent (Elite — coming soon)
An autonomous voice agent that answers, qualifies, and resolves routine calls 24/7 — escalating to humans only when needed.
- Natural conversational call handling
- Smart escalation with full context
AI
AI Receptionist (Elite — coming soon)
A virtual receptionist that greets callers, answers FAQs, books appointments, and routes calls — around the clock.
- 24/7 greeting, FAQ & scheduling
- Intelligent routing to the right team
AI
Live Call Translation (Elite — coming soon)
Break the language barrier in real time. AI translates both sides of a live call so everyone is understood instantly.
- Real-time two-way voice translation
- Multiple languages, no third-party tools
Productivity
SoundLine Mobile App
Your full business phone system in your pocket — calling, texting, voicemail, and team chat under your business number.
- Native iOS & Android apps
- Push notifications for calls & messages
Productivity
Team Messaging
Keep internal conversations and customer threads in one place. Chat with teammates, share files, and loop in context fast.
- Direct & group internal chat
- Shared customer threads with notes
Productivity
Shared Contacts
A single company-wide address book. Everyone sees the same up-to-date contact details, notes, and call history.
- Company-wide shared directory
- Notes & history visible to the team
Productivity
Voicemail Transcription
Read your voicemails instead of dialing in. Every message is transcribed and delivered to your inbox and the app.
- Voicemail-to-text in seconds
- Delivered by email & in-app
Productivity
Call Recording
Automatic or on-demand recording with HIPAA-compliant encrypted storage, instant playback, and audit-ready controls.
- Automatic & on-demand recording
- Encrypted, compliant cloud storage
Productivity
SMS Auto-Responder (Elite — coming soon)
Never leave a text unanswered. Send instant, customizable replies for after-hours, missed calls, or keyword triggers.
- After-hours & missed-call auto-replies
- Keyword-triggered responses
Productivity
Project-Management Tools (Elite — coming soon)
Turn conversations into action. Create tasks, assign owners, and track follow-ups without leaving SoundLine.
- Tasks & follow-ups tied to calls
- Assignments, due dates & reminders
Productivity
Click to Call
See a phone number in Chrome? Click it and SoundLine places the call — no copying, no second dialer.
- Click a number in Chrome to call from SoundLine
- Chrome extension
Integrations
REST API & Webhooks
Wire SoundLine into anything you already run. Generate a key, call the API, and subscribe to webhooks for call and voicemail events. Reference docs live in your portal.
- Full REST API with per-account keys
- Webhooks for call & voicemail events
Integrations
Slack & Teams Notifications
Push missed calls, new voicemails and queue alerts into the channels your team already watches. Notifications only — your conversations stay in SoundLine.
- Route event types to different channels
- Missed calls, voicemail & queue alerts
Integrations
CRM Integration (Coming Soon)
Native Salesforce and HubSpot integrations are in final testing. We’re holding them back from plans until they meet our reliability bar — check back soon.
- Click-to-call & auto call logging
- Screen pops with full contact context
Integrations
WhatsApp Integration (Coming Soon)
Meet customers where they are. WhatsApp Integration ships with the Elite plan — send and receive WhatsApp messages from the same shared inbox as your calls and SMS.
- WhatsApp in your unified inbox
- Team-shared threads & templates
Admin & Security
Analytics & Reporting
Live dashboards for call volume, answer rates, and team activity — so you always know how your phones are performing.
- Real-time call & team dashboards
- Answer rate, volume & missed-call views
Admin & Security
Advanced Reporting & Analytics (Elite — coming soon)
Describe the report you want in plain language and AI builds it from every data source in your account — then have it run on a schedule and land in the right inboxes.
- Custom reports built from an AI prompt
- Scheduled delivery to stakeholders
Admin & Security
Multi-location & Multi-account
Run every office — or every business you own — from one login. Separate accounts keep their own numbers, users and routing, and switching between them takes one click. Included on every plan.
- Per-location numbers, users & routing
- Multiple businesses under one login
Admin & Security
Supervisor Call Monitoring
Coach in real time. Listen silently, whisper to your agent without the caller hearing, or barge in when a call needs rescuing. Manager and Admin roles only.
- Silent monitor, whisper & barge-in
- Live view of every active call
Support
Ticket-Based Support
Submit a ticket anytime and track it to resolution. Every plan includes our responsive ticket-based support desk.
- Email & in-app ticketing on every plan
- Full history & status tracking
Support
Human Support (Phone)
Talk to a real person. Growth and above add phone support from our US-based team, Monday–Friday 8am–6pm PT — no bots, no runaround. Critical outages reach us 24/7 by phone on any plan.
- Phone support on Growth and above
- 24/7 phone cover for critical outages
*Subject to our Fair Use Policy — 1,500 minutes per user per month of ordinary business use.
Trusted by businesses everywhere
Don't take our word for it — here's what our customers say.
"We've been using Soundline for all of our phone services for years now. I recently made the terrible mistake of going to an Ai communication company b..."
MP
Michaela Pollard
"JJ was super helpful and professional. Management team should consider giving him a raise!"
RP
Roman Pastuszychyn
"Now that I was contacted by Victoria Petrosyan in person she resolved the issue for me regarding the new System not allowing me in to pay via website...."
DD
Darylene Dennon
"Excellent Service every time."
KM
Kevin M Gracey
"We have used Soundline's VOIP service for many years now. We always have crystal clear calls and no downtime. When we have had issues with the phones ..."
CN
Curt Nelson
"Soundline's set up is seamless, and their customer support is excellent! I highly reccommend Soundline Communications."
RC
Rachelle Costello
"Victoria was patient, kind and effective!"
DR
Dorothy Rodes
"Definitely went above and beyond to help with a new router installation. Great to do business with for sure.Thanks!"
BH
Brian Hendew
"Excellent company and very responsive to providing assistance. Superb customer service and products. Highly recommend businesses to consider this co..."
SH
Steven Hemmat
"Have used their phone service for several years and it is top notch. Good pricing, great service, tons of features, easy to use. The staff is great..."
CJ
Cameron Johnson
"I've used Soundline Commination's service for the last 4 years and am very pleased with their excellent customer service, technology & features advanc..."
MR
Michael Roberts
"Customer for several years. Very pleased. Much better than traditional land line."
MF
MI FM
"The best business partner decision we've made. Incredible customer service, tireless staff - not to mention the great pricing and features offered..."
BM
Bob Morgan
"As a small business man, I find myself having to occasionally ask favors of my vendors. Never in my 25+ years in business have I come across a compan..."
SK
Spencer King
"The service has been great!!!! Quick responses when we need changes to our account. The call recording feature was something we were missing, now it m..."
HP
Hunts Plumbing
"The crew at SoundLine has consistently gone above and beyond in service and prompt delivery. When we initially started using SoundLine's VOIP service ..."
NC
Noah Conquergood
"It was a pleasure working with these guys. It was nice to work with and support a small local business instead of navigating the headache that is a m..."
G
gabrielle
"Friendly and knowledgeable staff; small town personalized service."
DK
David Kirwan
"Best customer service. We have had a VOIP service within our company through Ring Central for a while now and have faced problems with call quality, p..."
HP
Hassan Packin
All your businesses, in your pocket.
SoundLine gives founders everything their companies need to communicate — phones, messaging, meetings, and AI — in one place. Start your next venture in minutes, not weeks.
Transparent pricing — no surprises
No setup fees
No long-term contracts
Live within minutes