"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
Calling, texting, video meetings, team messaging and shared contacts in one platform. Growth includes post-call transcripts and AI summaries today. Explore current features below; future capabilities are marked coming soon.
1
Platform
99.99%
Uptime SLA
2008
Serving Businesses Since
2
Plans Available Now
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 plan includes one free local business number — pick your area code and start calling in minutes.
- Local number included with your plan
- Ready in minutes — activation fee waived on your included number
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
Growth includes support for compatible IP desk phones with zero-touch provisioning. Use the mobile app or browser phone on Starter.
- Plug-and-play with popular IP phones
- Zero-touch provisioning & updates
Core
Video Calling
Meet by video with screen sharing and meeting links, without an extra app to install. Starter supports up to 5 participants; Growth supports up to 200.
- 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
Growth includes advanced IVR for multi-level call flows. We'll help you set them up, and Echo can help you make changes. Basic IVR is included on Starter.
- SoundLine will help you create the routing
- Echo can update your flow with confidence
AI
Call Transcription
Automatically transcribe recorded calls after they end. Included on Growth; available on Starter for $5 per user per month, with the $3 recording add-on also required.
- Post-call transcripts
- Full-text search across your archive
AI
Call Summary
Included on Growth: review a concise AI summary of who spoke, what the call was about and its outcome, alongside the recorded call and transcript.
- AI-generated call summaries
- 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
Mobile App & Browser Phone
Use your business number from the browser phone or the SoundLine mobile app. Keep calling, texting, voicemail and team chat together, with access to your businesses from one login.
- Native iOS & Android apps
- Browser calling from your portal workspace
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
Keep a shared company address book in SoundLine so your team can find customer contact details without maintaining separate lists. Shared contacts are included on Starter and Growth.
- Company-wide shared directory
- Notes & history visible to the team
Productivity
Voicemail Transcription
Read your voicemails instead of dialing in. Voicemail transcription is included on Starter and Growth, with messages available by email and in the app.
- Voicemail-to-text in seconds
- Delivered by email & in-app
Productivity
Call Recording
Review recorded calls when you need to check a detail or follow up with a customer. Call recording is included on Growth and available on Starter for $3 per user per month.
- Automatic & on-demand recording
- Playback alongside your call history
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
Connect your existing workflows to SoundLine using account-scoped API keys. Supported APIs cover messaging, contacts and recordings, with webhooks for call and voicemail events. Find reference documentation in your portal.
- Messaging, contacts & recordings APIs
- 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 in the portal or mobile app. Each business is billed separately at the same per-user plan rates. Multi-account access is 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 and 1,000 outbound texts 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 — fees shown upfront
No setup fees
No long-term contracts
Live within minutes