Business Phone Systems That Sound Crystal Clear
Replace expensive copper landlines and aging on-premise PBX hardware with enterprise cloud VoIP engineered for organizations across Maryland, Washington D.C., and Northern Virginia.
Enjoy high-definition voice clarity, automated call routing, mobile softphones, AI voicemail transcription, and CRM integration from $12.99 per user with free number porting.
Everything Your Business Needs to Communicate
Transform your telephone infrastructure into a strategic operational asset that scales effortlessly.
Crystal-Clear Opus HD Audio
Enterprise VoIP powered by high-fidelity wideband Opus codecs. Eliminates background static and robotic compression on every internal and external call.
Seamless Mobile & Desktop Apps
Make and receive calls from your office number anywhere. Native apps for iOS, Android, macOS, and Windows keep remote staff fully connected.
Intelligent Auto-Attendant & IVR
Custom multi-tier phone menus, ring groups, time-of-day call routing, and holiday scheduling ensure every incoming caller reaches the right department.
Voicemail with AI Transcription
Receive voicemails instantly as audio attachments and clean text transcriptions delivered straight to your email inbox and smartphone notifications.
Call Recording & Compliance Storage
Encrypted call recording on demand or automatically. Meets regulatory compliance requirements for HIPAA healthcare providers, legal practices, and financial desks.
CRM Integration & Business SMS
Screen-pop caller records from Salesforce, HubSpot, or Clio. Send and receive two-way SMS and MMS messages directly from your business number.
Simple Per-User Pricing
No hidden equipment lease fees. Volume discounts available: 10+ seats save 10%, 50+ seats save 15%.
Essentials
Ideal for small teams and professional offices replacing traditional telephone lines.
- Unlimited US & Canada Calling
- Auto-Attendant / Multi-Tier IVR
- Voicemail to Email Forwarding
- Mobile & Desktop Softphone Apps
- Ring Groups & Call Queues
- Free Number Porting
Professional
Our most popular package for growing businesses needing transcription and integrations.
- Everything in Essentials
- Automated Call Recording
- AI Voicemail Text Transcription
- CRM Integration (Salesforce, HubSpot, Clio)
- HD Video Conferencing & Screen Sharing
- Business SMS & MMS Messaging
- Priority Engineering Support
Enterprise
Engineered for high-volume contact centers, legal teams, and compliance environments.
- Everything in Professional
- Advanced Call Center Queues & Barge-In
- HIPAA / PCI Compliant Storage Vault
- Real-Time Supervisor Wallboards
- Custom REST API & Webhook Dispatch
- Dedicated Telecom Solutions Architect
- 15-Minute Critical Incident SLA
Frequently Asked Questions
Clear guidance regarding business VoIP and hosted PBX implementation.
Can we keep our existing phone numbers when switching to Sentinel Owl?
Yes. We handle the complete number porting process with your existing telecom carrier at zero charge. Your phone numbers remain active throughout the cutover with zero downtime.
Do we need to buy expensive desk phones to use this service?
No. Your staff can use our desktop and mobile softphone apps on laptops, iPhones, and Android devices. If your team prefers physical desk phones, we provision plug-and-play Yealink, Poly, or Cisco IP hardware.
What happens if our office internet connection experiences an outage?
Our cloud PBX automatically fails over. Incoming calls instantly route to employee mobile apps or backup cell phone numbers without missing a single client inquiry.
Request a 15-Minute PBX Demo
Hear crystal-clear audio quality firsthand and test our mobile softphones on your own devices.