Enterprise VoIP phone systems provide organizations unique ways to manage inbound, outbound, and internal calls seamlessly from anywhere while saving costs and time, unifying communications, allowing integrations and better monitoring, and ultimately, increasing productivity.
In this comparison guide, we cover everything from features to pricing to support enterprise VoIP phone systems.
Enterprise Phone System Comparison Factors
Below are the factors you can use to compare enterprise phone systems:
Product Features
Product features can range from basic to advanced. Primary features include Call Recording, Ring Groups, Call Forwarding, Hold Message, Voicemail, Caller ID, Voice Conferencing, Instant Messaging, etc
Advanced features can include Call Routing, Automated Attendant, UCaaS, Real-Time Analytics, Built-in security, CRM integration, Third-party IP phone support, Video and Web conferencing, Contact/call center services, etc
Pricing
There are many price-related factors to consider before investing in an enterprise phone system. The ideal way is to consider the overall costs, including hardware, installation, platform charges, SIP Trunking charges, subscription, and other hidden expenses. Pricing also assumes payment model options, as this differs from one phone system to another.
Support
Some enterprise phone systems provide support and training. Others offer a demo or free trial before the purchase for you to decide if the product is worth the price. A 24-7 technical support is also a critical comparison factor to ensure your business can get help whenever you need one.
Enterprise Phone System Comparison Guide
Here, we’ll look at top enterprise phone systems with their features and pricing plans:
| Product | Features | Pricing (/user/month) | Support | Reviews |
| ULTATEL | Cloud PBX, HD voice, Wide range of call features, Advance call analytics & reporting, Web management portal CRM integrations, and more | Professional: $15.95 to $27.95 Premium: $19.95 to $31.95 Ultimate: $29.95 to $41.95 | 24/7 customer support via phone and email. 99.999% guaranteed uptime. | 4.7 out of 5 |
| Nextiva | Call analytics Automated voicemail transcription, CRM Integration, Mobile app capabilities, Customer journey analytics | Essential: $24.95 Professional: $29.95 Enterprise: $39.95 Ultimate: $60.95 | 24/7 phone, email, app, and chat customer service with every plan. | 4.1 out of 5 |
| RingCentral | Unlimited calls and business SMS within the U.S. & Canada Voicemail-to-text Real-time analytics CRM integrations, device status reports | Essentials: $29.99 Standard: $32.99 Premium: $42.99 Ultimate: $52.99 | 24/7 customer support for Standard, Premium, and Ultimate plan | 4.0 out of 5 |
| Zoom | Unlimited auto attendants, Call recording, voicemail transcription. Zoom users can elevate any Zoom Phone call to a video meeting; Integrations and unlimited international calling | US and Canada Metered: $10 plus per-minute rates for outgoing calls US and Canada Unlimited: $15 Pro Global Select: $20 | Self-service tools, live chat, Zoom user community, help guides, tutorials, virtual chatbot. | 4.0 out of 5 |
| Dialpad | Unlimited Calling, SMS & MMS, Call controls, voicemail transcription, custom off-hours routing, CRM integrations | Standard: $20 Pro: $30 Enterprise: Contact Dialpad | Online resources, webinars, articles, videos, e-books. | 4.1 out of 5 |
| Vonage | Microsoft Teams integration, Apps, CRM integration, Unlimited calls and SMS, multi-level auto attendant | Vonage Mobile: Starting at $14.99 Vonage Premium: Starting at $24.99 Vonage Advanced: Starting at $34.99 | Phone, chat, and website;Mobile and desktop apps | 3.7 out of 5 |
| Avaya | Cloud-Based Phone System, Business Integrations, Customizable Reporting, Advanced Analytics and more | Essential: As Low As $19.95 Business: As Low As $24.95 Power: As Low As $34.95 | Technical support available | 3.9 out of 5 |
| GoToConnect | Call analytics, call monitoring, Real-time metrics, auto attendants, Ring groups, call queues, video conferencing, CRM Integrations | Basic plan: starts at $21 Standard plan: starts at $20 Premium plan: starts at $30 | 24/7 online support; online articles, videos, and user guides. | 3.8 out of 5 |
| 8×8 | Unlimited domestic calling, Video conferencing, chat, Auto-attendant, visual voicemail, Advanced call management; Skills-based routing | Express: $12 X2: $32 or $24 with annual prepayment X3: Contact 8×8 for pricing information X4: $57 or $44 with yearly billing X6: $125 or $95 with annual prepayment X7: $138 or $105 with yearly billing X8: $175 or $133 with annual prepayment | 24/7 telephone, web, and chat support to all plans except Express; Online forums and FAQs. | 3.7 out of 5 |
| PanTerra | Access Controls, Audio / Video Conferencing, Call Monitoring, Call Recording, Call Routing Reporting/Analytics, SIP Trunking,Third-Party Integrations, Unified Communications | $9.95 | Email/Help Desk, FAQs/Forum, Phone, 24/7 (Live Rep) Chat | 4.2 out of 5 |
ULTATEL
The ULTATEL VoIP Enterprise Phone System is a next-level solution that meets all your remote working communication needs. It is designed to work with any device and you will enjoy a crisp and lightning-fast connection that allows for clear conversations. You won’t even need to change your current business number; you can integrate your existing business numbers and extensions into the ULTATEL Enterprise Phone System Solution.
Features:
- Cloud PBX,
- HD voice,
- Wide range of call features,
- Advance call analytics & reporting,
- Web management portal
- CRM integrations, and more
Pricing (per user/month):
- Professional: $15.95 to $27.95
- Premium: $19.95 to $31.95
- Ultimate: $29.95 to $41.95
Support: 24/7 customer support via phone and email. 99.999% guaranteed uptime.
Reviews: 4.7 out of 5
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Nextiva
Nextiva provides businesses with a unified platform that combines business phone, video conferencing, collaboration, and customer management.
Features:
- Call analytics
- Automated voicemail transcription,
- CRM Integration,
- Unlimited virtual faxing,
- Mobile app capabilities, customer journey analytics
Pricing (/User & Up):
- Essential $24.95
- Professional $29.95
- Enterprise $39.95
- Ultimate $60.95
Support: Nextiva offers 24/7 phone, email, app, and chat customer service with every plan.
Reviews: 4.1 out of 5
RingCentral
RingCentral is an all-in-one communications platform specializing in VoIP services.
Features:
- Unlimited calls and business SMS within the U.S. & Canada
- Voicemail-to-text
- Advanced call handling
- Real-time analytics
- CRM integrations, device status reports
Pricing (/User & Up):
- Essentials $29.99
- Standard $32.99
- Premium $42.99
- Ultimate $52.99
Support: RingCentral provides 24/7 customer support for Standard, Premium, and Ultimate plan but not for Essentials plan.
Reviews: 4.0 out of 5
Zoom
Zoom is a popular video-conferencing application that combines business phone service with video calling features.
Features:
- Unlimited auto attendants,
- Call recording, voicemail transcription.
- Zoom users can elevate any Zoom Phone call to a video meeting
- Integration with other applications and unlimited international calling
Pricing (per user per month):
- US and Canada Metered: $10 plus per-minute rates for outgoing calls
- US and Canada Unlimited: $15
- Pro Global Select: $20
Support: Zoom Phone provides self-service tools, live chat, a web ticketing system, Zoom user community, help guides, tutorials, and a virtual chatbot.
Reviews: 4.0 out of 5
Dialpad
Dialpad is a cloud-hosted business communications platform powered by artificial intelligence (AI).
Features:
- Unlimited Calling, SMS & MMS,
- Call controls, voicemail transcription, custom off-hours routing,
- Local number support in 50+ countries,
- CRM integrations
Pricing (/User & Up):
- Standard: $20
- Pro: $30
- Enterprise: Contact Dialpad
Support: Varies by the service plan. Dialpad also has an online resource library of webinars, articles, videos, e-books, and research.
Reviews: 4.1 out of 5
Vonage
Vonage is an all-in-one system that provides voice, text messaging, video conferencing, team collaboration, and more, fully integrated into a single interface.
Features:
- Extensive Microsoft Teams integration,
- Reliable uptime of 99.999%,
- Mobile and desktop apps,
- CRM integration,
- Unlimited calls and SMS, multi-level auto attendant
Pricing (per user per month):
- Vonage Mobile: Starting at $14.99
- Vonage Premium: Starting at $24.99
- Vonage Advanced: Starting at $34.99
Support: Vonage customer support is available via phone, chat, and website hub. Mobile and desktop apps for remote workers.
Reviews: 3.7 out of 5
Avaya
Avaya is a unified communications solution that has everything you need in a single, flexible platform.
Features:
- Cloud-Based Phone System,
- Business Integrations,
- Customizable Reporting,
- Advanced Analytics and more
Pricing (/user/month):
- Essential As Low As $19.95
- Business As Low As $24.95
- Power As Low As $34.95
Support: Technical support is available through the appropriate regional phone number
Reviews: 3.9 out of 5
GoToConnect
GoToConnect is an all-in-one, cloud-based platform that provides unified communication solutions to companies of all sizes.
Features:
- Call analytics, call monitoring,
- Real-time metrics, auto attendants,
- Ring groups, call queues, video conferencing,
- CRM Integrations
Pricing (per month per user):
- Basic plan: starts at $21
- Standard plan: starts at $20 (14-day free trial is available)
- Premium plan: starts at $30 (live demo available on request)
Support: Customer service is available 24/7. Online support center with articles, videos, and user guides.
Reviews: 3.8 out of 5
8×8
8×8 is a business phone system that combines video conferencing, messaging capabilities, and audio phone calls.
Features:
- Unlimited domestic calling,
- Video conferencing, chat,
- Auto-attendant, visual voicemail,
- Advanced call management, meeting recording & transcription,
- Skills-based routing
Pricing (per user per month):
- Express: $12
- X2: $32 or $24 with annual prepayment
- X3: Contact 8×8 for pricing information
- X4: $57 or $44 with yearly billing
- X6: $125 or $95 with annual prepayment
- X7: $138 or $105 with yearly billing
- X8: $175 or $133 with annual prepayment
Support: 8×8 offers 24/7 telephone, web, and chat support to users of any plan except for Express. There are also online forums and FAQ sections on the 8×8 website.
Reviews: 3.7 out of 5
PanTerra
PanTerra Streams offers end-to-end UCaaS and collaboration tools for companies.
Features:
- Access Controls/Permissions, Audio / Video Conferencing,
- Call Monitoring, Call Recording, Call Routing
- Reporting/Analytics, SIP Trunking, Surveys & Feedback,
- Third-Party Integrations Unified Communications
Pricing : $9.95 per user, per month. They do not have a free version but offer a free trial.
Support: Email/Help Desk, FAQs/Forum, Knowledge Base, Phone, 24/7 (Live Rep) Chat.
Reviews: 4.2 out of 5
Bottom Line
Choosing an enterprise phone system isn’t an easy task. It is best to choose a solution that fits the requirements of your company and this guide is a starting point to guide organizations in making the right decision. An ideal enterprise VoIP solution improves communication, team collaboration, productivity, and ultimately increases profits.
