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Best Sideline Alternatives and Competitors



sideline alternatives

Considering a switch from Sideline?

While Sideline is a solid cloud phone system, it may only partially fulfill your business needs, whether due to limited features, flexibility, pricing, or any other reasons.

Whatever your reason is – we have got you covered. We’ve compiled a list of the best Sideline alternatives for you. 

These replacements aim to bridge the gap left by Sideline, offering solutions that may better align with your business requirements. 

🔑 Key Highlights

  • We present you with a list of the 10 best Sideline alternatives and competitors with the utmost customer reviews, features, and affordability.
  • KrispCall as one of the best alternatives in terms of affordability, features, call quality, and 24/7 human support.
  • Nextiva is feature-rich, can smoothly handle businesses of all sizes, has a user-friendly UI, and offers good customer service.

Get ready to explore something better! 👇

What is Sideline?

Sideline is a Cloud-based virtual phone number provider. It offers a variety of IP phones and telephone adapters (ATAs) that let you place and receive VoIP calls using your internet connection.

sideline 2nd phone number

Sideline solution is cloud-based, so there’s no hardware to set up. You can take and receive calls from your mobile device, PC, or an IP desk phone.

It offers Voice service that works on any device. Packages to meet your specific needs. 24×7 US-based, bilingual, expert support. Free software upgrades and new features.

Why are people looking for Sideline alternatives?

Although Sideline is well-known as a virtual cloud phone system that serves more than 60 countries, people are looking for an alternative because of a few restrictions and issues.

Some of the restrictions and drawbacks that have led people to search for a Sideline Alternative include:

  • Lacks Customization Options: Businesses looking for highly customized solutions, such as bespoke call flows, cannot find the customizable option in the Sideline phone system. 
  • Integration Limitation: Although it integrates with well-known tools, it does not integrate with common or basic business tools that are necessary to complete the task.
  • Pricing and Add-ons: The basic plan is reasonably priced, but if you require further features and functionalities, they are available as add-ons that could raise the price.
  • Lacks Advanced capabilities: Sideline is lacking some of the more sophisticated capabilities offered by its rivals, such as video conferencing, sentiment analysis, and real-time transcriptions.
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10 Best Sideline Alternatives & Competitors in 2024

There are many alternatives and competitors of Sideline. However, not all are suitable for users looking for a better option. 

So, we have listed out 10 Sideline alternatives and competitors in 2024 based on the following factors: 

  • Modern features
  • Budget-friendliness
  • Worldwide coverage
  • Testimonials and Reviews
  • Business-centric Solutions
  • Deployment Platforms
  • And Many More..
ProductPricingFeaturesBest for
KrispCallStarts at $15/monthUnified Callbox, Shared Number, In-app Call analytics, VoIP/WiFi calling, Call Forwarding, Smart IVR, DNS mode for AgentsAll types of business size
Vonage$13.99 per month/per userVoicemail to email, Automated Attendants, Browser Extension, Conference Calls, Screen SharingAll Size Businesses
Constant Contact$15 per month/per userData Import and Export Tools, Integration APIs, Managing Email Lists, Sending Outbound Emails, High-Volume Email Sending, Automated Email ResponsesSmall Sized Businesses
Nextiva$18.95 per month/per userVideo Calls, Automated Attendants, Instant Messaging, Conference Calls, Call Routing, Mobile Access, Screen SharingAll size businesses
RingCentral MVP$20.00 per user per monthVideo Meetings & Webinar, Collaboration, Meeting Insights, Ring Out, Team Messaging, Automatic Call RecordingSmall to medium-sized businesses
Line2 $159 per monthBasic Reporting, Building and Personalizing Emails, Automated Alerts and Tasks, Conference Calls, Mobile Optimized, Lead NurturingSmall to medium-sized Businesses
Podium$249 per monthDashboard and Corporate Reporting, Sentiment Analysis, Instant Messaging, Lead Development, High-Volume Sending, Conversation ArchivingSmall to medium-sized businesses
Cloud Talk$25 per user per monthUnlimited Calling, Call Analysis, Caller ID, Speech To Text, Custom Greetings, Session Routing, Concurrent CallingSmall to medium-sized businesses
3CX$299 per monthCustom Reports and Dashboard, Digital Media Monitoring, Conference Calls, Competitive Intelligence, Real-Time Updates and AnalyticsSmall to large-sized businesses
SkypeFreemiumAutomated Email Responses, Data Quality Management, Intelligent Call Routing, Program Management, Web Analytics and Basic ReportingSmall to large-sized businesses

1. KrispCall: Best Cloud Phone System Features + 24/7 Human Support

KrispCall is one of the best Sideline alternatives with its robust features at affordable pricing. With coverage in more than 100 countries, it has earned the trust of 4500+ global companies. Perfect for businesses of all sizes, KrispCall manages both inbound and outbound calls effortlessly.

KrispCall is renowned for its 99.999% uptime reliability and excellent 24/7 human customer support.

KrispCall one of the best sideline alternative

KrispCall offers a unified call box for efficient communication management. This unique feature allows you to manage your personal, business, and corporate telephony needs from one user-friendly dashboard. 

KrispCall integrates with powerful tools like HubSpot CRM, Pipedrive, and Zapier to better call handling, better account management, and ultimately enhance customer communication. 

  KrispCall’s Features

💰 KrispCall’s Pricing

Enterprise  Custom

   ❌ KrispCall’s Limitations

  • Limited Integrations.
  • Incompatible with Windows and Linux systems.

What our Customers are Saying

“Good choice if you travel a lot. Could connect with my team easily from mobile phone. Also some features are great for if you share clients and contacts. You get to see what’s happening with your clients in the app and work together with your team to get clients onboard.” Amanda Wong, Independent Consultant

“Using KrispCall’s Australian virtual numbers has been extremely helpful for my business growth. With a need for multiple phone numbers to connect with our clients, I’ve explored various platforms, and KrispCall is the most user-friendly and cost-effective option for me. I am very happy with the service KrispCall offers. It has allowed me to expand my business while alleviating any concerns about minor technical issues.” – Alex Bell Founder & CEO, PRISMIC

2. Vonage Business Communication

Vonage Business communication provides a unified communication platform with which you can work more productively by connecting phone, message, and video calls from anywhere in the world. 

vonage as a sildeline alternative

With over 40 robust features, you have the ideal mix of control and flexibility, providing everything your company needs to operate more efficiently. You can collaborate nearly anywhere and control your messages from any device with the Vonage Mobile app. Vonage’s 99.999% uptime reliability guarantees the highest level of efficiency.  

🔍 Vonage Features

  • Voicemail to email
  • Automated Attendants
  • Browser Extension
  • Conference Calls
  • Screen Sharing

💲 Vonage Pricing

Basic $13.99 per month/ per user
Premium $20.99 per month/per user
Advanced $27.99 per month/per user

Vonage Limitations

  • Call Issues 
  • Limited Features
  • Number Issues
  • Slow Customer Service

3. Constant Contact

Constant Contact provides all the features, tools, and professional advice you need to launch and build your online business, whether your goals are to reach a wider audience, make more sales, or just share your passion with the globe.

constant contact as a sildeline alternative

🔍 Constant ContactFeatures

  • Data Import and Export Tools
  • Integration APIs
  • Manage Email Lists
  • Sending Outbound Emails
  • High-Volume Email Sending
  • Automated Email Responses

💲 Constant ContactPricing

Basic $12 per month/ per user
Standard$35 per month/per user
Premium$80 per month/per user

❎ Constant Contact Limitations

  • Call Issues 
  • Limited Features
  • Number Issues
  • Slow Customer Service

4. Nextiva 

Nextiva is a cloud communications company that assists companies in fostering closer relationships with their clients. Using a combination of phone, video, chat, SMS, collaboration, and survey channels, Nextiva helps companies of all sizes get the information they require at the right moment to deliver exceptional customer experiences and boost revenue.

nextiva as a sildeline alternative

Businesses can add applications such as sales and productivity tools at any time, and Nextiva lets them scale up or down as needed 

🔍 Nextiva Features

  • Video Calls
  • Automated Attendants
  • Instant Messaging
  • Conference Calls
  • Call Routing
  • Mobile Access
  • Screen Sharing

💲 Nextiva Pricing

Basic $18.95 per month/ per user
Premium $22.95 per month/per user
Enterprise$32.95 per month/per user

❎ Nextiva Limitations

  • Call Issues 
  • Limited Features
  • Number Issues
  • Limited customizability
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5. RingCentral MVP

Unlimited calls, global reach, industry-leading technology—RingCentral has it all. With over 400,000 businesses already thriving with their communication platform. It has been renowned as the 2023 Gartner Magic Quadrant for UCaaS globally.

ringcentral as a sildeline alternative

RingCentral MVP transforms your every call into a crystal-clear conversation with modern noise-busting technology. It also provides features like visual voicemail, exceptional video conferencing, and real-time metrics which makes smooth, seamless communication.

🔍 RingCentral Features

  • Video Meetings & Webinar
  • Collaboration
  • Meeting Insights
  • Ring Out
  • Team Messaging
  • Automatic Call Recording

💲 RingCentral Pricing

Essential$20.00 per user per month
Standard$25.00 per user per month
Premium$35.00 per user per month
Ultimate$33.99 per user per month

❎ Ring Central Limitations

  • Slow UI
  • Not User Friendly
  • Connection Issues
  • Bad Customer Service

6. Line2 

With the help of the business phone and communications package Line2, you can have a second phone number on your computer or mobile device. 

line2 as a sildeline alternative

Easily transition between personal and professional communications from any device at any time.

🔍 Line2 Features

  • Basic Reporting
  • Building and Personalizing Emails 
  • Automated Alerts and Tasks
  • Conference Calls
  • Mobile Optimized
  • Lead Nurturing 

💲 Line2 Pricing

Basic $159 per month
Premium $229 per month
Ultimate 279 per month

❎ Line2 Limitations

  • Takes Time
  • Slow
  • Not Very User-Friendly 
  • Tuff Learning Curve

7. Podium

Podium empowers local businesses to do more business in less time with the simplicity of text messaging.

podium as a sildeline alternative

The podium platform allows you to get more reviews, gather more leads, get paid via text, send text marketing campaigns, centralize communications, and more.

🔍 Podium Features

  • Dashboard and Corporate Reporting
  • Sentiment Analysis
  • Instant Messaging
  • Lead Development
  • High-Volume Sending
  • Conversation Archiving

💲 Podium Pricing

Basic $249 per month
Standard$409 per month
Professional$599 per month

Podium Limitations

  • Connectivity issues
  • Audio issues
  • Limited video meetings
  • Fewer supported Integrations
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8. CloudTalk

CloudTalk is one of the feature-rich VoIP phone systems that provides 70+ features and seamless CRM/helpdesk integrations to empower your sales and customer service teams to soar. Craft the perfect calling experience, boost efficiency, and delight your customers, all from the cloud.

cloudtalk as a sildeline alternative

CloudTalk empowers your team to conquer even the most intense call volumes, saving you valuable minutes and boosting conversions. It automates tasks and workflow, gets actionable insights, and watches your customer satisfaction rise.

🔍 CloudTalk Features

  • Unlimited Calling
  • Call Analysis
  • Caller ID
  • Speech To Text
  • Custom Greetings
  • Session Routing 
  • Concurrent Calling

💲 CloudTalk Pricing

Starter$25 per user per month
Essential$30 per user per month
Expert$50 per user per month
CustomContact Sales Team

❎ CloudTalk Limitation

  • Missing features like Webinars, Mobile Apps, and integration with other tools
  • Lacks Carrier limitations
  • Limited Bandwidth 
  • Users have reported that they knew purchase top package to get customer service

9. 3CX

The business communications system 3CX takes the place of conventional PBXs. providing a single, comprehensive solution for texting, live chat, video conferencing, and telephony. Since it is open standard, you can use it with any provider of SIP trunks or IP phones. designed with mobility and remote working in mind, thanks to its web, iOS, and Android apps.

3CX as a sildeline alternative

Business collaboration and connectivity are innovated by this award-winning program. allowing businesses of all sizes to reduce telecom expenses, increase worker productivity, and improve customer satisfaction.

🔍 3CX Features

  • Voicemail Transcription
  • 3CX Meet Link
  • Call Reports
  • Live Chat

💲 3CX Pricing

3CX$0 forever up to 10 users
3CX SMB$175 billed annually
3CX PRO$145 billed annually
3CX ENT$180 billed annually

3CX Limitations

  • Limited in Native Integrations
  • Higher Pricing Tiers
  • Windows Soft Client Interface does not meet users’ expectation

10. Skype

Conversations around the globe are made possible with Skype software. Skype is used by millions of people and organizations for free audio and video conversations, instant messaging, file sharing, and one-on-one and group chats. 

skype as a sildeline alternative

Skype can be used on any device that suits you best, including a computer, tablet, or smartphone.

🔍 Skype Features

  • Screen Sharing
  • Recording
  • Mobile, Browser, and Desktop Application

💲 Skype Pricing

Basic Free
Pro$2.54 per/month

Skype Limitations

  • Slow 
  • Customer Service
  • Expensive 
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Even if Sideline is among the top VoIP phone systems, there are even better alternatives available that would make excellent replacements. You can choose a better option based on features, pricing, trials, demos, customer services & support, and demos.. 

We suggest that you go with KrispCall since it’s one of the better options available instead of Sideline. One of the greatest VoIP phone systems is KrispCall, which has enterprise-level features, great customer reviews, affordable price plans (beginning at $12/user/month if paid annually), good call quality, and 24/7 customer support.

KrispCall meets all of your business needs, regardless of its size, whether it’s a small business with 10 – 50 employees with a tight budget or a major enterprise in search of the latest cutting-edge features. Schedule a free demo now. And find out if it meets your business requirements.

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Author Image

Dinesh Silwal

Dinesh Silwal is the Co-Founder and Co-CEO of KrispCall. For the past few years, he has been advancing and innovating in the cloud telephony industry, using AI to enhance and improve telephony solutions, and driving KrispCall to the forefront of the field.

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