Sideline
Sideline™ is the free 2nd number for your smartphone. It uses your existing carrier network so your 2nd number works anywhere your cell phone does.
23 Alternatives To Sideline
8x8 Virtual Office
Use your iPhone, iPad or iPod touch to make and receive calls using your 8x8 Virtual Office phone…
Bitrix24
Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Convoso
Convoso’s Cloud Contact Center helps SMBs increase sales, marketing and customer service success.
CrazyCall
CrazyCall is cloud based platform for sales and marketing teams doing cold calling, market research, information or loyalty campaigns.
FluentStream
FluentStream Technologies is an advanced telecommunications company with a core focus on cloud-based applications.
Freshcaller
The call center software for startups and small teams. No need to invest in phone hardware for your call center. Product of Freshworks Inc.
Google Voice
Google Voice gives you one number for all your phones, voicemail organized in an email format, free…
Grasshopper
Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.
InfoFlo
The most affordable CRM software on the market at a one-time cost with free upgrades for life.
Nextiva
Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.
PhoneBurner
PhoneBurner is a cloud-based power dialer to boost sales productivity
Ring4
Get a smart phone number in 8 countries. Manage business phone line as easily as you manage emails, in the cloud.
RingCentral
RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
TextNow
TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
VirtualPBX
VirtualPBX provides hosted VoIP PBX phone services that give small and medium growing businesses a professional, fully automated call answering and routing solution
VoIPstudio
VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.