

Mitel is the most popular free alternative to Slingshot VoIP.
- Mitel is Free and Proprietary
Slingshot VoIP is described as 'Cloud communications service provider that offers Business VoIP and Virtual PBX solutions to small and medium sized organizations' and is an app in the office & productivity category. There are more than 25 alternatives to Slingshot VoIP for a variety of platforms, including Web-based, iPhone, Android, Windows and Mac apps. The best Slingshot VoIP alternative is MightyCall. It's not free, so if you're looking for a free alternative, you could try Mitel or YouMail. Other great apps like Slingshot VoIP are RingCentral, Line2, JustCall and Telzio.


Mitel is the most popular free alternative to Slingshot VoIP.
Truly Wireless is helping thousands of businesses leverage the power of cellular by turning smartphones into superphones. Truly is the best mobile business phone system for helping teams track, manage and share customer conversations using smartphones.
Whether you're a business of one, or a thousand-employee enterprise, VirtualPBX offers a PBX system for businesses of any shape or size!.


Phonebooth is a web-based phone system that routes your calls to any landline or mobile phone number you choose. Users receive a free local phone number to give out to customers and clients. Calls made to your Phonebooth number are automatically routed to your private number and...
Call Me Private masks your phone number behind a virtual number, for privacy, or for a professional look for your business.




YouMail turns visual voicemail into a personal assistant for handling all your missed calls. And it's FREE! Join millions of other happy users.



FreeJe is a VoIP app that provides you a fully featured phone line and virtual number as virtual SIM, which allows you to keep your business aside from your personal communication.






Anello Voice offers telecom services. With Anello Voice, you won't be tethered to a traditional landline phone. Wherever you go, your phone number follows.



Zaplee is a global cloud-based PBX phone system. Our system works with Skype, Google Voice, SIP, VOIP, landline and mobile phones. We can provide phone numbers in over 60 countries and thousands of cities.



Tackle – Phone System For Your Business. The essence of Tackle is a simple phone system that routes a 1-800 number to your phone(s) – that's it.



